Studer list subscribers can download technical documentation from the Recordist.com/studer site by clicking on the links below.

The following documents are available for download:

A101 first version schematic (.pdf)

A101 latest version schematic (.pdf)

A101 versions (.jpg)

A101's on board (.jpg)

A80 RC Phase Shift Capacitors (.pdf)

A80 VU Drop-in Electronics Modification (temporarily unavailable)

A80 VU MK I Technical Information (temporarily unavailable)

A80 VU Phase Shift Capacitors (.pdf)

A80 VU Simplified Audio Channel Alignment (.pdf)

A807 Interfering frequencies in the wow and flutter spectrum (.pdf)

A810 EQ setting (.pdf)

New developments paper (.pdf)

Phase compensation (.pdf)

A820 capstan MDA changes, TP 169 & 172 (.pdf)

A820 spooling motor control modification, TP 200 (.pdf)

A820 2CH Software Reference List (.pdf)

Software Reference List, all models (.pdf)

ML-5 alignment procedure (.pdf)

ML-5_schematics_1 (.pdf)

ML-5_schematics_2 (.pdf)

ML-5_schematics_3 (.pdf)

A807 Spooling motor filter PCB modification (.pdf)

Amorphous core material for heads (.pdf)

Butterfly head (.pdf)

Capstanmotor lubrication (.pdf)

Flutter References (.pdf)

H 37 half-inch three track head (.pdf)

SI 88/84 A80 Oilfilled dash pots (temporarily unavailable)

Head data as of 1986 (.pdf)

SMPTE time code recording (.pdf)

A810 for pilot and SMPTE EBU TC (.pdf)

B67 changes from A67 (.pdf)

B67 Mk II introduction (.pdf)

B67 Mk II repro EQ settings for 30 in/s (.pdf)

B67 capstan motor tags (.jpg)

factory rebuilt capstan motor tags (.jpg)

A80/RC 7.5/15 in/s to 15/30 in/s conversion (.pdf)

Type 089 Power Supply Schematics:

Comparison list for A827 and A820 MCH (.pdf)

Index of Service Instructions (in preparation)

Index of Technical Protocols (in preparation)

Adobe Acrobat Reader enables you to open and read .pdf files. If you do not have Acrobat Reader, you can obtain it here:

Download Acrobat Reader