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9. TUBES
9.3. Control unit tube layout
Tube layout: control unit
German designation
International designation
V 7
ECC 88
6922, 6 DJ 8
Replacing the V 7 tube
Note
The control unit cannot be disassembled during tube replacement, as it is physically
connected to the front.
1. Disassemble the shortened cover.
2. If your device is equipped with the phono RIAA board, first remove the V 6 tube of the phono
RIAA board.
3. Below the control unit, carefully remove the V 7 tube in the direction of the arrow.