Unison Research

Unison Research SH amplifer hifi cuffia valvole EL34 Dac Classe A USB stereo hifi

List price: € 1600.00

Phone 0039 041 4568360 |

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Unison Research SH amplifer hifi headphone EL34 Dac Class A USB stereo hifi
Research Unsison SH is a single-ended class A, Headphone amplifier with tube circuit Two-stage, with passive volume control.
internal DAC with USB input, making it perfect for SH headphone listening of the liquid music.
Asynchronous USB, USB 2.0 compatible Audio Class PCM up to 384kHz and DSD up to 128
Resolution 32 bit ESS Sabre DAC ESS ES9010K2M jitterIsolamento No galvanic isolation between interface and Dac
Clock with low phase noise
110dB SNR (at 1kHz, weighed \“A\”, 192kHz) 0.008% THD + N (at 1kHz, -3dBFS)

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  • Unison Research SH amplifcatore hifi cuffia valvole EL34 Dac Classe A USB stereo hifi

Technical features:

Maximum output voltage 1% THD:
Output High sensitivity: 0.5 V to 150 ohms, 12:45 V on 33 ohm, 10 ohm 0.4 V
low sensitivity output: 1.4 V at 150 ohms, 33 ohms at 1.1 V, 0.6 V to 10 ohms
Frequency range: -0.1 dB @ 10 Hz / 3-dB @ 50 kHz (output "Low sensitivity" of 33 ohms)
Input impedance: 20 kilohms // 100 pF
Sensitivity: 0.67 V input for 0:33 V output (output "High sensitivity", 10 ohms) 0.67 V input to 1 V output (output "Low sensitivity", 33 ohms)

input stage: Pure Class A, ECC83 / 12AX7

Output Stage: Class A, EL84 connected in triode
Inputs: 1 RCA line, 1 USB
Outputs: 2 in parallel
Feedback factor: 16 dB
Output Impedance: 6.9ohm.
Damping factor: 3 of 20 ohms
THD: <0.2% @ 1kHz, 0.5V, <0.8% up to 1 V (Output "Low sens." About 33 ohms)
Consumption: 45 W
Dimensions: 22.5 x 12.6 x 32.2 cm
Weight: 6 kg