Tube Suggestions for my OPTs

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Tube Suggestions for my OPTs

Postby SDS-PAGE » Thu Oct 10, 2013 4:19 pm

Hi, I have a new pair of nice Electra-Print 10K:8ohms 50mA SE OPTs that I want to put to use. I was thinking about the 801A or the VT-25/10Y but they are rather pricey. Any suggestions for tubes that would be a good fit for my OPTs in a SE amp? I would prefer if they were DHT. Thanks! Min
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Re: Tube Suggestions for my OPTs

Postby azazello » Thu Oct 10, 2013 7:07 pm

I think, use 6F6 or Russian /6F6S or P, I forgot/ with Ra about 7 kohm and plate current 45-50 ma, but it is not DHT, but with cool sound...I had that SE and I was happy.... (lol) [:) (y)
Projects: OTL 6AS7 Gen, Electric, SEs 2A3 RCA, 300B JJ, 6S4S, 4P1L, EL11 Telefunken, 6AS7 RCA, 6S33S, 6S41S, 6S19P, headphone ampl. OTL Loftin White 6AS7 RCA....SE E84L&E80CC Siemens&Tel-n.
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Re: Tube Suggestions for my OPTs

Postby zippy1540 » Thu Oct 10, 2013 7:19 pm

Their not DHT's but parallel 6S4a Triodes into 10K would bring you somewhere around 2.5Watts of really clean sound. 350D B+ with a 390ohm cathode resistor would be about 25ma per tube. Plus their really low cost. I used the Clementine 6SL7 front end with mine and it worked well.
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Re: Tube Suggestions for my OPTs

Postby 20to20 » Fri Oct 11, 2013 6:52 am

6K6GT for 10K trannys.

I have a similar amp planned for some of those tubes I've collected. Not DHT. I'll go UL with it.
Headed for Tishomingo to sing in a can...
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