Butler Audio Car Audio Multi-Channel, Rated Power, All models share the following features

2-CHANNEL

TDB275TDB2150

75 x 2	RATED POWER	150 x 2
200 x 1	(RMS, 4 Ohms)	500 x 1
5Hz to 100kHz (+/- 1 dB)	FREQUENCY RESPONSE	5Hz to 100kHz (+/- 1 dB)
<0.15%	THD	<0.15%
	(30kHz Bandwidth)
105dB	S/N RATIO (A-Weighted)	110dB
1.8	IDLING CURRENT (Amps)	2.4
.5v to 10.5v RMS	INPUT SENSITIVITY	.5v to 10.5v RMS
10.2 x 2.4 x 13.8	DIMENSIONS (Inches)	10.2 x 2.4 x 17.3
9	WEIGHT (Lbs)	12

All models share the following features:

•ZERO negative feedback. No global negative degenerative feedback loop

•Hand selected/matched 6SL7GT Dual Triode tubes (One [1] per channel)

•Fully regulated Tube Heaters, with Delayed Soft Start (10-15 seconds)

•Massive (400% oversize) internal/external Heat Exchanger

MULTI-CHANNEL

TDB475 TDB575

75 x 4 (4 CH)	RATED POWER	75 x 5 (5 CH)
200 x 2 (2 CH)	(RMS, 4 Ohms)	* See below
5Hz to 100kHz (+/- 1 dB)	FREQUENCY RESPONSE	5Hz to 100kHz (+/- 1 dB)
<0.15%	THD	<0.15%
	(30kHz Bandwidth)
105dB	S/N RATIO (A-Weighted)	105dB
3.5	IDLING CURRENT (Amps)	3.9
.5v to 10.5v RMS	INPUT SENSITIVITY	.5v to 10.5v RMS
10.2 x 2.4 x 20.5	DIMENSIONS (Inches)	10.2 x 2.4 x 21.7
14	WEIGHT (Lbs)	17

All models share the following features:

•Musical, warm and dynamic, rivaling “all-tube” single-ended home audiophile amplifiers

•4 Ohm Stereo and 2 Ohm Mono stable

•Frosted Platinum finish

•Tube Illumination: Internal BLUE LED’s (Trademark and Patent Pending)

Due to continuing product development, all features and specifications subject to change without notice. * All 5 channels are discrete and are non-bridgeable