File:Revox B215 recording PCB - new caps, pots, VCA bypass.jpg

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Revox B215 cassette deck - service and modding

Summary[edit]

Description
English: Revox B215 cassette deck - recording board with new capacitors, new trim potentiometers, and two large film caps bypassing the fader VCA. The function is useless, so if it can be easily removed - why not do it? The fader circuitry remains in place, the capacitors simply bypass it. Fortunately, the combined full-throttle gain of the VCA (including its input attenuator) is exactly unity. To preserve it, however, the impedance seen by the output of the preceding CMOS switch must be made equal to that of the (now disconnected) divider. The extra resistors are on the other side of the board.
Date
Source Own work
Author Retired electrician

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Date/TimeThumbnailDimensionsUserComment
current03:15, 14 January 2022Thumbnail for version as of 03:15, 14 January 20224,972 × 2,583 (3.12 MB)Retired electrician (talk | contribs)Uploaded own work with UploadWizard

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