XM HP Headphone Amplifier


 

 

Features

  1. Custom-made toroidal power transformer
  2. High quality all aluminium casework and extruded front panel
  3. High quality resistors & capacitors used in the signal path
  4. All discrete audio output stage with high drive capability for low impedance headphones
  5. 2 pairs of 6.35mm jacks and 2 pairs of XLR sockets allowing 2 pairs of headphones to be used at one time
  6. Moving magnet phono and two line level inputs
  7. Two coax (bnc) and two optical inputs and one class 2 USB input with DSD
  8. Separate pre-amp output
  9. Remote control
  10. Available in black or titanium


Specifications

Analogue Inputs

Phono amplifier (input sensitivity / impedance / S/N):

AUX/PH input MM : 2.5mV @ 1KHz, 47K ohms S/N > 73dB

Frequency Response : +/-0.5dB 50Hz-20KHz. High pass roll off -1.5dB @ 20Hz

AUX 2 & AUX 3 input line : 350mV @ 1KHz > 14K ohms output gain x3.75, +11.5dB

Total Harmonic Distortion : <0.005% at 1KHz : @ 1.3V RMS output

Frequency Response : 20Hz - 20KHz +/- 0.5dB

Signal to Noise Ratio ref 1.3V RMS Output : 1KHz >92dB

Channel Separation @ 20KHz : >60dB

 

Digital Inputs

SPDIF inputs BNC Coax & Optical : 32 - 192KHz @ 16-24 bits

Total Harmonic Distortion : <0.005% at 1KHz @ 1.3V RMS output

Signal to Noise Ratio ref 1.3V RMS Output : 1KHz : >98dB

USB input : Linear PCM 44K1 - 192KHz @ 16-24 bits DSD x64 (DoP) Asynchronous transfer from host

 

Headphone Output

Output Impedance : < 5 ohms

Maximum Level into 33 ohms load : @ 1KHz & 0.01% THD : 7V RMS (1.5W)

Total Harmonic Distortion : @ 2V output, 1KHz : <0.003% (120mW)

Maximum Level into 330 ohms : @ 1KHz & 0.01% THD : 7.5V RMS (170mW)

Total Harmonic Distortion : @ 2V output, 1KHz : <0.003% (12mW)

Load Impedance total all outputs : 16 ohms minimum

 

General Specifications

Mains Supply : 110/120V or 220/240V @ 50/60Hz (factory set)

Power Consumption : <15W

Dimensions (WxHxD) : 218mm x 89mm x 363mm (inc knob)