Revox G36

Revox G36 Specifications

General

Signal to Noise Ratio	60dB
Heads	3 (Erase, Record, Playback)
Inputs	Microphone, Line
Outputs	Line
Type	Reel-to-reel
Track System	2-track
Frequency Response	30Hz to 20kHz
Reel Size	Up to 10.5 inch
Tape Speed	3.75, 7.5, 15 ips

Summary

General Information

General

Overview of the REVOX Series 36 tape recorder and its key features.

Mechanical Description and Maintenance

Mechanical Description

Details the three-motor system, capstan motor, and tape transport elements.

Mechanical Checks and Adjustments

Procedures for checking and adjusting mechanical components.

Tape Path

Explains the tape path level and guide adjustments.

Brakes

Describes the brake system, its electrical operation, and mounting.

Tape Tension

Details back tension application and potential causes of inaccuracy.

Pinch Roller

How to measure and adjust pinch roller pressure.

End of Tape Switch

Explains photoelectric and mechanical end-of-tape switch operation and adjustment.

Wow and Flutter

Discusses causes and measurement of wow and flutter.

Tape Speed

Methods for checking and issues related to tape speed accuracy.

Routine Maintenance

Procedures for cleaning and lubricating the tape recorder.

Cleaning

Instructions for cleaning heads, capstan shaft, and other parts.

Lubrication

Guidance on bearing lubrication and motor maintenance.

Servicing of Solenoids

Steps for dismantling and cleaning sticky or erratic solenoids.

Servicing of Push Button Assembly

How to clean and maintain the push button assembly contacts.

Removal of Capstan Assembly

Detailed steps for removing the capstan assembly for maintenance or modification.

Electronic Systems and Calibration

Electronic Description

Overview of the recorder's electronic circuits, channels, and monitoring features.

Circuit Checks and Adjustments

Procedures for verifying and adjusting electronic circuits.

Measuring Instruments

Lists essential and desirable instruments for testing.

De-magnetising

Explains how to de-magnetise tape heads and parts.

Head Alignment

Detailed procedures for aligning playback and record heads.

Playback Amplifier

Testing and adjustment of the playback amplifier stages.

Bias Adjustment

Method for adjusting the bias current for optimal performance.

Measurement of Overall Frequency Response

How to measure and verify the recorder's frequency response.

VU-Meter Adjustment

Procedures for calibrating the VU meters.

Adjustment of Head Shielding

Steps to adjust head shielding for minimizing hum.

Channel to Channel Crosstalk

How to measure and minimize crosstalk between channels.

Tuning the Bias Traps

Procedure for tuning bias filters in the playback amplifier circuits.

Troubleshooting and Technical Data

Mechanical Troubleshooting

Lists common mechanical problems, their causes, and repair methods.

Electronic Troubleshooting

Lists common electronic issues, causes, and repair solutions.

Technical Data

Specifications and performance data for the REVOX G36.

Diagrams and Parts

Circuit Diagrams

Schematic diagrams illustrating the recorder's electrical circuits.

Spare Parts List

Comprehensive list of replacement parts with order numbers and details.