Audiophile integrated stereo power amplifier with included headphones amplifier

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POWER III highlights

• Audiophile integrated stereo power amplifier for highest demands with D/A converter and optional phono input
• 12 selected Bipolar output transistors of highest quality
• Encapsulated 600 VA toroidal core transformer of premium quality for stable power supply; separate windings for preamp section and for power amp section
• Double mono design for best sound quality and superior performance
• Integrated, switchable headphones amplifier of premium quality
• Very good smoothing thanks to more than 80,000 µF power supply capacity
• High damping factor for high output reserves
• Integrated protective circuit switches ascents off when clipping, HF oscillations, too high temperature or too high DC offset occurs
• Constant low operating temperature due to generously dimensioned heat sink
• 2 x balanced high level inputs (XLR)
• 3 x unbalanced high level inputs (RCA/Chinch), can be configured as high-level input or “SURROUND-BYPASS” or phono input (input “3”)
• 5 digital inputs; 2 x S/P-DIF; coaxial 192 kHz / 24 Bit, 2 x optical S/P-DIF 96kHz / 24Bit, USB DSD 512 (32Bit/384 kHz for PCM)
• 1 x unbalanced pre-output (RCA/Chinch), configurable as RECORD output or preamp output
• Separate level adjustment for each input
• Premium quality, gold-plated speaker terminals
• Premium quality, long-term stable relays
• Highly accurate microprocessor-controlled volume control
• Full metal housing for optimum shielding
• Front panel made of brushed aluminum; turning knobs/push buttons made of massive and chromed brass
• ACCUSTIC ARTS® remote control RC II
• ACCUSTIC ARTS® POWER III is “Handmade in Germany”

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Specifications

Inputs: 
2 x balanced high level inputs (XLR) 3 x unbalanced high level inputs (RCA/Chinch); 1 x unbal. Input (RCA/Cinch) either as high level input, alternatively as “SURROUND-BYPASS or as phono input (input “3”) 5 x digital inputs; 2 x S/P-DIF; coaxial 192 Khz / 24 Bit, 2 x optical S/P-DIF 96kHz 24Bit, USB: DSD 512 (32 Bit / 384 kHz for PCM)

Headphones output:
1 x metal female jack 6.3 mm; > 25 Ω

Outputs:
1 x unbalanced pre-output (RCA); 47 Ω

Signal difference left/right:
< 0.2 dB (from 0 dB to -20 dB)

Input resistance:
balanced: 2 x 50 kΩ
unbalanced: 50 kΩ

Total transformer power:
max. 600 VA (watts)

Power supply capacity:
more than 80,000 µF

Rated power output (at THD+N = 0.1 %) at 10 watts power output
2 x 510 watts on 2 Ω
2 x 370 watts on 4 Ω
2 x 230 watts on 8 Ω

Rise time / fall time:
34,7 µs with 4 Ω load

Signal to noise ratio:
-97 dBA (ref. 6.325 V) – A weighted

Distortion (THD+N):
< 0,01

Damping factor:
> 200

Crosstalk:
< -80 dB with 1 kHz

Power consumption:
approx. 60 watts (without load)

Dimensions (H x W x D)
145 x 482 x 430 mm / 5.7 x 19 x 17 inches

Weight:
approx. 23.0 kg / 50.7 lbs