Now listed on Audiogon with reduced price.
http://cgi.audiogon.com/cgi-bin/cl.pl?ampstube&1192640778&itemThe 30W Antique Sound Lab AQ 1003DT has garnered much praise, but by applying quite a few very targeted modifications Bill Baker of Response Audio has taken it to a much higher level. This amp was purchased by the original owner in Aug 2005 and has over $1500 in mods including Bybee quantum purifiers on the B+ and Audio Points, as well as:
AQ 1003 DT Reference Modifications
* Coupling capacitors replaced with Teflon V-Cap Reference Grade capacitors (x4 pieces)
* Innerstage coupling capacitors replaced with Audience AuriCaps (x6 pieces)
* SoniCap high voltage capacitors used for power supply bypass
* Japanese Riken Ohm Carbon resistors used in grid stop locations (x4 pieces)
* Japanese Riken Ohm Carbon resistors used in screen grid locations (x4 pieces)
* Dale/Vishay 1 watt non-magnetic Metal Film resistors used throughout the signal path
* Mills 12 watt non-inductive resistors used for output tube emitter/cushion resistors
* Fairchild "Ultra Fast - Soft Recovery" rectifying diodes are utilized in the rectifying stage of the power supply.
* All internal wiring replaced with our 22 awg copper wiring. We re-route all signal wiring to provide the shortest path possible. (10+ feet)
* Biased then bench tested for 2 hours
* Minimum 12 hour burn-in
* Labor 6 hours
Included tubes are matched quad of JJ blue-glass cryo-treated EL-34's. (These are fantastic!) and EH 12AU7's. 30 watts, starts out in Class A, this is pentode PP. Extremely fast, clear and accurate sound, wonderfully musical with plenty of richness and bass slam.
$950, plus shipping