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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: 6N6P data posted by kenev on February 2, 2006 at 08:20:35:
>6N6P tube is regarded as being similar to ECC99 or E182CC. Its characteristics fall in between E88CC(6922) and 6N30P. For a datasheet, look at the link below. They are regarded very good tubes (in relation to their price - I have got a dozen for $2 each).Where from?
>Since I want to try the differential cascoded driver also, is there a rule of thumb in relation to the operating conditions of the above mentioned topology?<
1/ use hi-gm tubes and at ~11mmA /V these are not the best possible, but are more than OK.
2/ Run them HOT - look how the transfer curves straightne out at around 15mA anode current.
3/ use more than enoughB+ toallow them to swing all the signal V you need to easily drive the output tubes
4/ Set the upper tubes grid voltage using a distortion analyser to get the best distortion spectrum possible. Other wise do it by ear - but don't make it too low. Better too high than too low!
Good hunting, Allen
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Follow Ups
- Thanks for the exact 6N6P data link! - Allen Wright 06:00:09 02/03/06 (2)
- Re: Thanks for the exact 6N6P data link! - kenev 12:58:30 02/03/06 (1)
- Could you please give an example, say for an ECC88? - Allen Wright 15:29:46 02/03/06 (0)
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