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Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

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Old 11th November 2015, 08:13 PM   #221
simplefi is offline simplefi  United States
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Not sure if it's been mentioned yet but I found this site incredibly helpful for explaining the different stages and functions of a tube amp.

Valve Amps: Valve Amps
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Old 11th November 2015, 09:14 PM   #222
Charlie Bernstein is offline Charlie Bernstein  United States
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Nice site. Thanks!
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Old 5th December 2015, 03:49 PM   #223
thewwwall is offline thewwwall  United States
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Charlie - may i update a NEETS link? i tried to find old links which all get 404s, so: Davidson College Instrumentation Specialist - NEETS
is this ok?

My main issue with most schematics and questions from new builders is with grounding (usually). The disparate -|||> to nowhere in particular, which I completely understand from their stand point - anyway, basics are for this thread! ;^0
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Old 5th December 2015, 04:15 PM   #224
Charlie Bernstein is offline Charlie Bernstein  United States
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Thanks! I need better grounding grounding. The Davidson link works fine.

cb
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Old 10th December 2015, 08:31 AM   #225
Avo111 is offline Avo111
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Folks

This thread is extremely useful however it is becoming full of dead links. What should we do to fix this? Can people who have contributed please check the links in their posts and edit or remove posts with dead links?

Thanks

AVO 111
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Old 21st December 2015, 05:12 PM   #226
Cr@sh is offline Cr@sh  United States
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Quote:
Originally Posted by simplefi View Post
Not sure if it's been mentioned yet but I found this site incredibly helpful for explaining the different stages and functions of a tube amp.

Valve Amps: Valve Amps
Reading was good until I got to the part where he compares Christians with Cultists. SMH
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Old 26th December 2015, 08:03 AM   #227
billo44 is offline billo44  United Kingdom
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Dielectric withstand and insulation testing tube amps?
I have exhausted my google powers over many days looking for a general guide to safety testing tube amps. Can anyone point me towards some information about how commercial tube gear was/is safety tested. For sure regulations vary by country, I'm in Japan but any robust safety testing method would be better than nothing...
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Old 26th December 2015, 08:17 AM   #228
TonyTecson is offline TonyTecson  Philippines
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On Line Tube Learning for newbies....
^ are you referring to power transformers? in that case there are plenty on the net...
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planet10 needs your help: Let's help Ruth and Dave...http://www.diyaudio.com/forums/plane...ml#post5010547[B
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Old 1st January 2016, 10:25 PM   #229
rongon is offline rongon  United States
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On Line Tube Learning for newbies....
I don't know if this is mentioned elsewhere in this thread, but I'll nominate this article as helpful for tube amp construction --

The Library of Grounding Problems

Happy New Year!
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Old 1st January 2016, 11:04 PM   #230
Koonw is offline Koonw
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Quote:
Originally Posted by billo44 View Post
Dielectric withstand and insulation testing tube amps?
I have exhausted my google powers over many days looking for a general guide to safety testing tube amps. Can anyone point me towards some information about how commercial tube gear was/is safety tested. For sure regulations vary by country, I'm in Japan but any robust safety testing method would be better than nothing...
Have you look at a sample test report ? In actual testing you need to send to test lab some amp samples, list of and actual critical components, drawings, markings etc..
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