Dmitriy’s Burson V5i Opamp with Sennheiser HDR 180 and Grado SR60

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Excellent sound

The System

Listening with

Sennheiser HDR 180
Grado SR60 · Headphones: open-back (open air), dynamic, on-ear
  • Impedance: 38 Ω
  • Sensitivity: 98 dB SPL / 1 mW ≈ 112.2 dB/V (calc.)
  • Frequency response: 20 Hz – 20 kHz
  • Plugs / cables supplied: standard plug

[1]

Burson

Burson V5i Opamp · Discrete opamp (single / dual) · current
  • Supply voltage: ±5 V / 10 VDC to ±16 V / 32 VDC (absolute maximum)
  • Gain-bandwidth product: 50 MHz (at 100 kHz)
  • Dual or single: dual and single
  • Package: 11 mm wide × 11 mm deep × 7.3 mm high

[2] [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. Grado SR60: gradolabs.com
  2. Burson V5i Opamp datasheet V1.0
  3. Burson V5i Opamp product page