Ampex Tape Recorders - Players Amps. Sams Photofact Service Wiring Diagrams

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Radio, Record Players, Instrument Amplifiers, Recorders...
ampex_tape_recorder_models_400a_401a_photofact_schematic TRADE NAME Ampex, The Ampex Models 400A & 401A are the same except for the head assembly.
Model 401A has heads to erase and record over the full width of the tape. Recorders were avialable for 50 or 60 CPS operation. MFR., Ampex Electric Corp., Redwood City, California
Sams Photofact Set 213 Folder 1 Ampex Tape Recorder Models 400A 401A # 24 Digital Only
ampex_tape_recorder_model_600_photofact_schematic TRADE NAME Ampex, The Ampex Model 600 is equipped with either full or half-track heads and is designed to handle 7-inch or smaller reels and to operate at a tape speed of 7 1/2 ips..
MFR., Ampex Electric Corp., 934 Charter Street, Redwood City, California
Sams Photofact Set 312 Folder 2 Ampex Model 600 # 20 Digital Only
sams_photofact_ampex_tape_recorder_model_620_schematic TRADE NAME Ampex Model 620 MANUFACTURER Ampex Corp., 934 Charter St., Redwood City, Calif. * TYPE SET AC operated Portable 10 Watt Audio Amplifier * TUBES (Five) Types 5879 AF Amp., 12AU7 AF Amp.-Phase Inverter, (2) 6V6GT Output, 6AX5GT Rectifier * POWER SUPPLY 110-120 Volts AC-50 or 60 Cycles * RATING .47 Amp. @ 117 Volts AC
Sams Photofact Set 312 Folder 3 Ampex Tape Recorder Model 620 # 4

 Ampex Model
 612 is a Tape
 Playback  Machine
The Ampex Model 612 Tape Phonograph is a tape playback machine which has been especially designed for the stereophonic reproduction of recorded magnetic tapes. The Model 612 is also capable of playing back both the conventional half track and full track recorded tapes. The Model 612 is composed of a tape transport mechanism (with head assembly) and an electronic assembly. The transport mechanism handles 7 inch or smaller reels and operates at a tape speed of 7 1/2 inches per second. The head assembly contains a half track head for playing back both half and full track tapes and an "in-line" stereo head for reproducing two channel stereophonic tapes. Two identical but separate preamplifier channels are provided in the electronic assembly. When reproducing stereo tape, each of the channels picks up its original signal from a separate channel on the tape, amplifies it and feeds it to a separate out put, The output of each channel may be fed to any high quality amplifier (and speaker) having an input impedance of 10,000 ohms or greater. Two Ampex Model 620 Amplifier Speaker units are suitable for this use.
Sams Photofact Set 343 Folder 2 Ampex Tape Phonograph Model 612 # 19
ampex_am_fm_tuner_model_550_sams_photofact_schematic TRADE NAME Ampex Model 550 MANUFACTURER Ampex Audio, Inc., 1021 Kifer Road, Sunnyvale, California * TYPE SET AC Operated 16 Tube AM-FM Radio Receiver * POWER SUPPLY 110 -120 Volts AC, 60 Cycles * RATING 70 Watts, .63 Amp. @117 Volts AC * TUNING RANGE-BROADCAST 540 -1620KC FREQ. MOD. 88 -108MC
Sams Photofact Set 612 Folder 3 Ampex AM FM Tuner Model 550 # 10
ampex_tape_recorder_models_1250_1260_1270_2012_sams_photofact_schematic Left Picture from Sams Photofact TR-6, used with permission by Sams Technical Publishing, LLC. Sams Photofact TR-6 Ampex Tape Recorder Models 1250 1260 1270 2012 # 20
ampex_model_micro_9_portable_mono_two_tracks_cassette_recorder_player_sams_photofact_schematic Left Picture from Sams Photofact TR-81, used with permission by Sams Technical Publishing, LLC.
Photofact is a Registered Trademark of Sams Technical Publishing, LLC.
Ampex Model Micro 9 Portable Mono Two Tracks Cassette Recorder Player
110-120 Volts AC, 60 cycles or 7.5 Volts DC
Sams Photofact TR-81, Pgs. 5 to 16, Copyright Data Must be Mailed # 12