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 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

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It is currently 19 Sep 2019, 02:30

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 Post subject: Re: 211 SE power amp
PostPosted: 17 Jan 2019, 20:12 
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Joined: 22 Feb 2017, 07:55
Posts: 21
Amps in my rack.


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 Post subject: Re: 211 SE power amp
PostPosted: 17 Jan 2019, 20:20 
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Joined: 22 Feb 2017, 07:55
Posts: 21
mwhouston wrote:
Impressive frequency response. No I never built it. I feel guilty when I ask Matt to design something and not build it. Do still intend to one day. Got all the parts.


The frequency response shown in the above graphs in only the driver circuit (6SN7/6BX7) through the Hammond 126B terminated with a 560k resistor and 100pF mica cap. I have/had data from the complete 211 amp, but can't find it. I'll have to remeasure and post.

The Hammond 126 series are the best kept secret for interstages. The audio snobs don't like them, but I bet in a blind test, they could not tell them apart from other brands.


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