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8 guides found in

Valves/ Electronic Tubes

voc_rock_guitars_instruments_accessories

Valves Tubes Do I need to Bias my Valve amplifier ??
by voc_rock_guitars_instruments_accessories( 5642)
A question I hear a lot. Do I need to have my Valve amplifier biased? So What is Bias. Well to put it simply the bias of a Valve amp is set by adjusting the grid voltages to set the idle current of the output...
Tags: amplilfier valves | Tubes, Valve | Electro Harmonix | JJ Tesla | 6l6GC, EL34, EL84
179 of 187 people found this guide helpful
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Choosing a Valve or Tube tester from B&K to AVO
by 6dimensional( 1417)
So you are thinking of buying a valve (or tube) tester and perhaps wondering where to start.The type of tester you want to avoid are utility testers that just check filament continuity – you can do that with a...
Tags: Valve tester | tube tester | mullard | brimar | avo
125 of 126 people found this guide helpful
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Audio Tubes Valves, 12AX7 ECC83 EH, JJ Tesla, Shuguang.
by voc_rock_guitars_instruments_accessories( 5642)
Voc Rock Guitars Audio Reviews on ECC83 12AX7 Pre amp tubes. Essentially there are only 3 major tube manufacturers remaining in the world today. We decided to put the 3 most popular tubes manufactured by these...
Tags: Valves Tubes | ECC83 | 12AX7 | Guitar amp tubes | PreAmp Valves
71 of 80 people found this guide helpful
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Decipher Codes on Tubes Valves Mullard Brimar Military
by 6dimensional( 1417)
Military valves have different markings to commercial valves. Most have a CV number (CV = common valve) It is best explained with an example. I recently sold some E88CC or 6922 with the following markings...
Tags: Mullard | Brimar | Marconi | Military valve | Tube
53 of 53 people found this guide helpful
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Valve / Tube Amp Repair / Servicing is DANGEROUS
by pk-nuts( 1484)
I don't usually get on my high horse, but I keep on seeing various eBay items that explain how to service your own valve amplifier, etc. Note: For anyone who pooh-whos this and chooses to ignore what I am...
Tags: valve amp | tube amp | repair
40 of 43 people found this guide helpful
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how to test that old valve amp you found in the attic
by annoyance!( 212)
Heres how to test that old valve amp you found in the attic. Why, just find the nearest mains socket and plug it in! See the lights come on therefore it works! Its obvious isn't it? - but not so obvious is in...
Tags: amp | amplifier | testing | valve | vintage
11 of 12 people found this guide helpful
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How to bias power valves in Marshall DSL50 valve amp
by tonyr0071( 63)
Marshall DSL50 Valve Biasing. When replacing or changing power valves in this amp or others like it, it is important to purchase a matched pair of power valves from your supplier. The power valves in the...
Tags: valve biasing | power valve biasing | guitar valve/tube bias | DSL 50 valve bias | Marshall DSL 50 tube bias
3 of 3 people found this guide helpful
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Wanted ! EF36 ,EF37 , and EF37A Valves
by kevingrove( 527)
Would any of you selling these valves please consider donating them? What to? The colossus rebuild project!!!! Colossus was the world's first large electronic valve programmable logic calculator, not just...
Tags: old valves | EF36 | EF37 | EF37A | WW2
1 of 1 people found this guide helpful
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Valves/ Electronic Tubes

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8 guides found in

Valves/ Electronic Tubes