Preamp and DAC Features:
- ESS Sabre32 Reference DAC (ES9018K2M)
- Asynchronous USB 2.0 supports PCM up to 384kHz/32-bit
- USB input decodes Native DSD64, DSD128, DSD256 and DoP DSD
- Coax and optical inputs accept PCM up to 192kHz/24-bit
- Analog bass management with high & low pass crossovers
- Home theater bypass input for surround sound integration
- Front panel subwoofer level control
- Dedicated high current headphone amplifier (TI TPA6120)
- Phono input for MM, MC and MI with 100 Ω or 47k Ω load
- Front panel Aux input with automatic +12 dB gain stage
- 5 pairs RCA line level Analog inputs
- 1 pair XLR balanced Analog input
- Balanced XLR and RCA left and right preamp outputs
- 1 balanced XLR and 2 RCA subwoofer outputs
- Bass & treble controls with relay bypass from remote or front panel
- Rear panel IR input and IR loop output jacks
- 12 Volt trigger output
- Back-lit remote control with discrete buttons
- 0.5w standby power consumption meets Energy Star & EU specs
Power Amp Features:
- 160 Watts x 2 @ 8 Ohms (RMS, both channels driven)
- 240 Watts x 2 @ 4 Ohms (RMS, both channels driven)
- Power amp circuit topology designed by legendary John Curl
- Direct amplifier input to bypass preamp section
- High bias class A/AB operation
- Oversized shielded toroid power transformer
- Dual-mono power supply and power amplifier
- 40,000uF power supply filter capacitance
- Matched JFET input stages and MOSFET driver stages
- 12 high voltage/high current bipolar output transistors
- Heavy-duty 24k gold-plated 5-way speaker binding posts
- Over temp and short circuit relay protection
Specifications:
Power Output - Both channels driven | (0.9% THD, 20 Hz - 20 kHz) 180 watts x 2 @ 8 Ω RMS 270 watts x 2 @ 4 Ω RMS |
Current Capacity | 45 amps peak per channel |
Frequency Response | 10 Hz - 100 kHz, +0/-3 dB 20 Hz - 20 kHz, +0/-0.5 dB |
Total Harmonic Distortion (THD) | < 0.01 %, average listening levels < 0.05 %, 160 watts x 2 @ 8 Ω |
Interchannel Crosstalk | > 70 dB at 20 kHz > 78 dB at 1 kHz |
Signal to Noise Ratio - IHF A-weighted | Line in: - 103 dB (input shorted) Digital in: - 106 dB |
Amplifier Damping Factor | > 800 at 20 Hz |
Preamplifier Stage Input Sensitivity | 300 mV in for 1 V at Preamp Output jacks Total Preamp Stage Gain: 10 dB Max Output Unbalanced: 7 V Max Output Balanced: 9 V |
Power Amplifier Stage Sensitivity | 1 V at Bypass/Amp In for 28 V at Speaker Out Total Amp Stage Gain: 28 dB |
Phono Stage Sensitivity / Input Impedance | MM: 41 dB / 47 k Ω MC: 54 dB / 47 k Ω or 100 Ω |
High & Low Pass Crossover Slope | 12 dB per octave |
Supported DAC Sampling Rates |
USB: up to 384 kHz / 32-bit PCM Coax/Optical: up to 192 kHz / 24-bit PCM |
Digital to Analog Converter | ESS Sabre32 Reference ES9018K2M 384 kHz / 32-bit |
USB 2.0 Controller | Savitech SA9227, 384 kHz / 32-bit |
Headphone Amplifier | Texas Instruments TPA6120A Output Impedance 10 ohms |
XLR Pin Identification | 1 = Ground (Shield) 2 = Positive 3 = Negative (Return) |
Input Impedance | Unbalanced: 24 k Ω Balanced: 100 k Ω per leg |
Preamplifer Output Impedance | Unbalanced: 100 Ω Balanced: 470 Ω per leg |
Dimensions | Width: 17-1/4" (437 mm) Depth: 16-1/4" (413 mm) Depth, with cables 17-1/4" (437 mm) Height, with feet: 5-7/8" (150 mm) Height, without feet: 5-1/4" (133 mm), 3U |
Net Weight | 33 lb. (15 kg) |
Shipping Weight | 45 lb. (20.4 kg) |
Power Requirement | Standby: 0.5 watts Idling power: 70 watts Maximum: 750 watts 110-125 VAC 60 Hz or 220-250 VAC 50 Hz AC mains voltage is set on rear panel |