2. amps-preamps
  3. 186645-86

Tube Preamps Should Have This Feature

So it's late or you just want some casual listening for a short time. "Should I fire up my tube pre for 30 minutes?". My answer is "No". Why not let me flip a switch (or push in the volume control) to put my pre into "bypass" mode? Bypass would, effectively, convert your pre into a passive device, keeping the tubes dark.

This sounds useful to me.

128x128dweller
milpai's avatar
milpai
2,322 posts
 

Your speaker coils need the 20-30 minute warm up more than the tube amp or pre amp......According to Steve Deckert
 

Very interesting. Never heard of that before. And I am not saying this with any sarcasm.

wolf_garcia
6,626 posts
 

Speaker coils? Hmmm...my Freya sounds great as soon as the tubes warm up and my Pass XA-25 takes maybe an hour or so but sounds so good immediately you sort of forget that. I wouldn’t think about that if Nelson hadn't mentioned it in the manual. I sometimes swap out the Pass for a Dennis Had Firebottle SEP tube amp that seems to sound great immediately, and If the speakers coils are cold you need a warmer room. Preheat ’em with a heat gun...knit them a cozy...a hug...some tea...insults...

raysmtb1's avatar
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raysmtb1
792 posts
 

I just hooked up my super tube rectifier to my space tech lab preamp. What a difference! It made everything sound a level smoother refined all of the same time. I was a little leery about the whole thing but it was definitely worth the $1100. Amazing. The part that concerns me is that I don’t believe in power cord or interconnects or speaker cables making a difference from what I’ve read the rectifiers are supposed to make a difference. Anybody out there explain to me what these super two rectifiers do that have such a positive  Influence on the Sound quality? 

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