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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: RE: My New DIY Passive Preamplifier posted by opus64 on February 12, 2023 at 22:07:04:
opus64:
The large black block has medium density felt pads that rub against the brass shafts for volume and input selection. They act as dampers to micro vibration that might arise in the shafts (and possibly getting into the pot or selector switch contact wipers. The dark and light grey materials are extensional damping treatments on the case to reduce any resonant vibrations. The rear switch labeled "CS" is to switch in or out a 3rd wire grounding of the case as electrical shielding.
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Follow Ups
- RE: My New DIY Passive Preamplifier - fastcat 09:06:41 02/19/23 (1)
- RE: My New DIY Passive Preamplifier - opus64 20:02:38 02/19/23 (0)
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