Gustard/Audalytic HP70 Fully Balanced Discrete Headphone

Gustard/Audalytic HP70 Fully Balanced Discrete Headphone Amplifier LME49720 Double op-amp (Black)

Gustard/Audalytic HP70 Fully Balanced Discrete Headphone Amplifier LME49720 Double op-amp (Black)

Digital Inputs
RCA Inputs (2 sets) input Sensitivity: Typical 2Vrms, Maximum 3Vrms
Input impedance: 20kΩ
XLR Balanced Input (1 set) input Sensitivity:
Typical +15dBu (5V), Maximum +18dBu(6V)
Input Impedance:10kΩ

Preamplifier Analog Output (Rear XLR) Frequency Response:
20Hz-40kHz(+0.1dB)
Signal-to-Noise Ratio: 122dB
Channel Crosstalk:

  • This fully balanced discrete Class A amplifier utilizes 4 pairs of power transistors to ensure ample driving power and superior control.
  • The preamp utilizes two socketed LME49720 dual op-amps. Preamp output can be disabled for seamless switching between headphone and speaker.
  • Input Stage:Fully balanced topology. Single-ended to balanced conversion circuit allows RCA inputs to benefit from full balanced drive performance.
  • Built-in 30VA low-noise power supply. Also accepts an external 15-18V DC power input.
  • Multi-stage voltage regulation: Lower ripple noise and reduced interference for cleaner audio reproduction.
SKU: B0FZK11XN8
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