I understand that the 76 is a fine sounding tube. If I were to pick for a pre-amp project between some 76 or some early 6J5G, which would be preferable - I...

I'm working on a long tail pair phase inverter using a 12ax7 with a current sink on the tail. I've noticed in some other designs (ARC) they use a resistor ~5k...

Hi Group: I'm working on an output stage of a FIXED BIAS output stage, UL, using KT88's. According to the data sheet on the KT88, they recommend separate...

Hi Group: I'm working on an output stage of a FIXED BIAS output stage, UL, using KT88's. According to the data sheet on the KT88, they recommend...

From 1972, but since the tube technology is older than that, it still seems valid. Find it he http://www.butleraudio.com/tubesvstrans1.html An excerpt...

Andre Jute, well known whining crybaby and idiot savant for the amateur tube amp crowd, has plead guilty to charges of being the main reason RAT hs turned into...

Has anyone tested the DynaClone transformers that Triode Electronics sells? Does anyone know who their really made by? Someone around Chicago but I would like...

I'm trying to figure out if the New Tung-Sol tubes are really new or if it's just a relabeling of Electro Harmonix tubes. I can't find anything on New Sensors...

Hi group: Has anyone in the group found a switcher good enough for high voltage (180 VDC), low current (.010 amps) audio use. When I say good enough, I'm...

Where to get 1watt 1% metal film resistors? Nobody seems to stock them. Newark, Mouser ect want 500pc min order for the Vishay/Dale. Any ideas??

I'm wanting to use a FET as a current sink for a differential longtail. This will be a balanced input front end using a 6922 with about a -60VDC on the...

Hi. I'm new here. I'm trying to help out a friend who has owned a stereo and tv repair shop for the last 40 years. I have thousands of tubes- don't really...

Got a pair of Dyna MK III's in for repair. Customer is interested in upgrading. I have done a little research and found an Alan Kimmel driver board at Welborne...

Do anyone out there know example of tube 6360 applied to Hi-Fi power amp? GE Essential Characteristics tells; the 6360 is a twin tetrode with a common...

Thanks for looking http://cgi6.ebay.com/ws/eBayISAPI.dll?MfcISAPICommand=ViewListedItems&userid=launchpad%21&include=0&since=30&sort=3&rows=25 RonL

Take a look at: http://cgi6.ebay.com/ws/eBayISAPI.dll?MfcISAPICommand=ViewListedItems&userid=launchpad%21&include=0&since=30&sort=3&rows=25

Ebay Item number: 5730969808 thanks mk

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=5792676297&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 I have gobs of these tubes. Email me if you are...

Has anyone ever seen this topology covered in any text? I would like to learn more about how to use it. What are the benefits, and what's required of the...

Hello..............NG... Might anyone have any tech. info on these following Western Electric Transformers:? 1. D-159356 2. RET.241-E 3. 157A Output...