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^^^^And That^^^^

Well, i replaced the opamp like mshilarious said... and it works!!! thanks a lot, but still have a probme, the led meter and the vu meter are weird. all the LEDs are lit up and the needle on the VU meter stays all the way in.... any idea of what could be causing this? thanks

what about a midi/usb controller, you can get programs with any sound you want and i believe some are free, plus with all the options of difital intruments out there, you can find the sound you want

It sounds like a good idea, bot do you have anough space on the electornics cavity to fit the slider?

thats cool, any pictures?

check seymour duncan, i have this set on my epiphone http://accessories.musiciansfriend.com/product/Seymour-Duncan-Hot-Rodded-Humbucker-Set-?sku=300030 they are amazing pickups for any kind of music

so at least post the selling gear here and not ebay auctions

The op amp on my mpa is the JRC 5532D and from what i have read, it is a cheap-not so good op amp, since im going to change one, why not both with something better. What do you guys think about the LME49720/LM4562 http://www.national.com/pf/LM/LME49720.html it seems to be highly regarded by...

South Florida sucks for those kind of places, and the only decent electronics store, was closed a year ago :mad: ont he other hand... i found on Craigslist a guy selling 3 boxes full of tubes (150 total) for $25 and i found like 10 matched pairs of 12ax7 and a few telefunken :)

I will try that, are the IC Opamps easy to find? let say Radioshack?? or whats the best source for those.. Thanks!

I think is Fake, the upper part on the "R" on the shure logo shoudn't be higher than the rest of the logo and the sticker that says "dynamic microphone" should be very sharp printing and matte

But there is 2 heat-sinks, it should be one for each channel.. right? :confused:

im going to get more info about the tube and pictures tonight wheneve ri get home

something like this? http://www.radioshack.com/product/index.jsp?productId=2062600

i know for a fact the tube was wrong, the pin patter is the same but the tube itself is like 3/4" taller, i feel really stupid, but it actually sounded very nice for the 30 second it survived

Well there is 2 black heatsinks inside, close to the transformer, what should be the voltage? if the regulator went bad, is it easy to find a replacement?

I have to check whenever i get home, but i think there is no number, all the tubes i have a freaking old and most of them dont have anything :mad:

Well, i got a used MPA PRO from another user from this site, the preamp worked perfect, but i wanted to change the tubes... so i got like 20 tubes and started trying, everything fine until... I gound this tube that looks just like a 12ax7 but a little bit longer, put it in, and sounded very nice...

Now $69 shipped !!!! ( from $80 shipped)

im also open to trades of any kind