Accustic Arts AMP IV Power Amplifier

Dual-mono reference power amplifier with completely isolated power supply for each amplifier channel
20 selected MOS-FET output transistors of the finest quality
2 magnetically shielded and encapsulated toroidal core transformers of premium quality for the 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
The integrated switch-on current limitation for the 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 used components and parts are selected and of the highest quality
Very high quality, gold-plated bi-wiring/bi-amping speaker terminal
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”

Minimum impedance:
2 Ω

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 kΩ
unbalanced (RCA): 15 kΩ

Rated power output (THD+N = 0,1%):
max. 2 x 810 watts on 2 Ω
max. 2 x 620 watts on 4 Ω
max. 2 x 400 watts on 8 Ω

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 Ω 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 Ω)

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

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