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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: Transformer loaded 6SN7 pre…… it’s alive. posted by martyh on December 11, 2006 at 06:33:10:
It seems many of the RCA amps were made in the days of optical sound track and I have one pair that uses 4 6l6g tubes and is rated to 30 watts and a frequency response os 50 to like 10000.THe sound tracks of the day were lucky to hit 10k but I can sweep it to about 18khz because I did open the feedback loop and Im using a wider bandwidth input transformer for the phase splitter.
The output trans seems light even tho its potted and being it has a 500ohm and a 7.5 ohm tap in the mix it seems it could made better and larger.The RCA 807 amp I have is much heftier but still the output trans is small by comparison.
The 6146 amps I have are about the most conventional as far as being modern and the transformers are good size and the amps can sound pretty good with modifications.
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- Thats true about some RCA trannys - MIchael Samra 09:06:55 12/11/06 (0)
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