Hi Viggen,
I don't feel you need to buy expensive NOS tubes to get good sound. The modern day svetlana's sound wonderful. I've heard good things about the eh's as well. It's only a hundred bucks or so to replace the power tubes in a ca-50. If you have efficient speakers, that's one of the best sounding amps out there. You want to buy a matched quad of 6550 power tubes. If kt88's will work, you might want to consider them. Call ARC about that.
See www.thetubestore.com for good prices. If you want a little help with biasing check out the manual & search for past threads on this forum. It's a 30 minute job the first time, 15 thereafter. Make sure your test leads have rubber sheaths around them. All you need is a $20 radio shack multi-meter.
I don't feel you need to buy expensive NOS tubes to get good sound. The modern day svetlana's sound wonderful. I've heard good things about the eh's as well. It's only a hundred bucks or so to replace the power tubes in a ca-50. If you have efficient speakers, that's one of the best sounding amps out there. You want to buy a matched quad of 6550 power tubes. If kt88's will work, you might want to consider them. Call ARC about that.
See www.thetubestore.com for good prices. If you want a little help with biasing check out the manual & search for past threads on this forum. It's a 30 minute job the first time, 15 thereafter. Make sure your test leads have rubber sheaths around them. All you need is a $20 radio shack multi-meter.