John’s Burson V4 Opamp with Music Hall dac25.3

Published on

wpadmin
January 6, 2012

Post Info

DIY Audio Project, Feedbacks - V4 SS Opamp

I’m delighted with your discrete opamps which I installed today in my Music Hall DAC 25.3

John.

The System

Listening with

Music Hall dac25.3 · DAC with tube (6922) single-ended output and headphone amp · discontinued

Frequency response: 2 Hz – 20 kHz (±0.2 dB)
Output impedance: 0.3 Ω (headphone)
Output voltage: RCA 2.0 V · XLR 2.0 V (single “output level” figure published)
Inputs: coaxial; optical; AES/EBU (XLR); USB (24/96)
Outputs: RCA (tube); XLR (solid-state balanced); 6.35 mm headphone (4 V max, 0.3 Ω)
DAC / chipset: TI / Burr-Brown PCM1796; TI SRC4192 ASRC (96 / 192 kHz upsampling)
Other: THD+N <0.04% tube / <0.0015% balanced (1 kHz); SNR >110 dB; dynamic range >120 dB (24-bit); crosstalk <-110 dB; <30 W

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Burson

Burson V4 Opamp · Discrete opamp (single / dual) · discontinued

Supply voltage: ±5 V to ±20 V (absolute maximum)
Gain-bandwidth product: 50 MHz (at 100 kHz)
Dual or single: dual and single
Package: dual 40 mm × 16 mm × 20 mm; single 40 mm × 16 mm × 14 mm; 8-pin

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Specs from manufacturer data unless a source below says otherwise. “calc.” values are worked out from those figures (V = √(P × R); 110 dB SPL used as a loud reference level). Gear listed without specs is not in our spec library yet.