Replaced all 9 opamps ( NE5532 and eight OPA 2134PA). Microdynamics and subtle details suddenly appear. Soundstage and scale improved. The overall sound is more holographic. Treble extension improved and sweeter. Bass is more controlled and greater texture. Really happy with the Burson Discrete opamps upgrade.
The System
Listening with
Primare PRE30 · Preamp: balanced two-channel line preamplifier (discrete MOSFET stage) · discontinued
- Frequency response: DC – 100 kHz (±0.1 dB)
- Output impedance: not published
- Gain: 16 dB; per-input sensitivity adjust -20 to +20 dB
- Inputs: 2x XLR; 5x RCA
- Input impedance: not published
- Input sensitivity: 0.56 V (balanced); 0.28 V (line)
- Outputs: 1x XLR; 2x RCA; tape / record out; 5 V trigger
- Other: THD <0.01%; S/N -118 dB; crosstalk -113 dB; surround bypass; 9.5 kg
[1]
Burson
Burson V6 Opamp · Discrete opamp (single / dual)
- Supply voltage: ±3 V min, ±15 V typ, ±17 V max (absolute maximum ratings table)
- Gain-bandwidth product: 52 MHz (at 100 kHz)
- Dual or single: dual and single (quiescent current 8 mA single and 16 mA dual, at ±15 V)
[2]
Also in the system
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
[3]
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
[4]
