Need help?Do you have a question about the Ampex 350 and is the answer not in the manual?
General| Type | Reel-to-reel tape recorder |
|---|---|
| Electronics | Vacuum tube |
| Signal-to-Noise Ratio | 60 dB |
| Inputs | Microphone, Line |
| Tape Speed | 7.5, 15 ips |
| Track Configuration | Full track, half track |
| Frequency Response | 30 Hz to 15 kHz (at 15 ips) |
| Outputs | Line |
| Heads | Erase, record, playback |
| Channels | Mono |
Specifies tape speeds for operation.
Details frequency response across different speeds.
Defines signal-to-noise ratios for various speeds.
Measures tape speed variations and cyclic deviations.
Provides tape playing times for specified reel size.
Describes tape acceleration time to full speed.
Indicates tape movement after pressing stop.
Specifies accuracy of tape playback timing.
States the time required for tape rewinding.
Explains the function of the machine's pushbuttons and switches.
Details microphone and line input configurations.
Describes the output signal level and impedance.
Explains the integrated head assembly design.
Describes audio monitoring capabilities and VU meter usage.
Specifies electrical power needs for operation.
Lists physical size and weight for different configurations.
Instructions for setting up and connecting components.
Guidance on connecting the unit to AC power sources.
Details on how to connect the output signal to other equipment.
Procedures for connecting various audio input sources.
Information on connecting headphones for monitoring.
Instructions for connecting and using remote control units.
Notes on using the 60 cycle amplifier unit.
Procedure for opening the console for servicing.
Steps for accessing the portable unit's mechanical parts.
Procedures for verifying machine performance after installation.
How to use reel size switches and hold-down knobs.
Step-by-step guide for loading tape onto the machine.
Instructions for operating in half-track mode.
Information on power switches and fuses.
Explanation of tape speed and equalization switches.
How to control tape movement using pushbuttons.
Methods for precise tape editing and cueing.
Procedure for playing back recorded tapes.
Steps for recording new programs onto tape.
Overview of the main mechanical components of the tape transport.
Description of the motor driving the capstan.
Details on the reel drive and brake mechanisms.
Explanation of the idler wheel's function and control.
Description of the idler assembly for tape path smoothing.
Details on the arm that monitors tape tension.
Description of the erase, record, and playback heads.
Location of control circuits and interconnections.
Identifies the various control switches on the assembly.
Principles of maintaining correct tape tension during operation.
How the braking system ensures smooth tape stops.
How the switch adjusts tension for different reel sizes.
Explanation of relay functions in different operating modes.
Relay sequence for initiating playback.
Relay sequence for engaging rewind mode.
Relay sequence for engaging fast forward mode.
Relay sequence for stopping tape motion.
Describes safety features preventing improper operation.
Recommended maintenance schedule for optimal performance.
Procedures for cleaning tape path components.
Schedule and methods for lubricating moving parts.
Process for removing residual magnetism from heads.
Procedures for setting machine adjustments for correct performance.
Adjusting motor torque for proper tape tension.
Adjusting the tension of the brake bands.
Adjusting the pressure of the capstan idler.
Guidelines for disassembling and replacing parts.
Steps to safely pack motors for return.
How to recondition or replace brake bands.
Description of the circuit amplifying the record signal.
Description of the circuit amplifying the playback signal.
Details on the oscillator generating bias and erase signals.
Explanation of the VU meter and its monitoring functions.
Description of the power supply unit and its components.
Overview of the process for aligning electronic circuits.
Lists necessary equipment for alignment procedures.
Important safety and procedural notes before alignment.
Procedures for aligning the playback signal path.
Adjusting the playback head for optimal output.
Setting the correct playback signal level.
Verifying frequency response of the playback system.
Adjusting equalization for playback frequency response.
Procedures for aligning the record signal path.
Adjusting the erase head current.
Adjusting bias current for optimal recording.
Calibrating the meter for bias readings.
Calibrating the meter for record level readings.
Adjusting the record head for optimal output.
Verifying and adjusting record equalization.
Setting record equalization for 15 ips speed.
Setting record equalization for 7.5 ips speed.
Setting record equalization for 3.75 ips speed.
Adjusting for noise balance in the output.
List of complete Ampex Model 350 units.
Part numbers for tape transport components.
Part numbers for electronic assembly components.
Part numbers for power supply components.
Listing of other miscellaneous parts and accessories.
To Next Page
