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Opinions on vintage cj amps and Teflon cap mods

I'm seeking opinions on having a vintage amp modified/updated. While I'm enjoying my conrad johnson Premier V as is, I can hear some significant differences when compared to some of the more modern amps I've heard. In my opinion, the sound I'm getting from my system is too soft, particularly the leading edge of notes and the upper base/lower mids. Decay, air, ambiance and overall musicality are great IMO. conrad johnson is offering modifications to the Premier 4&5 amplifiers which would include a new power supply and Teflon capacitors. What's crucial to me, is that I'm looking to improve the amplifiers performance, not just change it. The cj person I talked with said they've modified a couple of the Premier 4s with "smashing success". Thanks in advance for your experiences and opinions.
phaelon

Showing 1 response by dusty

dusty
60 posts
 
I'm with avguygeorge regarding the recoup of money spent on upgrades. Unless the guy doing the work knows his stuff, you could wind up with a result that is worth a lot less than the original. That being said, both C-J and Bill Thallman do GREAT work, and know the products inside and out.
I had Bill T. work on a pair of amps and a preamp (all of which are a lot older than your 5's)and I thought the sound was similar to pre-update, but had much more "clarity". My update was before Teflon caps were generally available.
Just like an vintage car; if you really love them, then have C-J do an upgrade, if you think they're lacking compared to the newer models, then don't.
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