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XM7 Preamplifier

 
 
 

The Exposure XM7 preamp offers a built-in moving magnet phono stage and DAC, meaning you can use it with both digital and vinyl set-ups. The DAC has five inputs, plus a fixed-gain home theatre input and two headphone outputs and you can also bi-amp, thanks to the two pre-amp outputs. While the XM7 can be partnered with a wide range of power amplifiers or active speakers, it is particularly suited to Exposure’s new XM9 mono power amps. 

£1,550

 
 
 

Key Features

  • Large 200VA custom-made toroidal power transformer for a cleaner sound quality compared with switch-mode power supply

  • High quality all aluminium casework and extruded front panel

  • High quality resistors & capacitors used in the signal path for a superior dynamic performance

  • Audio output stages use discrete transistors

  • High quality relays used for input selection

  • 3.5mm & 1/4" headphone outputs selectable by a switch at the back

  • Moving magnet phono input, fixed level AV input and one line level input

  • Two coax ( bnc) and two optical inputs and one class 2 USB input with DSD

  • 2 pairs of pre-amp outputs for bi-amping or sub woofer

  • Remote control

  • Three year guarantee

Product Specifications

Analogue Inputs

Pre Amplifier Output (input sensitivity / impedance / S/N):

  • AV input fixed level : 450mV @ 1KHz > 12K ohms S/N > 95dB

  • 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 input line : 350mV @ 1KHz > 14K ohms S/N 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 RSM Output : 1KHz : >98dB

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

Headphone Output

  • Maximum Level into 33 ohms : @ 1KHz & 0.1% THD : 5V RMS

  • Output Impedance : 10 ohms

  • Total Harmonic Distortion : @ 2V output, 1KHz : <0.03%

  • Maximum Level into 330 ohms : @ 1KHz & 0.1% THD : 8V RMS

  • Total Harmonic Distortion : @ 2V output, 1KHz : <0.01%

General Specifications

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

  • Power Consumption : <25W

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

  • Net Weight (unpacked) : 5kg

  • Gross Weight (packed) : 6kg