Gustard/Audalytic HP70 Fully Balanced Discrete Headphone
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.
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Tags: AMPLEMultiPortalRCAStrong
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