In comparison with Einstein's The Poweramp there is not much of a quality difference, the sonic discrepancies linger in the range of nuances: The Poweramp performs a touch faster and minimally warmer, whereas the Accustic Arts manage to open up a soundstage at least as large and open, if not more widely spaced. The solid-state monos also indulge with minimal more pressure and control in the lows, but the temperature in the recording room seems to be one or two degrees lower. As you can guess it, this is about very subtle matters of taste. Far less subtle are the differences in power rating that the Mono II and Einsteins are able to offer. I must say, I am perfectly happy with both!
Listened with
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Reel-to-reel tape recorder | Studer A80 |
Turntable | Brinkmann LaGrange with tube power supply |
Tonearms | Thales Simplicity, AMG 12JT Turbo, Einstein The Tonearm |
Cartridges | Lyra Olympos and Etna, Einstein The Pickup |
Phono preamp | Einstein The Turntable‘s Choice (balanced) |
NAS | Melco N1ZH/2, WDMyCloud |
Streaming Bridge | Auralic Aries Femto with SBooster BOTW P&P Eco |
D/A converter | Chord DAVE |
Preamp | Einstein The Preamp |
Power amps | Ayon Epsilon with KT150 tubes, Einstein The Poweramp |
Loudspeakers | Kaiser Acoustics Kawero! Classic |
Cables | HMS Gran Finale Jubilee, Swiss Cables Reference Plus, Goebel High End Lacorde, Habst Ultra III, Audioquest Diamond and Carbon, Cardas Audio Clear Network |
Accessoires | PS Audio Power Regenerator P5, Clearaudio Matrix, Sun Leiste, Audioplan Powerstar, HMS wall sockets, Acapella Bases, Acoustic System Feet and Resonators, Artesania Audio Esoteryc, Harmonix Real Focus, Room Tuning Disks, Tuning Tips and TU-666M, Audio Exklusiv Silentplugs |
Manufacturer's Specifications
Accustic Arts Mono II
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Voltage gain | 31,0 dB |
Transformer rating | max. 1200 VA (watts) |
Filter capacity | approx. 80,000 μF |
Input impedance | 2 x 20 kΩ (balanced, XLR), 100 kΩ (un-balanced, RCA) |
Output power | max. 700 watts at 2 Ω, max. 500 watts at 4 Ω, max. 300 watts at 8 Ω |
Rise/fall time | 3,0 μs at 4 Ω load (square wave 20 kHz/12 Vss) |
Crosstalk attenuation | 111 dB at 1 kHz |
Signal-to-noise ratio | -104 dBA (at 6,325 V) |
Intermodulation distortion | 0,007 % at 10 watts/4 Ω |
Harmonic distortion (THD+N) | 0,0012 % at 4 Ω load (1 kHz/10 Watt) |
Power consumption | approx. 100 watts (in standby mode) |
Dimensions (H/W/D) | 350/240/430 mm |
Weight | approx. 25 kg |
Price | 16,000 euros |
Manufacturer
ACCUSTIC ARTS Audio GmbH
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Address | Hoher Steg 7 74348 Lauffen Germany |
Phone | +49 7133 974770 |
info@accusticarts.de | |
Web | www.accusticarts.de |
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