2. amps-preamps
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What tubes and where to buy them? Conrad Johnson

Hello!

I`m from Brazil but currently I`m doing part of my PhD at University of Florida.

Back in Brazil I have a Conrad Johnson Premier 3 pre amplifier and a MV55 power amplifier.

I need to buy a new set of tubes for both, since it`s very hard to find tubes in Brazil.

The tubes they use are:

Premier 3: 2 12AX7, 5 5751, 2 5965
MV55: 2 12AX7, 2 6SN7, 4 EL34

I would really aprecciate some advice on what tubes I should buy and specially where can I buy trustable audiophile tubes, and not guitar amp tubes. I`m looking for a cost effective option because I won`t be able to spend a huge amount of money with that.

Also, I would like to know what tubes should I start changing if I can`t afford changing it all.

Thank you vety much!
pedrod45
lowrider57's avatar
lowrider57
5,418 posts
 
Also Brent Jesse...
http://www.audiotubes.com/12ax7.htm

On this page he provides info on the various brands and describes their sound. Then click on the various tube types for pricing. He always responds to email questions.
pedrod45 OP
13 posts
 
Thank you Lowrider57.

Does anybody know any trustable ebay seller that sells qood quality tubes?
elevick
2,638 posts
 
tubesandmore.com or thetubestore.com both are very reasonable and ship anywhere. Most of what they sell is very reasonable and not out of sight.
mofimadness's avatar
mofimadness
5,110 posts
 
Pedro45...I really thought that the tubes from cj would be less than what NOS tubes will run you. Your preamp, (one of my favorites BTW) uses (9) tubes and the amp uses (8).

Jim McShane is a great recommendation along with Brent Jesse. I have bought tubes from both of them. My favorite tube supplier is Kevin Deal who owns Upscale Audio.

http://www.upscaleaudio.com/VacuumTubes/

I think you will find that decent NOS tubes are going to cost you a fortune, but you never know.

Good luck on your search. Tube rolling can be fun, but you can also drive yourself crazy. I'm been collecting tubes for over 30 years and have 4 drawers full of tubes that I have acquired. I've always said that I could probably retire on what these tubes are worth now.
lowrider57's avatar
lowrider57
5,418 posts
 
Pedrod45, that is a lot of tubes. Maybe you should invest in a used vacuum tube tester on Ebay. Different tube types last longer than others. ie; small preamp tubes can last for years vs. amp power tubes.
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