The IIC+reissue goes live Dec. 3rd. $3599

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What is the bright version you mentioned?
Some time during the latter part of the production of the C+ they made some changes to the preamp on the simuls. I don’t know the technical stuff, somebody can probably chime in on that. But there’s some different value caps and resistors and a cap that’s removed. That made them brighter, gainier and more aggressive sounding.
Now, I haven’t had the chance to try an earlier “normal” simul C+, so I can’t say how they compare. But it sure is an aggressive sounding amp. It has almost as much gain on the same settings as my C++’s. And it’s not bright in the same way as a Mark III is.
 
What is the bright version you mentioned?
The early C+ were a "warm" version. The main run of C+ through the end was a "bright" version. Described as you would expect. I've had many of both, IMO there is not a "better" verison and this still comes down to the individual vintage amp. The best Simul I had was a very early factory "warm" verison. IOW, I wouldn't sweat it. Just like I wouldn't sweat the PT- I've A/Bd the 100 & 105 in the same amp and in that case the 100 was sweeter in the feels and no difference to sound. These amps are a sum of thier parts, not a factor of any individual component.
 
Some time during the latter part of the production of the C+ they made some changes to the preamp on the simuls. I don’t know the technical stuff, somebody can probably chime in on that. But there’s some different value caps and resistors and a cap that’s removed. That made them brighter, gainier and more aggressive sounding.
Now, I haven’t had the chance to try an earlier “normal” simul C+, so I can’t say how they compare. But it sure is an aggressive sounding amp. It has almost as much gain on the same settings as my C++’s. And it’s not bright in the same way as a Mark III is.
It's probably comparable to how the different stripes of the Mark III sound. There was always a difference between them. Some stripes were more aggressive than others.
 
The early C+ were a "warm" version. The main run of C+ through the end was a "bright" version. Described as you would expect. I've had many of both, IMO there is not a "better" verison and this still comes down to the individual vintage amp. The best Simul I had was a very early factory "warm" verison. IOW, I wouldn't sweat it. Just like I wouldn't sweat the PT- I've A/Bd the 100 & 105 in the same amp and in that case the 100 was sweeter in the feels and no difference to sound. These amps are a sum of thier parts, not a factor of any individual component.
The upgraded 100's are somewhere in between a factory Simul and 105 in feel and sound. The bright Simul's are less vocal sounding and less saturated. The factory 105's are faster and tighter. Especially a factory HRG++.
 
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Yea probably. I’d love to try an earlier DRG sometime.
I've always been amazed by your large collection, I've never owned an amp in my life and I can't imagine how one person can have four amps when one of them used costs 10k on the second market. I'm a little jealous, haha. I thought you already has the one you mentioned.
 
The bright Simul's are less vocal sounding and less saturated. The factory 105's are faster and tighter. Especially a factory HRG++.
That checks out IME. I agree the 105s are faster, and IMO it's because of the extra PV and not magic fairy dust. Also obviously pentode amps are faster than triode amps. ...And, other brand amps with 500+PV generally kick similar ass. So, if they would just make a new large PT with 500PV and just load JJs in them, we'd all be happy! Well, except guys that hate JJs...
 
Some time during the latter part of the production of the C+ they made some changes to the preamp on the simuls. I don’t know the technical stuff, somebody can probably chime in on that. But there’s some different value caps and resistors and a cap that’s removed. That made them brighter, gainier and more aggressive sounding.
Now, I haven’t had the chance to try an earlier “normal” simul C+, so I can’t say how they compare. But it sure is an aggressive sounding amp. It has almost as much gain on the same settings as my C++’s. And it’s not bright in the same way as a Mark III is.
Wish I was rich to buy one…
 
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