Dmitry’s Burson V6 Opamp with Sennheiser RS180, Shure SRH840 and Shure SRH1840

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Great sound. When replacing operational amplifiers, the sound became even better.

The System

Listening with

Sennheiser RS180
Shure SRH840
Shure SRH1840 · Headphones: open-back, dynamic (40 mm neodymium, matched), circumaural
  • Impedance: 65 Ω
  • Sensitivity: 96 dB/mW (@ 1 kHz) ≈ 107.9 dB/V (calc.)
  • Frequency response: 10 Hz – 30 kHz
  • Plugs / cables supplied: dual-exit detachable MMCX cables; 3.5 mm plug + threaded 6.3 mm adapter
  • Other: impedance @ 1 kHz; max input 1,000 mW; 268 g without cable

[1] [2]

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)

[3]

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.

  1. Shure SRH1840: PDF (avc-group.com)
  2. Shure SRH1840: shure.com
  3. Burson Supreme Sound Opamp V6 datasheet V1.1 (SS-Opamp-V6-datasheet-V1.1.pdf)