Andrea’s Burson V4 Opamp with Music Hall 25.2

Published on

Carlos G
March 5, 2015

Post Info

Feedbacks - V4 SS Opamp
Music Hall dac25.2, OPA2134, OPA2604AP

Replaced two OPA2134PA, one OPA2604AP, one NE5532 and tube in my music hall 25.2 DAC

Once installed them, i tested and the sound was really amazing.
I didn’t expect such a great improvement :)

Andrea B.

The System

Listening with

Music Hall 25.2

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

^{[1] [2]}

Also in the system

OPA2134 · Dual operational amplifier

Operating voltage: ±2.5 V to ±18 V (recommended)
Supply voltage: 36 V single-supply absolute maximum
Gain-bandwidth product: 8 MHz typ
Dual or single: dual
Package: SOIC-8; PDIP-8
Quiescent current: 4 mA typ / 5 mA max per amplifier

^[3]

NE5532 · Dual operational amplifier

Operating voltage: ±5 V to ±15 V (recommended)
Supply voltage: ±18 V (absolute maximum)
Unity-gain bandwidth: 12 MHz typ
Dual or single: dual
Package: SOIC-8; PDIP-8; SO-8
Supply current: 6 mA typ / 16 mA max

^[4]

OPA2604

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.