ACCUSTIC ARTS® PREAMP III PHONO – Audiophile reference preamplifier

PREAMP III PHONO highlights

  • Audiophile reference preamplifier
  • Fully balanced circuit design from input to output
  • High end Class A output stage
  • New with high resolution display
  • All used components are of outstanding quality (e.g. Burr Brown® OPA 627) and additionally selected; all relays have high quality gold-plated contacts
  • New 4-channel digital volume control for best crosstalk
  • All relays have high quality gold-plated contacts
  • 3 x fully balanced high level inputs (XLR) and 2 x unbalanced high level inputs (RCA)
  • 1 x unbalanced input (RCA) configured as “SURROUND-BYPASS”
  • 2 x fully balanced outputs (XLR) – 1 x AC coupled, 1 x DC coupled
  • 2 x unbalanced outputs (RCA) – 1 x AC coupled, 1 x DC coupled
  • 1 x headphone output, switchable (1/4″ stereo female jack)
  • 2 x unregulated, switchable output for the connection of an external headphone amplifier (1 x RCA/ Chinch), 1 x (XLR) Phase switch for 0° and 180°
  • 1 magnetically shielded, encapsulated 50 VA toroidal core transformer („Made in Germany“) of premium quality for high output reserves
  • Front panel, cover are made of massive and solid aluminium; turning knobs are made of massive and chromed brass
  • ACCUSTIC ARTS® PREAMP III PHONO is “Handmade in Germany”

Specifications

Inputs:
3 x fully balanced high level inputs (XLR)
2 x Hochpegel, unsym. (RCA/Cinch)
1 x unbalanced high level input or surround bypass (RCA/Cinch)

Outputs:
2 x fully balanced line-out (XLR)
2 x unbalanced line-out (RCA)
1 x unbalanced fixed out (RCA/Chinch)
1 x unbalanced out (XLR)
1 x headphone output (1/4″ stereo female jack)

Frequency response:
DC – 120 kHz (+0 dB / -0.5 dB)

Signal difference left/right:
< 0.2 dB (from 0 dB to -60 dB)

Crosstalk attenuation L ↔ R:
> 102 dB

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

Output resistance:
balanced: 2 x 50 Ω
unbalanced: 50 Ω
AC coupled with 3.3 µF

Max. output voltage:
11 Veff

Signal-to-noise-ratio:
-96 dB (unweighted)
-100 dB (A weighted)

Distortion (THD+N):
< 0,002%

Power consumption:
approx. 12 watts

Dimensions (H x W x D):
128 x 482 x 393 mm / 5.0 x 19 x 15.5 inches

Weight:
14.5 kg / 32.0 lbs.


Phono

Input capacitance MM:
50 pF – 425 pF (selectable in 25 pF-steps)

Input impedance MC:
47 W, 100 W, 220 W, 470 W (selectable)

Signal-to-noise-ratio MM:
-84 dB (A-weighted, referred to 775 mV)

Signal-to-noise-ratio MC:
-75 dB (A-weighted, referred to auf 775 mV)

Total harmonic distorsion (THD+N) MM:
0.007 % (referred to 775 mV bei 1 kHz)

Total harmonic distorsion (THD+N) MC:
0.04 % (referred to 775 mV bei 1 kHz)