accustic arts amp1


PREAMP I-MK3 highlights

Fully balanced premium preamplifier with professional extremely low distortion Class A
output stage using technology derived from studio engineering

Premium quality ICs: selected Burr Brown® OPA 627 and OPA 2107 only

Magnetically shielded and encapsulated 75 VA toroidal core transformer of premium quality
for high output reserves

Circuit topology optimized for very short signal paths

Extremely low distortion spectrum; e.g. K2=0.00007 %

3 x fully balanced inputs (XLR)/2 x unbalanced input (RCA)

1 x unbalanced input (RCA) configured as „SURROUND BYPASS“

2 x fully balanced outputs (XLR) e.g. for „Bi-Amping“ configurations

1 x unbalanced output (RCA) e.g for a separate subwoofer (active)

Premium quality relays and a premium quality switch with gold-plated silver contacts
for the input selection

Encapsulated high grade volume potentiometer

Fully aluminium-made remote control

Full metal housing for optimum shielding

ACCUSTIC ARTS® PREAMP I-MK3 is „Handmade in Germany“

TECHNICAL DATA

Inputs: 3 x fully balanced high level inputs (XLR)
2 x unbalanced high level input (RCA)
1 x unbalanced input (RCA) as „SURROUND BYPASS“
   
Outputs: 2 x fully balanced line-out (XLR)
1 x unbalanced line-out (RCA)
   
Maximum gain: balanced: 3.7-times / +11.4 dB
unbalanced: 3.5-times / +10.8 dB
   
Signal difference left/right: < 1.2 dB (from 0 dB to -40 dB)
   
Input resistance: balanced: 2 x 50 kT; unbalanced: 50 kΩ
   
Output resistance: balanced: 2 x 34 T; unbalanced: 34 Ω
   
Crosstalk: > 100 dB (1 kHz)
   
Signal to noise ratio: -103 dB (ref. 500 mV/potentiometer turned to left)
   
Distortion (THD+N): 0.0007 % with 1.6 Veff on 10 kT (22 Hz – 22 kHz)
   
Dimensions (H x W x D): 100 x 482 x 375 mm/3.9 x 19 x 14.8 inches
   
Weight: 10 kg/22 lbs

 


 

Einstein The Absolute TuneThe sonic signature is determined by the valve input stage and entirely independent of playback levels. ‘The Absolute Tune’s persuasivenes rests squarely on explosive speeds, finely nuanced microdynamics and unmitigated transparency.

2004: The image hifi Award 2004 in the category Integrated Amplifiere goes to Einstein for The Absolute Tune

Accustic Arts AMP II-AC MK II  (Balanced)Hong Kong HiFi Review 03/01:
ACCUSTIC ARTS AMP II-AC - Product of the Year Award
Japan Audio Accessory No. 104:
ACCUSTIC ARTS AMP II-AC H.P. - Best HiFi Components Award
Japan HIVI Magzine 07/2002:
ACCUSTIC ARTS AMP II-AC H.P.- Best Buy Award 2002
Japan Stereo Sound 11/2002:
ACCUSTIC ARTS AMP II-AC H.P. - Audio Excellence Award 2003

Boulder 810 Preamplifier Like its predecessors, the 810 Stereo Preamplifier features balanced, dual-mono, three-stage instrumentation-style circuitry. This eliminates any trace of noise, distortion, or impedance issues that may affect the delicate audio signal. Musical dynamics and detail emerge effortlessly from a black and silent background. Images are superbly defined and separated with a wealth of revealed low-level information.

Accustic Arts AMP IIt should be obvious by now that when it comes to treble performance; I regard
the Power 1 as the bee's knees particularly for a solid-state amplifier. In this regard, it is perhaps the best I've ever used. It illuminated treble details as no other amplifier I've heard,...
...Through the midrange, the Power 1 was as transparent as just about any amplifier I recollect ever hearing...


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