Revox A77 ELECTRONIC Control Systems & Audio upgrade overhaul kit for Mk 1 - 4
Nagravox
Capacitor & Preset Pot Upgrade Kit for Revox A77 reel to reel tape recorders mk 1 and mk2 - 4.
For all models This kit is for both the transistor and IC speed control versions and includes extra components to cover both as well as earlier versions.
This kit contains:
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replacement capacitors for all the electrolytics
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replacement for all tantalum capacitors
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brand new specially manufactured non polarised motor capacitors
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all troublesome suppression capacitors on the drive control, capstan and power supply.
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a full set of fully enclosed cermet type preset trimmers
- A set of suppression resistors as per later factory tech update bulletin (these are really important)
- New Audio relay sub kit for record relay board
These are suitable for the following circuit boards.
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PSU 1.077.540
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Tape Drive 1.077.370
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Switchboard 1.077.435/426
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Input amp 1.077.700
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Record 1.077.705
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Oscillator 1.077.712
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Record relay 1.077.715
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Playback amp 1.077.720
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Speed control 1.077.725 and 1.077.724 or /729
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3x chassis mounted motor capacitors.
- 1x Large PSU can capacitor stud mount as per original
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Comprehensive instruction manual
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Support to help you if you have a problem
TOTALS: Capacitors =81. Preset trimmers & resistors = 26. + Misc hardware.
Servicing Brands...
