The following scans of audio equipment manuals, brochures, catalogs, reports and other documents are presented for reference use. Please note, some information may be out of date.

(We welcome the addition of additional documents to this page. If you have manuals, catalogs or other pertinent publications to add to this site, please send them as a PDF to recplan@loc.gov.)

• 3M brand professional audio recorder*
• 3M Brand Prof. Audio Recorder Scheduled Maint
• 3M Bulletins (misc.)
• 3M Operating Level Cross Reference Charts
• 3M Professional Audio Recorder Series 410
• 3M Series 79 Recorder
• 3M Service Bulletins (Misc.-1970s)
• 3M Technical Bulletin
• Accurate Sound AS 200-A High Speed Tape Duplicating System manual
• Accurate Sound AS200 TE manual
• Acoustic Engineer SCM50ASL-SCM100ASL-SCM150ASL-SCM50SL-SCM100SL-SCM150SL
• ADA-106 Audio Distribution Aplifier
• AKG B-1E, N-62E, N-62ET, N-66E
• AKG BX 20E Reverberation Unit (2)
• AKG BX-25E and BX-25ED Two-Channel Reverberation Unit
• AKG C-414EB-P48 Pressure Gradient Condenser Microphone
• AKG C-450 System Modular Condenser Microphones
• AKG C-460B Pressure Gradient Condenser Microphone System
• AKG C-535 EB Cardioid Pre-Polarized Condenser Microphone
• AKG C-535 EB Condenser Vocalist Microphone
• AKG C-567E Electret-Condenser Lavalier Microphone
• AKG Cardioid Dynamic Microphone D-24E
• AKG Cardioid Dynamic Microphone D-503
• AKG CK 22 Omnidirectional Condenser Capsule (2)
• AKG CK 22 Omnidirectional Condenser Capsule
• AKG Condenser Microphone C-451E
• AKG D-12E Cardioid Dynamic Microphone (2)
• AKG D-12E Cardioid Dynamic Microphone
• AKG D-19E-200 Cardioid Dynamic Microphone
• AKG D-58E Noise-Cancelling Dynamic Microphone
• AKG D-109 Lavalier Dynamic Microphone (2)
• AKG D-109 Lavalier Dynamic Microphone
• AKG D-109 Lavelier Dynamic Microphone
• AKG D-110 Dynamic Microphone
• AKG D-125E Cardioid Dynamic Microphone
• AKG D-130E Omnidirectional Dynamic Microphone
• AKG D-150 Onmi-Directional Dynamic Microphone
• AKG D-160E1 Omnidirectional Dynamic Microphone
• AKG D-190E and D-190TS Cardioid Dynamic Microphone
• AKG D-190E and D190ES Cardioid Dynamic Microphones
• AKG D-200E1 Two-Way Cardioid Dynamic Microphone
• AKG D-200E Two-Way Cardioid Dynamic Microphone
• AKG D-202E Two-Way Cardioid Dynamic Microphone
• AKG D-222EB Two-Way Cardioid Dynamic Microphone
• AKG D-224E Two-Way Cardioid Dynamic Microphone
• AKG D-310 and D-310S Cardioid Dynamic Microphones
• AKG D-320B Hypercardioid Dynamic Microphone
• AKG D-330BT Hypercardioid Dynamic Microphone
• AKG D-507 Noise Cancelling Dynamic Microphone
• AKG D-510B Omnidirectional Dynamic Flexible-Gooseneck Microphone
• AKG D-707E and D-707TS Cardioid Dynamic Microphones
• AKG D-900E Shotgun Dynamic Microphone and System
• AKG D-1000E and D-1000TS Cardioid Dynamic Microphones
• AKG M-S Stereo Recording Techniques
• Alesis Masterlink ML-9600 resolution master disk recorder External
• Alesis studio 32 External
• AKG Professional Condenser and Dynamic Microphones and Headphones
• Allen and Heath (Misc.)
• Allen and Heath GL3 / GR1 External
• Allison Model 658 - Model 659 - Model 660 Manual
• Allison Model 659 Amplifier Module
• Allison Model 660 Preamplifier Module
• Ampex ATR-100 Series (Vol. 1)
• Ampex ATR-100 Series (Vol. 2)
• Ampex 404 Motor operations External
• Ampex 620 amplifier loudspeaker External
• Ampex AG-440C prof. audio recorder/reproducer External
• AMPEX ATR-700 External
• Ampex Field Bulletin (April 1984)
• Ampex Model 30 Watt AMP (1959)
• Aphex (-10/+4 audio interface model 124A) External
• Aphex Dominator II Precision Multibrand Peak Limiter (preliminary)
• Aphex II Circuit Diagrams and Layouts
• Aphex Model 120A distribution amplifier External
• Apogee PSX-100 24-bit 2 channel 44.1-96kHz High Density A/D-D/A Conversion System External
• ATI BU400, BU400B, UB400B, UB400B and BI400
• ATI EM1000
• ATI Match-Maker Disc-Patcher
• ATI Micro Amp Series distribution DA1008 (single 1 by 8) / Amplifiers DA2016 (dual 1 by 8) External
• ATI Micro Amp Series Micro DA DA-1000 single 1 by 8 / DA2008 dual 1 by 4 (1989) External
• ATI Vanguard Series BC12DSL
• ATI Vanguard Series Broadcast Consoles
• ATI VU1000 Micro Amp Series
• Audio Accessories Audio-Line
• Audio Precision ATS audio test and measurement system (ATS-2) External
• Audio Precision Portable One
• Audio Precision Serial Interface Manual (Oct. 6, 1988)
• Audio Precision System One + DSP System One Dual Domain
• Audio Precision System Two Cascade Plus
• Audio Technologies inc.  multiple amplifier arrays  (MLA400, MMA400, MLA800, MMA800) External
• AWA Wow and Flutter Meter A248
• B&K Capacity analyzer Model 801 External
• B&K Model 970 Radio Analyst manual
• Ballantine Model 300G sensitive electronic voltmeter External
• Ballantine 305A Peak Responding Electronic Voltmeter
• Ballantine Model 6125A Oscilloscope Calibrator
• Ballantine Widebrand True RMS Voltmeters Series 323
• Ballatine A-T Voltmeter Model 390
• Ballatine Micropotentiometer Model 440
• BGW 150 prof. power amplifier External
• BGW 201/202 External
• BGW 250D and 250E External
• BGW 320B commercial power amplifier External
• BGW 620B commercial power amplifier External
• BGW Model 85 Broadcast Power Amplifier
• BGW Model 100B Test Report
• BGW Model 150 Prof. Power Amplifier
• BGW Model 250C Stereo Power Amplifier
• BGW Model 250 Stereo Power Amplifier
• BGW Model 750B test report
• BGW Model 8000 Toroid Proline II Owner's Manual
• BGW systems Model 6500 External
• Blaupunkt Model Bremen
• Blaupunkt Models Frankfurt 12V, Frankfurt 6V
• Bose Panaray MZ12-MA12EX Modular Line Array Loudspeaker
• Boulder 160 Power Amplifier
• Bryston .5B Preamplifier
• Bryston volume 5 (preamplifiers BP-20 and BP-25) External
• BurnIT CDR 830 compact disc recorder External
• Capstan Model LJ-12 External
• Cedar Azimuth corrector AZ-1 (series 2) External
• Cedar CR-1 De-Cracker Series 2 (1995)
• Cedar DC-1 De-Clicker (1993)
• Cedar DC-1 De-Clicker (Series 2) (1996)
• Cedar DH-1 De-Hisster (Series 2)
• Cedar DNS 1000 External
• Classe SSP-600 Surround Processor External
• Clear-Com IF4-4 Four-Wire Interface
• Clear-Com Intercom Systems (manual)
• Clear-Com Intercom Systems (misc.)
• Clear-Com KB-111A Speaker Station
• Clear-Com KB-111A speaker station External
• Clear-Com PM-220 2 Channel Remote Station
• Clear-Com PS 451 2 Channel Power Supply
• Clear-Com Portable Intercom Systems
• Clear-Com RS-100 Belt pack station External
• Clear-Com RS-100A Belt-Pack Station
• ClearCom KB-111-111P Speaker Station
• Clover Systems QA-101 Compact Disc Analyzer 4.0
• Conductart Installation and Operating Instructions for OWL 1
• Cousino Universal Audio Vendor
• Crown D series (D-45 and D-75a) External
• Crown K series (K1 and K2) External
• Crown PZM-31S Pressure Zone microphone External
• Crown PZM-6LP External
• Crown PZM-30GP External
• D&R Ltd. Model FL-3D Flutter and Wow Meter
• Denon DN-060 Multi-Channel Real Time ADPCM Encoder-Decoder
• Denon DVD-5910 Super audio CD player External
• Denon stereo cassette tape deck DN-770R External
• Dolby labs model 361 External
• Dorrough loudness monitor Model 40-A External
• Ekotape / Photofact Models:  101-8 External
• Ekotape / Photofact Models:  101-9 External
• Ekotape / Photofact Models:  102-9 External
• Ekotape / Photofact Models:  103-8 External
• Electro Sound duplicating system series 4000 External
• Electro-Voice Model DH1506 High Perf. Driver External
• Electro-Voice Model HR120 High Frequency Horn
• Electro-Voice Sentry 100 Professional Monitor System External
• Electro-Voice TL806A/TL8060D low-frequency speaker system External
• EMT Professional Turntables EMT 927/ EMT 930 External
• ESE LX-5112 Analog Time Code Slave External
• ESE (misc.)
• Extron Electronics System 10 Plus Switcher / System 8 Plus Switcher External
• Focal Solo6 Be External
• Fonda Cellophane Tape Recorder
• Fostex personal monitor Model 6301b/BX/BE External
• Garner Eliminator CDS-4000FS Series
• Gates Radio Co.--M-5576-B Program Amplifier
• Georg Neuman GmbH TML 170 R
• Georg Neumann KMR 82i Catalog 100a
• Georg Neumann Kondensator Mikrophon U67 (diagram)
• H.H. Scott Model 99
• Hafler Pro 1200 professional power amplifier External
• Health Zenith Model ST-5235 Yoke-Flyback Tester
• Heath Zenith Kit Builder's Guide Circuit Boards
• Heath Zenith Tri-Power Supply Model SP-2718
• Heathkit 40 KV Probe Meter Model IM-5210
• Heathkit Manual Model IT-3120 FET-Transister Tester
• Heathkit for Fet-Transistor Tester IT-3120
• Hickok Wide Band Service Oscilloscope Model 677
• HP 200CD wide ranger oscillator External
• HP 34111A high voltage divider probe External
• HP 34112A Touch Hold Probe Operating Note
• HP 5315A/B 100 mhz universal counter External
• HP digital multimeter 3466A External
• HP distortion analyster 331a/332A External
• HP model 200C audio oscillator (all serial numbers) External
• HP Mode 6433B DC Power Supply
• HP Model 400A Vacuum Tube Voltmeter
• HP Model 654A Test Oscillator
• HP Probes 10001A-B; 10002A-B, 10003A
• IAC (misc.)
• Ibanez Rock & Play RP20D
• Inovonics Model 375 Instruction Manual
• JBL 4301E
• JBL 4412 studio monitor External
• JBL 5234A installation and service manual External
• JBL LSR4328P and LSR4326P
• JBL LSR4328P / LSR4326P External
• JBL model 4301 broadcast monitor External
• JBL Model 4311B Control Monitor External
• JBL Model 4315 Studio Monitor External
• JBL model 4331B two-way and Model 4333B three-way studio monitors External
• JBL model 4350 studio monitor External
• JBL prof. series (Model 4230 studio monitor) External
• JBL Prof. Series Model 4310 Control Room Monitor
• JBL prof. Series (Model 4350B studio monitor) External
• JBL Prof. Series Models 4430 and 4435 Bi-radial studio monitors External
• JVC Super Digifine Hi-Fi Components
• Keith Monks Record Cleaning Machine (1)
• Keith Monks Record Cleaning Machine (2)
• Keith Monks Record Cleaning Machine (Archivist - Mark 5)
• Kepco Motorized Programmers--New for '67
• Kepco PBX-MAT Modular Power Supplies (1967)
• Kepco PBX-Mat (1967)
• Kepco Power Supply News Vol. 9 No. 146-1147 (1966)
• Kepco Power Supply News Vol. 11 No. 146-1167 (1967)
• Kinetic Systems 2212 vibraplane model External
• Kinetic Systems Vibraplane Model 2212
• Korfund Installation and Adjustment Instructions LK, LM, LM, SK and SKY
• Korfund Vibro-Isolator (Series L)
• Korsfund (diagram)
• Labelle PLA-Matic 83 and 83B
• Lares Lexicon Acoustic Reverberance Enhancement System
• Lexicon 300 Digital effects system External
• Lexicon LFI-10 Digital Audio Format Interface
• Lucid GENx192 ultra low jitter studio master clock External
• Mackie 1402-VLZ  Mic/line External
• Mackie 1402-VLz3 14 channel mic/line mixer External
• Mackie 1604-VLZ pro / 16 channel mic/line mixer External
• Mackie 24-4SR External
• Mackie CRI 1604 VLZ External
• Mackie LM-3204 External
• Marantz Model CDR600 Compact Disc Recorder
• Marantz Model PMD420/PMD430 Stereo cassette recorder External
• Maselec MDA-1 Output Distribution Amplifier
• MASELEC MTC-2  (mastering control and monitor system) External
• Modular Audio AT-27 and AP-27 Tape-Phono Amplifiers
• Nagra 4.2
• Nagra D (manual)
• Nagra III Instructions Manual
• Nagra Two-Track One-Fourth Tape Recorder (Feb. 1, 1973)
• Nagra-D 4 Channel Self-Contained Prof. Digital Audio Recorder
• Nagra-D Operating Manual
• Nagra-D Operation Manual (Version 2.0)
• Nagra-D Software Version 1.10 (diagram)
• Nakamichi MR-1 discrete head prof. cassette deck External
• Nakamichi MR-2 2 head professional cassette deck External
• Neumann Series 180 miniature microphones External
• Neumann TLM 170R large diaphragm microphone External
• Neve (Misc.)
• Neve Technical Manual 5315-12-P Standard Broadcast Console
• Nortronics Duracore Long Life Replacement Heads
• Nortronics Track Configuations
• Ohmite Manufacturing
• Orban 422A/424A Gated Compressor/Limiter/De-Esser External
• Orban 672 Equalizer External
• Orban 674A External
• Orban Parametic equalizer Model 622 External
• Otari MTR-10II and 12II Series Prod. Tape Recorders
• Otari MTR-15 External
• Otari MX-55 (shematics; partial)
• Otari MX-55T-M, T, N-M (manual)
• Otari MX-505MKIII-2 Prof. Recorder
• Otari MX-505MKIV-2, BIII Master Tape Recorder
• Otari MX-5050 MKIII-4 Prof. Recorder
• Otari MX-5050 Professional Recorder (manual)
• Otari ZA-55H Time Code Kit
• Packburn Transient Noise Suppressor
• Panasonic Digital Audio Tape Deck SV-3200
• Panasonic  SV-3800 E-H  /  SV-3800EB-H External
• Panasonic SV-3700 (prof. audio tape deck—digital) External
• PCM-7040 External
• Peavey automix control 8 External
• Pentron LP Magazine Repeater Model A-1
• Sony PCM-2700 External
• Sony PCM-2700A External
• PCM-7010 External
• PCM-7030 External
• Photofact Altec Lansing Model 350A External
• Photofact Ampex 620 External
• Photofact Brush model BK-455P External
• Photofact Geloso Model G255-s External
• Photofact H.H. Scot Model 209 External
• Photofact HH Scott 210F External
• Photofact McIntosh Models C-8 (revised), C-8P (Revised), D-8A External
• Prism ADA-8XR multi-channel converter External
• Prism ASELC MLA-2 compressor External
• Prism Sound ADA-8xR multi-channel A/D [and] D/A Converter External
• Prism Sound DScope Series III External
• Pultec Model C-2 Record Compensating Control Box
• Pultec Model PC-10 Record Compensating System
• Rabco SL-8 Servo-Driven Straight Line Phonograph Arm
• Rackmax professional mixer (BIAMP) External
• RCI BM-30T (broadcast media mult box) External
• RCI model 440 External
• RCI Pro adapter Model 440 External
• RCI Pro Adapter Model 440
• RM-D7300 External
• Rohde & Schwarz Audio Analyzer (documents)
• Rohde & Schwarz Audio Analyzer UPD
• Rohde & Schwarz Audio Analyzer UPL-UPL16-UPL66
• Rohde & Schwarz BASIC Interpreter
• Roland SN-550 Digital Noise Eliminator (manual)
• Sadie Disk Editor
• SAE 5000A Impulse Noise Reduction System External
• Scully 280 prof. solid state tape recorder* External
• Scully LJ-12 manual (partial)
• Scully Model 280B Series Recorder-Reproducer Manual
• Scully Model LJ-12 (vols. 1 and 2) External
• Sennheiser  MD427 External
• Sennheiser MD 429 External
• Sennheiser microphones  MD 421 External
• Sennheiser 431 External
• Sennheiser 441 External
• Sennhesier MKE42 External
• Sennheiser directional microphone External
• Sennheiser (Misc.) (2)
• Sennheiser Revue 11
• Shure FP42 External
• Shure M267 microphone mixer External
• Shure M63 Audio Master External
• Shure M67 External
• Shure M68 and M68FC microphone mixers External
• Shure Model M267 External
• Shure Model M3D stereo professional dynetic cartridge External
• Shure Model M610 feedback controller External
• Shure Model M7D stereo custom dynamic cartridge (stylus model N7D) External
• Shure Model SM57 (unidirectional dynamic microphone) External
• Shure Model SM7 Unidirection Dynamic Microphone External
• Shure Model SR101 Audio Console External
• Shure Model SR102 and SR103 speaker columns External
• Shure SR103 External
• Shure Model SR107 audio equalizer External
• Shure model SR108 extended range speaker system External
• Shure Models M67 and M67-2E External
• Shure SE30 Gated Compressor/Mixer External
• Shure SM53 and SM54 microphone External
• Shure SM61 External
• Shure Star Maker microphones SM77 External / SM78  (others) External
• Shure transistor stereo preamplifiers Model M61 series External
• Silvertone Radio (Parts List and Instruction) (Sears)
• Simon Yorke Designs Precision Analogue Disc Transcription System PAT-05
• Simon Yorke Designs Precision Analogue Disc Transcription System PAT2-01
• Simon Yorke Precision Analogue Disc Transcription System (Pat-2-06)
• Simon Yorke Prof. Archive Turntable
• Simon Yorke Prof. Archive Turntable PAT-2
• Simon Yorke Turntable Drive SM9468
• Simpson Model 260 Volt-Ohm-Milliammeter
• SL-1100
• Sonosax SX-M2 External
• SONY APR-5000 External
• Sony CDX-5000 External
• Sony CDP-5000 (CDP-X5000) External
• Sony CDR-W66 External
• Sony DABK-1630 External
• Sony DAE-1100-1100A, DMR-4000-2000, PCM-1610-1630 (manual)
• Sony DAT digital audio deck PCM-R/PCM-R700 External
• Sony Digital Audio Processor PCM -1630 External
• Sony Digital Audio Processor PCM-1610 External
• Sony Digital Master Disc Recorder PCM-9000
• Sony DMR-4000 External
• Sony DMX-S6000 digital audio mixer* External
• Sony MZS-1 External
• Sony PCM-2500 External
• Sony stereo cassette deck (TC-WE435) External
• Sound technology 1700 series (1700B) External
• Sound Technology 3000 Series
• Sound technology model 1510a External
• Soundcraft spirit folio RAC PAC External
• Soundscriber Model S-124 (manual)
• Sounds of Silences Vibraplane Model 2212
• Square D Ultra Isolator Line Noise Suppressor External
• Stanton (Misc.)
• Stanton Model 310 Prof. phono preamplifier/equalizer External
• Stanton Model 210B Stereo Turntable Preamplifier-Equalizer
• Stanton Model 310 Prof. Stereo Phono Preamplifier
• Stanton Model 481 Calibration Station
• Star Maker SM77 and SM78 microphones (Shure) External
• Star Marker SM78 (Shure) External
• Stereo Dynamic Models N21D, N3D, N7D
• Studer A-820
• Studer A80 RC MKII External
• Studer a807 MKII (Universal tape recorder) External
• Studer A810 External
• Studer A-820 Menu Tree External
• Studer ReVox A77 External
• Studer Revox PR99 MKI / MKII External
• Symetrix 304 headphone amplifier External
• Tanget AX Series
• TASCAM 122 MKII  112R MKII/ 112 MKII External
• TASCAM CD RW 2000 External
• TASCAM CD-701 professional cd player system External
• TASCAM CD-RW402 External
• TASCAM CD-RW700 External
• TASCAM DA-45 (DIGITAL audio deck) External
• TASCAM DA-88 digital multirack recorder External
• Tascam (Misc. Schematics)
• Tascam Series 70 Recorder-Reproducer
• Tascam TEAC 112B Stereo Cassette Deck
• Tascam TEAC 112 Stereo Cassette Deck
• Tascam TEAC 122-B Master Cassette Deck
• Tascam TEAC 122MKIII-112RMKII-112MKII Stereo Cassette Deck
• Tascam TEAC 122MKIII Master Cassette Deck
• Tascam TEAC 122MKII Master Cassette Deck (schematic diagrams)
• Tascam TEAC 122MKII Master Cassette Deck
• Tascam TEAC 122 Master Cassette Deck Manual (2)
• Tascam TEAC 122 Master Cassette Deck Manual
• Tascam TEAC DA-45HR Digital Audio Tape Deck (c. 2001)
• Tascam TEAC Model 80-8 8 Channel Recorder-Reproducer
• Technics by Panasonic LS-1100A Direct Drive Player System
• Technics EPA-250 External
• Technics EPA-500 External
• Technics RS-M85 mk2
• Technics RS-TR575 Stereo Cassette Deck
• Technics SH-15B2 Turntable Base
• Technics SH-50P1 (manual)
• Technics SL-1015 (manual)
• Technics SL-1015 synthesizer direct drive turntable External
• Technics SL-110 (no other info) External
• Technics SL-1400mk2 External
• Technics SL-PJ33 compact disc player External
• Technics SP-15 direct drive turntable External
• Technics SP-15 (manual)
• Technics SP-15 (parts identification)
• Technics SP-15 Installation diagram
• Technics Stereo Cassette Deck RS-TR575
• Technics tape deck RS-M95 MK2 External
• Tektronix 502A autoranging digital multimeter External
• Tektronix DC 503A (universal counter/timer) External
• Tektronix DMM4040 and 4050 Digital Multimeters
• Tektronix DMM4040 and 4050 digital multimeters External
• Tektronix FG 504 (function generator) External
• Teletronix Model LA-2A Leveling Amplifier
• Tektronics P6006 probe External
• Tektronix P6109B 100 MHz 10X Passive Probe with Readout
• Tektronix PG506 Calibration Generator
• Tektronix SC 502 Oscilloscope External
• Tektronix T921/T922/T922R  Oscilloscopes External
• Tektronix tm 506 /rtm 506  power module External
• Tektronix VM700T External
• Tektronix waveform/vector monitor 1740A 1750A External
• Tektronix WVR7000 and WVR600 Series Waveform Rasterizers External
• Tektronix VM-700A External
• TOA Dual Equalizer E-232 External
• Universal Model 527-A (527-SC) Graphic Equalizer
• UREI 1/3 Octave graphic equalizer #537 External
• UREI 565/565T Filter Set ("Little Dipper") External
• UREI Dual Peak Limiter Model 1176 External
• UREI Installation and operation instructions model 811 (studio monitor and loudspeaker system) External
• UREI Mode 927 Digital Delay Line External
• UREI Model 1122 stereo transcription reamplifier External
• UREI model 1178 dual peak limiter External
• UREI Model 535 dual graphic equalizer / Model 533 graphic equalizer External
• UREI Model 537 Graphic Equalizer External
• UREI Model 539 room equalizer External
• UREI Model 6150 Power Amplifier External
• UREI Model 927 Digital Delay Line External
• UREI Model LA 4 Compressor/Limiter LA 4 (#3196) External
• UREI peak limiter (Model 1175LN) External
• UREI stereo transcription preamplifier model 1122 External
• WBS M405 and M405d portable and rack mount extended range meters* External
• WBS M490F stereo input module External
• WBS Model M405 and M405D
• Webcore Model 181-1R
• Webster-Chicago Model 180 Electronic Memory Wire Recorder
• Webster-Chicago Model 228
• Webster Model 178
• Wireway Model No. WP
• Yamaha amplifier AVC-30/30U/AV-34 External
• Yamaha C200 Prof. 2-channel, 4-track cassette recorder/reproducer External
• Yamaha M916 External
• Yamaha MC802 / MC 1202/ MC1602 MC-Series mixing consoles External
• Yamaha MC1204 / mc1604/ mc 2404 External
• Yamaha MC802; MC1202; MC1602
• Yamaha MC1204-MC1604-MC2404
• Yamaha Sound Reinforcement Mixer PM-430 External
• Zanden Model 1000 Stereo equalizer amplifier

Scans of additional manuals not included on this list can be found via the following outside links:

• AES Historical Committee External
• Bell System Technical Journal, 1922-1983 External
• Broadcasting and Recorded Sound Collection (1896-1964) External
• RichardHess.net External
• Technical Books Online External
• ftp://ftp.orban.com/672A/672A_Manual.pdf External
• http://audiophool.com/hifistuff.html External
• http://cdn.shure.com/user_guide/upload/990/us_pro_m68_ug.pdf External
• http://ebookbrowse.com/ External
• http://pdf.textfiles.com/manuals/ELECTRONICS/ External
• http://recordinghacks.com/pdf/sennheiser/MD441_Instructionsforuse.pdf External
• http://rickaustin.com/page/8/ External
• http://tascam.com/products External
• http://wbsps.ca/PDFs/ External
• http://www.devicemanuals.com/productsupport/Sennheiser_MD+431_manual.html External
• http://www.eserviceinfo.com/ External
• http://www.ese-web.com External
• http://www.hifiengine.com/library External
• http://www.historyofrecording.com/Manuals.html External
• http://www.hparchive.com External
• http://www.jblpro.com External
• http://www.kevinchant.com/bk.html External
• http://www.lansingheritage.org/ External
• http://www.manualowl.com/ External
• http://www.manualslib.com External
• http://www.maselec.com/ External
• http://www.moshier.net/catalogues/ External
• http://www.prismsound.com/music_recording/products_subs/ada8xr/ada8xr_downloads.php External
• http://www.radiomuseum.org External
• http://www.technicalaudio.com External
• http://www.tek.com External
• http://www.usersmanualguide.com External
• http://www.vinylengine.com/library External
• http://www2.yamaha.com External
• Pro Audio Design Forum External

• AKG Data and Prices (1969)
• AKG Data and Prices (1970)
• AKG Prof. User Net Prices (Feb. 1983)
• Ampex AG-440B-AG445B Price List (1973)
• Ampex AG-500 Recorder-Reproducer price sched (1971)
• Ampex AG-600B Price List (1972)
• Ampex GS-OOS-22639 Magnetic Tape Recorders
• Ampex Prof. Magnetic Tape Recorders GS OOS 83872
• ATI Price List (undated)
• Ballantine (price list) (1972-73)
• Ballantine Price List (1973)
• Clear-Com Intercom Systems (price list-brochure) (1984)
• Dumont Receiving Tubes Price List (1968)
• Electro Sound 6400-6000-4000 Duplicating Systems
• Electro Sound Capstan Idler
• Georg Neumann GmbH fet 80 Condenser Microphones (price list) (Gotham) (1981)
• Georg Neumann price list (1985-86) (Gotham)
• Inovonics Price Schedule (June 1973)
• Kepco Price Schedule (23146-1009)
• Nagra 4.2 L Standard Sync (price list) (1973)
• Nortronics Consumer Price List (1973)
• Prism price list (Spring-Summer 2005)
• Scully 100 Series Prof. Studio Tape Recorders
• Scully Authorized Federal Supply Schedule Price List (1970-71)
• Scully Metrotech Price Schedule (1973)
• Scully Model 280 Replacement Parts Price List
• Scully Price List (1971)
• Sennheiser Price List (1971-C)
• Simpsons Stock Panel Meters (Bulletin No. 2065)
• Stancil Hoffman Price List (1972-73)
• Taber (Price List + Misc.
• Telex Model 6120 Tape Duplicating System
• Telex Price List (1989-90)
• UREI Universal Price List (1973)

• AKG Acoustic Microphones (catalog)
• AKG Acoustics (1988)
• AKG Catalog (1)
• AKG Condenser Microphones
• AKG Microphone Stands and Accessories
• AKG Microphones and Headphones (Jan. 1973)
• AKG Microphones and Headphones (Oct. 1970)
• Allison Short Form Catalog #564
• Allison Short Form Catalog #863
• Ampex Prof. Audio Products Catalog
• Ampex Video and Audio Tapes
• ATI Micro Amp Series VU1000
• Audio Magazine Presents the Prof. Audio Buyers Guide (1968)
• B&B Catalog MSC-69
• B&B Catalog No. 3-66
• B&B Catalog No. 14-67
• B&B Catalog No. 15-68
• B&K Short Form Catalog (1973)
• Ballantine Catalog (1972)
• Ballantine SF-100 (catalog)
• Ballatince Electronic Instruments (catalog)
• Ballatine Catalog (1965)
• Belden Technical Bulletin (4th Edition-TB 65)
• BGW 75 Prof. Power Amplifier
• Bose Panaray MA12 Modular Array--Tech. Foundation and Discussion (2002)
• Bradley Broadcast Catalog Supplement (Aug. 1992)
• Bryston (Vol. 5)
• Di-Tech (misc.) (2)
• Di-Tech (misc.)
• EMT General Catalog (June 1968)
• Fidelity Commercial Catalog 1973
• Fostex Full Product Line-Up 2008-09
• Genelec Monitoring Line Catalogue
• Georg Neuman catalog
• Gotham Catalog (1981-1982)
• Hickok Model 770A 5 inch Oscilloscope
• JBL Prof. Series (1)
• JBL Prof. Series (2)
• JBL Prof. Series (3)
• JBL Prof. Series (4)
• JBL Prof. Series Loudspeakers and Electronics
• JLCooper Electronics (Catalog 12)
• JVC Mobile Audio Components 1991
• Kenwood Audio Components (1990)
• Kepco Catalog (Oct. 1964)
• Kepco Catalog (Sept. 1967)
• Kepco Catalog (short) (April 1966)
• Kepco Catalog (undated)
• Kepco Catalog B-601
• Kepco Catalog B-611
• Kepco Catalog B-631
• Kepco Catalog B-648
• Kepco Catalog B-663
• Nagra News (Spring 2008)
• Neumann Condenser Microphones (Catalog 130)
• Neutrik Connectors
• Nortraonics Magnetic Tape Heads Specifications
• Orban Condensed Catalog (Revision 04)
• Powerstat Catalog P258G
• Sennheiser Bestseller 4
• Sennheiser Micro-Revue 70-71
• Sennheiser Open-Aire HD-414 Headphone
• Soundcraft Mixing Consoles Range Catalogue
• Stanton Product Catalog
• Studer (catalog)
• Symetrix (catalog)
• Taber Langevin (MCA Technology) (catalog)

• 3M Brand Prof. Tape Recording System--Meet the Pro's Pro
• AKG BX-5 (brochure)
• AKG BX-10E2 (brochure)
• AKG BX 20E Reverberation Unit
• AKG C422, C34, C33 Stereophonic Condenser Microphones
• AKG D-80 Cardioid Dynamic Microphone
• AKG D-510, D-558, D-590 Dynamic Microphones
• AKG Dynamic Headphone-Microphone Boom Combination K-59
• AKG GN-Series and ST-Series
• AKG Micro Mass Technology
• AKG Model K-340 Stereo Electrostat-Dynamic Headphone
• AKG Professional Microphones and Accessories (brochure)
• AKG Stereo Headphones (brochure)
• AKG TDU 7000 Time Delay Unit
• AKG Two-Way Microphones
• Allison 650 Random Noise Source
• Amek Technology Group--Big by Langley
• American Molded Products (Tape Magazines 235400 and 235600)
• Ampex AG-440B (brochure)
• Ampex AG-500 Solid State Recorder
• Ampex AG-600B Prof. Portable Audio Recorder
• Ampex ATR-100 (brochure)
• Ampex ATR-800 Audio Tape Recorder
• Ampex BLM-200 Duplicator System
• Ampex Search and Cue Accessory for MM-1000, MM-1100 and AG-440
• Ampex Sync Lock Accessory for AG-440 and MM-1100
• Aphex Systems Product Line
• ATC (brochure)
• ATI DA-208 Dual and DA-416 Quad Audio Dist. Amplifiers
• ATI DA-1008 and DA-2016
• ATI Distribution Amplifiers DA1008-DA2016
• ATI Encore Series P100 Precision Turntable Amplifiers
• ATI MA1000
• ATI Micro Amp Series DA-10000
• ATI Micro Amps Series (brochure)
• ATI VU1000 Micro Amp Series (manual)
• ATI Micro DA DA1000 and DA2008
• ATI P100 Precision Turntable Amplifiers
• Audiodiscs by Capitol
• Ballantine 5500A Autometronic Counter Timer (70MHz)
• Ballantine 5700A
• Ballantine 5725a
• Ballantine Portable Dual-Channel Oscilloscope Model 1066A
• Ballantine Universal Logarithmic AC Voltmeters Series 303
• Bedienungshinweise D190
• BGW 250 Series Prof. Power Amplifiers (brochure)
• Bogen (two-watt utility amplifer Model GA-2 External
• Bryston Models BP-20 and BP-25
• Clear-Com Intercom Systems (brochure)
• Clear-Com PS-10 Power Supply
• ECG audio and video
• Electro Sound 6000
• Electro Sound 6000 and 4000 High-Speed Duplicating Systems
• Electro Sound 6400 System
• Electro Sound ES-505
• Electro Sound Model 810 Power Amplifier
• Electro Sound Model 900 Mixer-Amplifier
• Electro Sound Model 950 Power Amplifier
• Electro-Voice Prof. Microphones (brochure)
• Georg Neumann GmbH fet 80 Condenser Microphones (Gotham)
• Georg Neumann GmbH fet 80 Condenser Microphones
• GKI Model WT-183 Programmed Tension Tape Winder
• Gotham 2-B Lyrec Tim-4 High Speed Precision Tape Timer
• Hickok Model 288AX
• Inovonics Tape Recording Electronics Model 355
• JBL D50SMS7 Energized Self-Powered Prof. Studio Monitor
• JBL Model 4301 Broadcast Monitor
• JBL Model 4320 Studio Monitor
• JBL Studio Monitors 4400A
• Kepco ABC All-Transistor
• Kinetic Systems Vibration Isolation Solutions
• Maxell Compact Cassette Tape Low Noise Series
• Maxell Compact Cassette Tape Ultra Dynamic Series
• Maxell Magnetic Sound Recording Tape (Reel-to-Reel)
• Maxell Open Reel Cassettes 8-track
• Nagra (The Modular Nagra) (Feb. 2, 1973)
• Nagra E (2)
• Nagra E
• Orban (misc.) (c. 1982)
• Otari Model 5050 Mark III-2 One-Fourth Two Channel Recorder (brochure)
• Otari MTR-10 Series Prof. Two and Four Channel Production-Mastering Recorders
• Otari MTR-12 Series
• Philips Microphones and Headphones (brochure)
• Prism AD-2 (brochure)
• Prism DA-2 (brochure)
• Prism D-Scope Series III
• Prism MEA-2 Equalizer (Maselec)
• Prism MMA-4 Precision Microphone Pre-Amplifier
• RCI BM-24 Broadcast Media Mult Box
• Rohde & Schwarz Audio Analyzer (brochure)
• Rohde & Schwarz Audio Analyzer UPL (brochure)
• Rohde & Schwarz brochure
• Rohde & Schwarz Press
• Rohde & Schwarz Service Center
• SAE Full Lline Brochure
• Scully (New 280-B Family)
• Scully 100 Series (Dictaphone)
• Scully 270 Series Prof. Long Play Tape Reproducer
• Scully 280 Prof. Solid State Tape Recorder
• Scully 280 Series Prof. Solid State Tape Recorder
• Scully 282-4 (brochure)
• Scully 284 Series
• Scully 288 Series (16 Channel 2 inch Prof. Tape Recorder)
• Scully LJ-10 and LJ-12 (various)
• Scully Master Index
• Scully Prof. Tape Recorders and Reproducers
• Scully Recording Instruments 280B Series
• Seco (various) (1)
• Seco (various) (2)
• Sennheiser (Misc.) (1)
• Sennheiser RCL-Reverberation Unit Model CV 571 T
• Sony Compact Disc Press Kit (1981)
• Sound Technology 3000A Programmable Audio Test System
• Soundscriber Monitor
• Stanton (brochure) (2)
• Stanton (brochure)
• Staticmaster Modern Project to Eliminate Static Electricity
• Studer A80-RC Professional Tape Recorders
• Taber Rogersound Lab RSL512
• Taber Rogersound RSL Studio Monitor
• Tascam Model 10 Mixing Console
• Tascam TEAC Studio-Proven Audio Accessories
• Tektronics ASG 100 Audio Signal Generator
• Tektronix Digital and Composite Waveform Rasterizers
• Tektronix WVR7000 and WVR600
• UREI (Teletronix) Model LA-3A Leveling Amplifier
• UREI Mod One for MOH-110 and MOH-210 Broadcast Consoles
• UREI Universal Audio Little Dipper Models 565 and 565T
• UREI Universal Audio Model 930 Test Oscillator
• UREI Univesal Audio Cooper Time Cube (Model 920-16)
• Wireway Secretary
• Yamaha (brochure)

• Analyzing Loudspeakers Locations for Sound Reinforcement Systems (Davis, Don) (AES) (1969)
• Chemical Processes in the Aging of Phonograph Records and Tapes (Spivake)
• Development of Optimum Techniques for the Long-Time Storage and Preservation of Disc and Magnetic-Tape Audio Transcriptions (Southwest Research)
• Improving Room Acoustics Through Time-Variant Synthetic Reverb (AES, 1991) (Griesinger)
• Korfund--Solving Problems of Vibration Control (1947)
• Korfund Kommentator Vol. 9 No. 1
• Magnetic Tape Recorder of Broadcast Quality (Lindsay, Harold; Stolaroff, Myron) (Audio Engineering, Oct. 1948)
• Magnetic Tape Recording for the Eighties (NASA) (1982)
• Microphones (Sank, Jon R.)
• Preservation and Storage of Sound Recordings (Lemcoe, M.M.) (1957)
• Preservation and Storage of Sound Recordings (Lemcoe, M.M.) (1958) (1)
• Preservation and Storage of Sound Recordings (Lemcoe, M.M.) (1958) (2)
• Preservation and Storage of Sound Recordings (Lemcoe, M.M.) (1958)
• Preservation and Storage of Sound Recordings (Lemcoe, M.M.; Picket, A.G.) (undated)
• Review of Work Done by Southwest Research Institute on the Storage of Audio Transcription Materials (Southwest Research) (1958)
• Rohde & Schwarz 196 (2055-II)
• Workshop on Studio Tape Recorders (AES) (1971)

• Allied Record Manufacturing Co.--Suggestions for Prof. Master Recording
• AmericanRadioHistory.com External
• ChronTrol (Quick Reference Operator's Guide--CD Models)
• ChronTrol Table Top Dry Contact 2&4 Circuit Models
• Dolby 361 Main Schematic
• Dolby Cat. 22 Schematic
• EMT Courier (July 1985)
• EMT Courier 26 (June 1976)
• ftp://ftp.studer.ch/Public/ External
• http://www.ilk.org/~ppk/Manuals/ External
• JVC Product Reference Guide 1990
• Korsfund (Jones & Lamson Optical Comparator)
• Library of American Broadcasting, University of Maryland
• The SAE 5000
• Solid State Logic (A Series)
• Studer Capstan Motors Service Info
• Tektronix Cookbook of Standard Audio Tests
• Tektronix Press Release (Dec. 19, 1989)