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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: I'd suggest posted by Russ57 on April 2, 2007 at 09:47:46:
...as long as you organise a higher B+ of up to 500V. Follow Russ's point of a choke input filter if at all possible, as it makes a BIG difference to the sound.If you go for two pairs of output tubes, then I'd suggest using 6H30's as the driver tubes with 12k anode loads and lots of current - in fact this is the exact tube line up you can expect to see very soonas a kit from Brian Cherry's DIYHiFi Company (Hong Kong), and also from (my) Vacuum State in Europe.
Triode connected - two pairs of 6550 will easily deliver 50 watts of extremely good pure Class A1 sound with this circuit.
Regards, Allen
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Follow Ups
- This basic circuit works very well with KT88.6550 type tubes... - Allen Wright 10:09:30 04/02/07 (11)
- Got a version that will work with EL-84's? - Ivan303 13:10:13 04/03/07 (10)
- EL84 Amp - another possibility - Gingertube 18:14:21 04/04/07 (2)
- Re: EL84 Amp - another possibility - pipo 02:46:29 04/05/07 (1)
- Re: EL84 Amp - another possibility is the STC el84 or ecl82 - pipo 02:49:18 04/05/07 (0)
- Only need to reduce the B+... - Allen Wright 01:25:01 04/04/07 (0)
- It will work with them but.... - Russ57 17:01:31 04/03/07 (5)
- I disagree... - Allen Wright 04:43:42 04/04/07 (4)
- I think I was misunderstood - Russ57 06:14:49 04/04/07 (3)
- He did say he wanted real killer of a El84 amp... (nt) - Allen Wright 08:13:17 04/04/07 (2)
- cascode question for allen wright - pipo 02:44:21 04/05/07 (1)
- maybe saw it, never tried it. - Allen Wright 06:03:17 04/05/07 (0)
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