Hi everybody, In my SET300B based amp I have a 0.25uF/600V coupling cap. What would be happen if I use a 0.21uF/600V instead of the stock 0.25uF? Thanks in...
... It will happen that your 0.25uF/600V capacitors will lying idle. In fact it depends on what you're looking for in music, whether your 0.21uF or the 0.25uF...
diytfy
anlubo@...
Oct 6, 2002 4:51 am
2607
Hi Folks, Not sure if that falls under "cheap" tube audio (the parts bill alone makes me dizzy), but here it is anyway. Phonostage "Toccata MK III - homage du...
... alone > makes me dizzy), but here it is anyway. Phonostage "Toccata MK III - > homage du TAB". ... recordings > that offer a suitable degree of realism....
Trying to get to the final stage of planning for the 45 amp. I have been partial to the 417A/5842 because I have heard good sound before from this tube...
Hi, ... I know Gordon an operating point of 10mA/150V/2V Bias (suggesting a 200 ohm Bias Resistor) for the 5842/417A and a gridchoke on the self biased output...
Thank you for your message. Unfortunately, having 'lost' you for these last days, I've managed to find a good restored '930st' in Germany with its '155' RIAAs...
Stefano Pasini
stefpas@...
Oct 9, 2002 7:37 pm
2612
Has anyone tried building Thorsten's Tube/Transformer output stage for the Ultracurve?? How much improvement in sound quality is there?? How do you make the...
... before ... site, ... it ... http://groups.yahoo.com/group/doctorjohn_CheapTubeAudio/files/CIRCUITS ... simple. ... What output iron will you use? diytfy...
diytfy
anlubo@...
Oct 10, 2002 4:39 am
2614
... As most of you know, I am a complete NON-believer of Chinese outputs. So, relatively low-grade small TANGO's. I had a source that provided a pair of Tango...
... You mean Gordon Rankin? With 10mA/150V it seems the output should be quite low at this operating point, but I don't mind that. Most important is good...
I seldom post just to recommend a single recording, but this merits it. I recently checked out several CDs from my local public library, and this one is by far...
Hi, ... I find using the unit fully solid state just fine, but I did add an Output Transformer (S&B TX-410LO) which did a surprising lot to improve the sound. ...
After the exeprience with the gridchoke etc on the Sun 2A3 amp, we pursuaded Hoi to yet lend out his VT-25 amp again for the sake of "science". If you want to...
... In haste I forgot to add that there IS a limit on how far one can go. No, it clips more audibly with the Sonus Faber and so this cannot be regarded as a...
... http://groups.yahoo.com/group/doctorjohn_CheapTubeAudio/messagesearch/ ... http://groups.yahoo.com/group/doctorjohn_CheapTubeAudio/messagesearch? ... this ...
ecc803s
ecc803s@...
Oct 10, 2002 10:29 am
2622
... <doclowther@y...> ... we ... of ... http://groups.yahoo.com/group/doctorjohn_CheapTubeAudio/messagesearch / ... ...
tubediyer
tubediyer@...
Oct 10, 2002 12:37 pm
2623
... Ahhh.... good. ... Well, yes. Three pieces of wire.... I wasn't going to try string ;) Do the traces need to be cut and ferrite beads added?? Or can the ...
... that I feel good in use Tango XE20S which is quite slim size & I bought from my friend only HKD 3300, not include choke. This is the reasonable price to...
tubediyer
tubediyer@...
Oct 10, 2002 12:50 pm
2625
... the ... http://groups.yahoo.com/group/doctorjohn_CheapTubeAudio/messagesearch ... http://groups.yahoo.com/group/doctorjohn_CheapTubeAudio/messagesearch ......
ecc803s
ecc803s@...
Oct 10, 2002 1:16 pm
2626
Hi, ... No. ... Yes. ... It uses the same chip as most top grade studio converters, you'll have a hard time bettering it. Better Op-Amp's help of course. ... ...
Hi Doc, Thanks for the interesting write up on your mods to the Sun Amps. I've read the various postings recommending grid chokes, but haven't gotten around to...
... sorry what is the meaning of talema power transformers??? using some small talema power transformers as chokes. Does anyone ... Henry ... was ... as ... ...
tubediyer
tubediyer@...
Oct 11, 2002 2:08 am
2629
Talema is a manufacturer. Power transformer refers to the kind of transformer you would use to go from the mains supply (120v in the US) to low voltage such...
... as ... change ... Doctor:I am not so rare because my english is very poor so I haven"t post here before (There is a lot of knowledge people here) Hope...
ecc803s
ecc803s@...
Oct 11, 2002 11:34 am
2632
... <doclowther@y...> ... thing, ... how ... the ... I ... the ... I agree the point of ecc803s because every diyer to make their amp will use all of the...
tubediyer
tubediyer@...
Oct 11, 2002 1:04 pm
2633
... I had some opinion, the spirit of a good choke is a slim size, high henry, large current & good frequency response. If U want to make a good choke to...
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