Preamp and DAC Features
- Latest generation 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 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 for MM & MC 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 z
- Bass & treble controls with relay bypass from remote or front panel
- Rear panel IR input and IR loop output jacks
- 12 Volt input and output to triggers
- 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
Power Output - Both channels driven
- (0.05% THD, RMS, 20 Hz - 20 kHz)
- 160 watts x 2 @ 8 Ω
- 240 watts x 2 @ 4 Ω
Power Output - Both channels driven
- (0.9% THD, RMS, 20 Hz - 20 kHz)
- 180 watts x 2 @ 8 Ω
- 270 watts x 2 @ 4 Ω
Current Capacity
Frequency Response
- 10 Hz - 100 kHz, +0/-3 dB
Total Harmonic Distortion (THD)
- < 0.01 %, average listening levels
- < 0.05 %, 160 watts x 2 @ 8 Ω
Interchannel Crosstalk
- > 50 dB at 20 kHz
- > 70 dB at 1 kHz
Signal to Noise Ratio - IHF A-weighted
- Line in: - 103 dB (input shorted)
- Digital in: - 106 dB
Amplifier Damping Factor
Preamp Stage Input Sensitivity
- 300 mV in for 1 V at Pre Out 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: 35 dB / 47 k Ω
- MC: 52 dB / 47 k Ω or 100 Ω
- Input Capacitance: 150 pF
High & Low Pass Crossover Slopes
Supported DAC Sampling Rates
- USB: up to 384 kHz / 32-bit PCM
- DSD Native: DSD 64, DSD 128, DSD 256
- DSD over PCM (DoP) at 384 kHz
- Coax/Opt: up to 192 kHz / 24-bit PCM
Digital to Analog Converter
- ESS Sabre32 Reference ES9018K2M
- 384 kHz / 32-bit
USB 2.0 Controller
- VIA VT1731, 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
Output Impedance
- Unbalanced: 100 Ω
- Balanced: 470 Ω per leg
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
Dimensions
- Depth without cables: 16.25
- Height without feet: 5.25