Noob question

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sonic
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Noob question

Post by sonic » Sun Oct 26, 2008 8:53 pm

this may be a dumb question, but If I were to buy a cheap new small combo or head tube amp like a champ 600 or a Valve jr could I use NOS tubes? Will it work properly? Or will it explode?

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Kent
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Post by Kent » Sun Oct 26, 2008 9:04 pm

It'll work fine as long as they are the same tube type: 6L6 for 6L6 etc... However, I don't think that you'll notice a difference that would be worth the expense. It may make more sense to seek out quality modern tubes (J.J., Groove Tubes, etc.) instead.

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Post by sonic » Sun Oct 26, 2008 9:47 pm

Cool thats good to know. So there wouldnt be much difference in sound quality? like better clean or dirty tones.

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Muff Wiggler
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Post by Muff Wiggler » Sun Oct 26, 2008 9:57 pm

bearing in mind my experience has been with a fairly high-end amp...

i found the difference in NOS and modern 'premium' tubes enormous. i simply cannot go back. once in a while i try and it's literally painful on my ears. in particular the return of the ice-pick highs and need to crank the treble cut on my amp :confused:

I wonder if perhaps it wouldn't make an even bigger diffference on a cheaper amp? hard to say. I do know that nothing being made today in tubes even approaches a fraction of the quality of what was being done back in the day.

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sonic
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Post by sonic » Sun Oct 26, 2008 11:10 pm

Thats what I thought... but do they work properly in modern amps( do they run at like the correct voltage and stuff) like they would in a old amps?

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Post by thermionicjunky » Sun Oct 26, 2008 11:35 pm

It's fine as long as it's the same type, or even a suitable substitute. Some substitutes may provide a bit less gain, but they may add less noise, for instance.

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Post by Kent » Mon Oct 27, 2008 12:09 am

My point was that it would be wiser to invest the money spent on NOS tubes in either:

1) an overall better amp
2) a better output transformer and speaker

This is based solely upon the amps that live in the price-range that were mentioned.
Muff Wiggler's amp is a Swart and is already pretty much a fully up-rated amplifier and the investment in quality components has already been made by the designer.

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Muff Wiggler
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Post by Muff Wiggler » Mon Oct 27, 2008 12:14 am

Kent wrote:My point was that it would be wiser to invest the money spent on NOS tubes in either:

1) an overall better amp
2) a better output transformer and speaker
this is true....them fancy old tubes ain't cheap. and they also tend to be addictive :lol:

you would get more mileage out of speaks and iron, i agree

Babaluma

Post by Babaluma » Mon Oct 27, 2008 1:07 am

i bought a fender champion 600 in march. i love it to bits. i run guitar, bass and sometimes synths through it. the clean sound is lovely, the overdriven sound is not so lovely.

the only mods i've done were to take off the metal tube covers (less rattle/tube microphony), take off the back (more open sound, more heat dispersion), and upgrade the crappy chinese tubes for a jj 6v6s and a jj 12ax7. the improvement in sound quality was large. i've also tried other 12xx7 family tubes and a 5751 but i like the sound of the jj 12ax7 best (i have the gold pin version).

for the money it is a ridiculously good amp, but i might one day upgrade to an emery head and cab for the ultimate in tone, but that is in another price league entirely!

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sonic
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Post by sonic » Mon Oct 27, 2008 4:50 pm

Kent wrote:My point was that it would be wiser to invest the money spent on NOS tubes in either:

1) an overall better amp
2) a better output transformer and speaker

Good point

the reason I suggested the Valve jr is cause I own one the head version.
And I thought it would be overall cheaper to upgrade it with NOS tubes because I would only need one power & preamp. But Id probably be paying more on a NOS EL84 than I did on the amp :eek:

Id rather save that cash for a better amp.

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