No. Vlad specifically warns against this. You don't want to do that for several reasons: first, the heat from the power supply tubes is substantial and the PS needs air around it to keep it relatively cool (it does get quite warm once it has been on for a while). Second, that PS is separated from the audio circuitry for a reason- you want to keep the transformer and all the AC crap that the PS emits as far away from the low level circuitry as possible.
You also have to play a little with cable dressing. The power umbilical is sorta in the middle of things and it is easy enough to route away from all your signal cables. I use one of those cable elevator things that looks like an old fashioned ceramic insulator- I put the umbilical on it and route it to the side of my rack, so it doesn't get near the outputs or inputs. I'm using a Grand Prix Monaco two shelf rack with some of the bells and whistles, like the carbon shelf and the footers. You occasionally find them used and that will make the price of one less painful. I use a couple of those Walker lead discs to damp the audio circuit cabinet and because the Monaco has dampers that are specific for the weight of a particular component I don't use any other isolation. Others use other things for isolation, i think SRA or HRS stuff, none of which is particularly cheap. Run the unit 'direct' (you will see the switch set up, it becomes obvious once you get past the beginning phase) and leave it on all the time (which Vlad recommends). You have to replace the PS tubes every year, whether or not you run it constantly, so by leaving it on (the only time i pull power to it is when I am away for an extended period, or when there are electrical storms), it will sound better. Remember, even though it has tubes in the power supply, it is essentially a SS preamp. Mine just got back from Vlad's after a repair. He upgraded all the switches to newer lower noise ones he prefers, and did a general 'tune up' in addition to fixing the problem i had- which was a pronounced transformer mechanical hum from the PS, which started to show up as a low level 60hz hum in the system. He even asked if I had stacked the units as a possible cause, so it just reinforces the advice above. The thing is pretty much dead quiet now, if you put your ear next to the PS when there is no music on, you can hear a slight mechanical buzz which diminishes as the unit stays powered on. Through the system, however, it is dead quiet, and i am using 104db or whatever efficient horns, so I can hear low level noise you would never hear on a system with typically less efficient speakers.
It is a great sounding line stage to mate with his amps.
You should enjoy it.
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