(2) PHASS Hybrid Tube Amps.
Both were sent to Gordon Taylor at Amp Doctor and received full Gold Package upgrades.
input caps Upgrade to Low ESR 4700uF types
Rail caps: Upgrade from 2200uF to 4700uF x 6 - better midbass 'weight'
Input chips: OP275 x 2 upgrade to LME49720, uPC4072 x 2 to LME49880
Drivers to be upgraded and mounted to heatsink. Bias sensor moved to contact output devices.
Bias adjusters fitted and bias optimised using analyser.
Re x 8 reduced to 0r15 5WS so amp makes rated power into 2 ohms.
Modifications costs for both amps $450 including shipping and VAT
these are amazing sounding amplifiers.
As with any Class A or similar designed amp, these will run hot.
Amps were used for past few months in my competition car.
being a Sound Quality competitor, I need to change to something with better support for competitors.
my loss is your gain.
*also comes with the original tubes and some extra tubes
$1000ea shipped CONUS
$1900 Shipped Package deal
need to sell ASAP