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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Re: Komuro DC 300B w/ 50 DHT? posted by zarniwoop on October 17, 2005 at 15:39:24:
Think about it. The Rp = 1700 ohms for these tubes in triode.
30H @ 20Hz = 3800 ohms. So, at 20Hz, the choke is loading
the tube 2:1 which means you are -6dB down which is fine.
Keep in mind the choke has to offer the 30H while taking on
the 30mA bias current of the 6v6.The same choke, with a lower Rp pseudotriode: i.e. EL34 (Rp=900ohms), KT88 (Rp=800 ohms), will have more bass that you can
shake a stick at.If you are religiously against interstage transformers, and
want LC coupling, just get the One Electron PRC-2 which give
you 48H at 75mA. This, as a plate load choke, will let you use
almost anything in the firmament with bass out the backside.-- Jim
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Follow Ups
- 30H plate load is fine with 6V6 family... - Jim Doyle 19:57:25 10/17/05 (0)
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