Build it

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BOM:

A2600FS-BOM-v1.2-buildlog.xlsx

rare Parts sources: 

diysynth.de

antonus

ebay

PCB Pictures for Troubleshooting:

Reverb Wiring

PSU

Speaker connector:

important the Amp needs 16V minimum

Balance out:

10k added here (bugfix in rev 1.0)

PCB to PCB connection:

MIDI/CV IO wiring:

please note: the green jack is a stereo jack !!!

e

Power wiring:

Transformer wiring: 

maybe you have to use 2k epoxy glue to mount the IEC inlet (was needed for my IEC model)

I connected everything in this standard way:

IEC  P and N  (2 cables) to > Frontpanel power switch > 2 cables to transformer PCB input

IEC earth to transformer and frontpanel ground 

PSU PCB output +15/0/-15V to mainpcb

PSU PCB 3x MTA100 with drilled cable to the VCOS ! important

PSU PCB MTA156 2pole to Amplifier (double check the polarity)

David pcbs added as shown:

Internal notes:

Main A: v1.0

Gallery of Mainboards

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Gallery of "potted" Modules