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stevecg2

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Everything posted by stevecg2

  1. Yes it was 1 watt. Think I will keep the mod to R15, C5 and C6. Wish I could find a quieter fan though. When I bought the amp (used), the fan was not working. Bought a generic replacement fan and it is kind of loud. Never heard a BC with the stock fan so I don't know if it is normally loud or not. Let us know how it sounds without C10.
  2. I lifted C5 and C6. It does seem to be an improvement in sound. Was looking at the biasing of the preamp tubes. Just for fun I paralleled a 5k on top of the 2.2k R15 for approx 1.5k. Which slightly lowered the gain on that stage. The distortion is a bit smoother and not so harsh, well it it just sounded better to me.
  3. Hi all, new to this forum. I like the idea of C5-C6 mods. I have not really been happy with the sound of my BC30. Came with 5881's by the way. A couple of days ago I pulled tubes from other equipment. I replaced the 2 preamp and the phase inverter with an RCA, a Mullard and a Telefunken all from very old equipment but test very good. Replaced the output tubes with Svetlana 6L6's used, 80%. It made a big difference in the sound. It is a different amp. Clean is very clean and overdrive is not near as muddy. But is still doesn't sound right to me. I am ready to start tweaking. Steve
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