Accustic Arts AMP IV - Reference Class Power Amplifier

Accustic Arts bring to market a true Reference Level Stereo Power Amplifier that redefines what is achievable in the segment.

A sonic that is both gloriously rich, deep and organic, mated to the perfect balance of dynamic drive and energy and just the most staggeringly holographic soundstage that has ever graced the design studios in Lauffen, Germany.

This is Accustic Arts new benchmark in Stereo Power Amplifier performance circles........

AMP IV highlights

• Dual-mono reference power amplifier with completely isolated power supply for each amplifier channel
• 20 selected MOS-FET output transistors of the very finest quality
• 2 magnetically shielded and encapsulated toroidal core transformer of premium quality for highest output reserves
• Optimum smoothing thanks to more than 160,000 µF power supply capacity; premium quality capacitors (Made in Germany)
• Very high damping factor for perfect speaker control
• ACCUSTIC ARTS® damping factor linearization (switchable)
• Professional protective circuit against clipping, HF oscillations and too high DC offset
• Integrated switch-on current limitation for highest operational safety
• Constant low operating temperature due to generously dimensioned heat sinks
• Balanced Input (XLR) and unbalanced input (RCA) the inputs are switchable
• All components and parts used are very carefully selected and of the very highest quality
• Exceptionally high quality, gold-plated bi-wiring/bi-amping speaker terminals
• WBT loudspeaker terminals
• Extremely stable and resonance optimized, massive aluminium housing; inlay made of massive, high gloss polished and chromed brass
• ACCUSTIC ARTS® AMP IV is Handmade in Germany

AMP IV  Specifications

Minimum impedance:

• 2

Voltage gain:

• 25.0 dB

Power consumption without load:

• approx. 120 watts

Power supply capacity:

• approx. 160,000 µF

Input impedance:

• balanced (XLR): 2 x 16 k
• unbalanced (RCA): 15 k

Rated power output (THD+N = 0,1%):

• max. 2 x 810 watts on 2
• max. 2 x 620 watts on 4
• max. 2 x 400 watts on 8

Inputs:

• 2 x RCA (unbalanced)
• 2 x XLR (balanced)

Loudspeaker connectors:

• 4 pair WBT terminals

Crosstalk:

• 109 db with 1 kHz

Signal to noise ratio:

• -103 dBA (ref. 6,325 V)

Distortion (THD+N):

• 0.003 % on 4 load at 1 kHz and 10 watts

Idle current:

• approx. 300 mA

Frequency response:

• 10 Hz 50,000 Hz (+0/-0.5 dB) (at 10 watts on 4 )

Dimensions (H x W x D)

• 340 x 470 x 440 mm / 13.4 x 18.5 x 17.3 inches

Weight:

• approx. 44 kg / 97 lbs
• + 12 kg / 27 lbs flight case