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The foundation of the No585 is its fully discrete, mirror-imaged, dual-monaural analog circuitry featuring individual signal switching relays for each of its four stereo inputs: one XLR and three RCA. Volume controls use discrete 15-bit R-2R ladders and low-noise analog switches for the widest possible bandwidth and maximum signal integrity. The fully-differential Class AB power stage includes an oversized 900VA toroidal transformer with individual secondary windings for the left and right channels. Each elegantly simple amplifier channel utilizes twelve output transistors and multiple smaller local capacitors that allow them to be placed physically closer to the amplifiers for greater transient response when power is needed immediately. This robust architecture results in a conservative power rating of 200W per channel with stability into 2 ohms. System integration and expansion are possible using the stereo RCA preouts which can operate full-range or with an included switchable, second-order, 80Hz crossover filter allowing for seamless integration into 2.1-channel systems with powered subwoofers.
Description
Nº585 Integrated Amplifier
Frequency Response
20Hz – 20kHz, ±0.13dB; 2Hz – 250kHz, +0.2dB/–3dB
Input Impedance
>45k Ω (RCA & XLR)
Maximum output level
200W RMS per channel @ 8 Ω, 20Hz – 20kHz
Signal-to-Noise Ratio
>98dB (20Hz – 20kHz, unweighted); >103dB (20Hz – 20kHz, A-wtd), referred to full output – maximum volume setting
Total Harmonic Distortion (THD)
< 0.01% @ 1kHz, 200W, 8 Ω; < 0.1% @ 20kHz, 200W, 8 Ω
Gain
40.7dB (maximum volume setting)
Power Requirements
100V AC, 115V AC, or 230V AC (factory-set)
Height
6.9" (175mm) – without feet; 7.59" (193mm)
Width
17.25" (438mm)
Depth
19.95" (507mm)
Weight
72 lb (32.6kg) – net; 96 lb (43.4kg) – with packaging
Damping Factor
>40 @ 20Hz, referred to 8 Ω
Amplifier Power
200W RMS per channel @ 8 Ω, 20Hz – 20kHz
Analog Audio Connectors
3 pairs single-ended inputs (RCA); 1 pair balanced inputs (XLR); 1 pair single-ended line outputs (RCA); 1 pair loudspeaker outputs ("Hurricane" binding posts w/banana sockets that accept spade lugs with 1/4" (6.3mm) spacing up to 1/8" (3mm) thick)
Digital Audio Connectors
1 balanced AES/EBU input (XLR); 2 coaxial S/PDIF inputs (RCA); 2 optical inputs (Tos-Link); 1 asynchronous USB input (USB-B)
Control Connectors
1 RS-232 port (RJ-12 connector); 1 IR input (1/8" phone jack); 1 programmable 12V DC trigger output (1/8" phone jack), 100mA maximum; 1 programmable 12 DC trigger input (1/8" phone jack); 1 Ethernet port (RJ- 45 connector)
Power Consumption
Maximum 1000W (power on)
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