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Anyone here ever open up their 7 PRO, and replace the preamp tube. They're self biasing, and I'd like to do it myself, instead of having my amp...
Does any one happen to know what the exact tube (company/model) that are used in these amps? I'm pretty sure they are JJ tubes but exactly which...
Up for sale is a Fender Bassman 300 Pro. Great tubes (all in the green) and sounds outstanding. I'm not playing high power stuff any more so it...
I'm selling a lightly used pair of Tung-Sol 12ax7 tubes. These typically sell new for $15-$17 each + shipping. I'm asking $20 for both via PayPal...
Up for sale is like new Reiner tube preamp. This is the 12AX7 version and is serial number 001. Tung SOL-AX7's in V-1 and 2 and a 5814A in V3....
I purchased these two Sovtek 12AX7LPS tubes brand new as spares and never ended up using them. I will throw in a lightly used Russian Electro...
Just picked this up but my band broke up so I no longer need this. Up for sale is a mint example of the Reiner tube preamp. This is the 12AX7...
S/N 02 out of I think 5(?). All upgrades/improvements done by JGR. Great, great pre. Only trades considered would be Kern or rack Monique....
Mixed 12AX7 tubes. 2 Sovtek 12AX7WA, 1 China 12AX7, 1 unmarked 12AX7, 1 12AX7 marked "Made In USA" and 1 Groove Tubes 12AU7. All are working...
I have an early model 1.5 rack space Demeter 201 tube bass preamp and it has started giving me some intermittent distortion, the sound is not...
Hey all, I don't own an amp that uses tubes anymore so I have absolutely no use for these. All are in good working condition, verified in my...
whats the test range i should be looking for when buying NOS tubes? the numbers are confusing... thanks..
Hi Everyone! I am a long time lurker and this is my first thread. Please let me know if I have violated any rules. I have a big old Ampeg SVT 4...
Howdy folks! I recently bought an ART Tube preamp the other day. I've had some positive reviews with the exception of the cheap Chinese tubes that...
Hey, I just got the pedal yesterday and recorded a short video. I tried to keep if simple and show usable settings, there is a second video in the...
Aguilar DB751 Tweed OEM case Recent tube replacement of all 3 12AX7s - 2 gigs on them since There are probably fancier tubes, but these Groove...
