Benchmark HPA4 Black

1

Headphone Amplifier

  • Preamplifier with balanced and unbalanced inputs and outputs for high demands
  • With THX Achromatic Audio Amplifier (AAA) technology
  • For a realistic and fatigue-free listening experience
  • Precise 256-step fully balanced relay gain control in 0.5 dB steps
  • 100% Analogue
  • Touch screen for easy access to functions such as balance control, input level offset, input name, dim function, remote, etc.
  • Headphone outputs: 1 x TRS (6.3 mm jack), 1 x XLR (4-pin)
  • THD < -125 dB (0.00006 %)
  • Signal-to-noise ratio: > 135 dB (A-weighted)
  • Frequency response: -3 dB @ 0.1 Hz and 500 kHz
  • Output impedance: close to 0 Ohm
  • Max. output power: 6 W into 16 Ohm
  • Crosstalk: < -133 dB @ 1 kHz, -115 dB @ 10kHz (XLR4)
  • Power requirement (nominal): 100 - 240 VAC, 50 - 60 Hz
  • Protection systems: DC and short-circuit detection, overcurrent, overvoltage and thermal protection
  • IR remote for control with optional Benchmark remote control (art. 501400 - not included in the delivery)
  • Dimensions including feet (W x H x D): 22 x 10 x 21cm
  • Weight: approx. 3.7 kg
  • Colour: Black

Connections:

  • 2x Stereo line input: balanced XLR
  • 2x Stereo line input: unbalanced, Cinch
  • 1x Stereo line output: balanced, XLR
  • 1x Stereo line output: unbalanced, RCA
  • 1x Mono sum output: balanced, XLR
  • 2x Bidirectional 12V trigger connections

Balanced Line Outputs:

  • Distortion factor < -125 dB (0.00006%)
  • Signal-to-noise ratio: 137 dB (A-weighted)
  • Frequency response: -3 dB @ 0.1 Hz and 500 kHz
  • Output impedance: 60 Ohm
  • Maximum input and output voltage: 20 Vrms (+28 dBu)
  • Crosstalk: < -133 dB @ 1 kHz, -116 dB @ 10 kHz
Available since May 2021
Item number 520696
Sales Unit 1 piece(s)
Number of stereo channels 6
Output Level Adjustment Per Channel No
Amount Of Inputs 8
Rack format No
B-Stock from $3,090 available
$3,444
The shipping costs are calculated on the checkout page.
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1

1 Customer ratings

5 / 5

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1 Review

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m
Transparence absolu
myocastor 13.06.2021
Un préamplificateur et amplificateur casques aux mesures superlatives.
Le benchmark s'efface devant la source et saura la magnifier, même si elle coute plusieurs fois son prix!
Construction parfaite, dimensions modestes. Difficile de lui trouver un défaut.
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