Maybe you should post the future shop location so people can avoid it when they need service

Quote: Originally Posted by Glod 1) Are you of the opinion that your different amps actually sound the same, but your mind tricks you to believe they don't, when you are aware of which one you're listening to? 2) Am I understanding you right that you find that any piece of audio...

Quote: Originally Posted by Glod I am not sure I follow your reasoning or what your point is. Are you saying you hear something that is not there, i.e. that there shouldn’t be a difference in the sound signature between your audio equipment, but you hear it nevertheless...

A significant part of burn-in is psychoacoustic adaptation. With tube amps, it's more due to the amp than with solid state due to the fact that tubes do change their sound while they are warming up and burn-in a bit, but still, much of the burn-in is psychoacoustic in nature. I experienced...

Well, I've heard the 8065 in a different guise... the 8066 in a Headsave Home-Vibe. Basically found that it had excellent speed, killer dynamics and slam, but had relatively harsh treble compared to my reference 627/PPA combo. And now that I have gotten into tube amps, I find my favourite...

Brilliant. Absolutely brilliant, adhoc.

Oh man. SA5k with 8065 op-amps? Sounds like a recipe for ear piercing, harsh treble...

Quote: Originally Posted by nikongod i'd say the opposite. look at the spec sheets for the comon buffers, and opamp chips (where used with no buffer.) most dont particularly appreciate driving a load less than 100 ohms. Your rebuttal does not make too much sense in the context...

Oh sure, you can use the Senns with the 0 ohm output, and as you say, it is often preferable to do so. I was just saying that it's "okay" to use the Senns with a 120 ohm output, but not so much with Grados and Sonys.

0 ohm is definitely preferable for low impedance cans like Sonys and Grados. You never want the output impedance of your amp to be higher than that of your headphones. If you had 300 ohm Sennheisers, for example, you could use the 120 ohm outputs, but not with 70 ohm Sonys and 32 ohm Grados.

Oh, and another benefit of the 6CG7 version is that you do not have to pay any more to upgrade it to a 12v 12SN7 or SLAM configuration to be able to use the cheap but good 6CG7 tubes. No additional cost up front AND cheap tubes.

Don't forget the MPX3-6CG7 version as another alternative. The tubes are pretty cheap and they generally sound very good. The 6CG7, after all, is electrically the same as the 6SN7. The gold standard 6CG7 tubes, the RCA Cleartops, can be found everywhere and are only ~$10 per tube. If you want a...

I once loved the PPA. Looking for more, I tried the much praised MG Head DT/OTL Mk3... it paled in comparison. Then I got the SinglePower MPX3. I haven't used the PPA since... until today. One listen and I am reminded why...

Try an RCA Black plate as a gain tube and RCA Cleartops on the outputs. The Black plate is a little faster than the Cleartops. Makes the midbass a little tighter and less boomy/warm.

I leave all my components on 24x7 unless I'm going to be away for the weekend or if I'm not going to be listening to music for a couple days. With tube amps, you should warm them up for 5-10 anyways before you listen to them, which is a PITA. Basically, the consensus is if you're not going...