Audio Alchemy Headphone Amplifier v1.0 with Power Station Three upgrade

Collectors Item. Back in the day Audio Alchemy garnered much attention and a well deserved reputation of producing high quality products at affordable prices. The highly regarded Headphone Amplifier v1.0 was one of those products.
Very highly regarded with the standard Power Station One it became a giant-killer with the addition of the Power Station Three.
I have owned these since I purchased them NEW back in the mid-90's. I used them extensively for many years but they have just been hiding in a drawer for the past several years. They show some wear and the casework on the amplifier itself has changed color slightly - almost a purple color in some lighting (this was common with many Audio Alchemy products). The crossfeed Process on/off button does not engage properly. To hear the benefits of the crossfeed feature (think Headroom) you must keep your finger on the button. I am sure it would be a quick fix for someone with the know-how and inclination to do so.
This is a powerful amp, able to reach very high clean decibels...and it runs hot!
Rating it a 7/10 due to age and used appearance (remember the fading or discoloring of the case). Lettering is still perfect - no scratches except for a couple small ones on the Power Station Three which is usually out of sight anyway.