Aesthetix IO Sig V 2nd power supply & Lamm LP2 del

RadicalSteve

You state that you put the gain back to 60db??

In IO manual I have here the gain stating at ATT1 and going to ATT5 is 80, 74, 68, 62, 50. My manual says IO, not sig so I think it is an old manual.

Are impedance's from jumper position 10 - 1. 10k, 4.75k, 1k, 475, 243, 121, 75, 40.2, 20 , 10

Is anyone's else's manual different??

Shane,

You are correct as above - gain setting at ATT4 is attenuated 18dB to give a value of 62dB, not 60 - I was scribing during a quiet moment in the office, so a slip of the pen! The impedance values are as you describe.

My unit was approx manufactured 2 years ago as verified by Jim White, but the manual is revision 2.6 dated April 2002 and there is no reference to the signature version in the manual other than the warranty card. It might be 2002 was the time that Aesthetix recognised the issue with the old Mills resisitors and changed over to the Roederstein. The circuitry has not changed as far as I know from inception.

Steve

Hi,

I have an IO Sig with 2 supplies & volume controls. Its just over 2yrs old so the Mills resistor issue is not a concen with my unit.

I run a Koestu RSP which is .2mV and noise, with careful NOS tube selection, has not been an issue in my set up with re-worked Quad ESLs.

I have had a recent problem with one Power-supply failing(for the 2nd time) & am awaiting the tech's response on this. It was a capacitor last time. So while the sound has bested, to my ears, PH7, lamm, steelhead,ART... the verdict is out on reliability. Does anyone have an recent email contact for Jim White directly?

Thanks, Nkj

Nkj

you can reach Aesthetix here:

Aesthetix
5144 N. Commerce Ave Suite A
Moorpark, Ca. 93021
(805) 529-9901

Jim White can be reached at: jwhite@aesthetix.net

Steve

I have owned an IO Signature with one power supply for over a year now and have about 600 hours on this setup. I am running 62db gain with a Benz LP and 1K ohms. I know that after about 30 minutes the IO Sig sounds better then cold, or this could be the accumulative effect of 46 tubes coming to life with the amps and preamp. I have not tried tube rolling and agree with Rushton about the stock Sovtek's having a magical appeal with the IO Signature.

I would be interested in trying the second power supply also. We are in the process of moving into a new build home and I will evaluate the space in the new listening room.

Rushton, I see you went back to the stock tubes. How was the sound of the other tubes in the system?
V/r
Audioquest4life