I have a Butler TD475. Made by Phaze audio. Amp is very clean, Works like it was new, only nicks on it is on the side where the terminals are(check out the pics) Very good quality amp, sounds very nice and warm .Lets start at $400 shipped and insured.
Specs from a Foreign website http://www.sound-abc.com/Tube%20Dirver%20TD475.html
..................................ZERO negative feedback. No global negative degenerative feedback loop
............................................................................................Open Ended Audiophile Circuitry
.....Musical, warm and dynamic, rivalling "all-tube" single-ended home audiophile amplifiers
..................................................Hand selected/matched Twin Triode tubes(One per channel)
..................Fully regulated Tube Heaters with Delayed Soft Start(10-15 second turn-on delay)
..............................................................Load Adaptive Vacuum Tube Driven output circuitry
Massive (400% oversize) internal/external Heat Exchanger with Temperature-controlled Fan Cooling
..................................................................................Tightly regulated MosFET Power Supply
............................................................................DC fault / Short Circuit Protection Circuitry
..........................................................Dual Color Diagnostic LED: Green=Normal / Red=Fault
....................................................................Gold Plated RCA, Power and Speaker Connectors
.......................................................................................................Brushed Aluminum finish
.......................................................................................................................Patented Design
..........................................................................................Concept & Design: BK Butler / USA
Specifications:
Rated Power (all channels driven).............................4 x 75 Watts RMS per channel @ 4 ohms
..................................................2 x 75 Watts RMS and 1 x 200 RMS @ 4 Ohms simultaneously
...................................................................2 x 200 Watts RMS Bridged (2-channel) @ 4 ohms
..........................................................................................2-Ohm Stereo, 4-Ohm Mono Stable
...................................................................................Freq response: 5Hz to 100kHz (+/- 1dB)
THD..............................................................................................
S/N Ratio................................................................................................>105dB (A-Weighted)
Idling Current............................................................................................................3.5 Amps
Input Sensitivity............................................................................................0.450v - 12v RMS
Fuses.......................................................................................................................2x30A ATC
Specs from a Foreign website http://www.sound-abc.com/Tube%20Dirver%20TD475.html
..................................ZERO negative feedback. No global negative degenerative feedback loop
............................................................................................Open Ended Audiophile Circuitry
.....Musical, warm and dynamic, rivalling "all-tube" single-ended home audiophile amplifiers
..................................................Hand selected/matched Twin Triode tubes(One per channel)
..................Fully regulated Tube Heaters with Delayed Soft Start(10-15 second turn-on delay)
..............................................................Load Adaptive Vacuum Tube Driven output circuitry
Massive (400% oversize) internal/external Heat Exchanger with Temperature-controlled Fan Cooling
..................................................................................Tightly regulated MosFET Power Supply
............................................................................DC fault / Short Circuit Protection Circuitry
..........................................................Dual Color Diagnostic LED: Green=Normal / Red=Fault
....................................................................Gold Plated RCA, Power and Speaker Connectors
.......................................................................................................Brushed Aluminum finish
.......................................................................................................................Patented Design
..........................................................................................Concept & Design: BK Butler / USA
Specifications:
Rated Power (all channels driven).............................4 x 75 Watts RMS per channel @ 4 ohms
..................................................2 x 75 Watts RMS and 1 x 200 RMS @ 4 Ohms simultaneously
...................................................................2 x 200 Watts RMS Bridged (2-channel) @ 4 ohms
..........................................................................................2-Ohm Stereo, 4-Ohm Mono Stable
...................................................................................Freq response: 5Hz to 100kHz (+/- 1dB)
THD..............................................................................................
S/N Ratio................................................................................................>105dB (A-Weighted)
Idling Current............................................................................................................3.5 Amps
Input Sensitivity............................................................................................0.450v - 12v RMS
Fuses.......................................................................................................................2x30A ATC




