Jim’s Burson V5i Opamp with Little Dot I+

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Post Info

The upgrade has made a noticeable difference, and I’m excited to see how the V6 and V7 opamps will further enhance the performance. I’m looking forward to experiencing the next level of improvement they promise.

The System

Listening with

Little Dot I+ · Headphone amp: hybrid tube (2x 6J1) / solid-state headphone amp
  • Frequency response: 10 Hz – 50 kHz (-3 dB)
  • Output power (headphone): 32 Ω 0.8 W · 120 Ω 0.3 W · 300 Ω 0.15 W
  • Output impedance: not published
  • Gain: 3.25x or 6.5x (user selectable)
  • Inputs: RCA
  • Input impedance: 50k
  • Outputs: 6.35 mm headphone
  • Other: THD+N 0.2% @ 1 Vrms, 0.6% @ 3 Vrms, 1.0% @ 5 Vrms (1 kHz); S/N 92 dB; headphones 8-600 Ω; 15 VA; 1.5 kg

[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. Little Dot I+: shenzhenaudio.com (retailer)
  2. Burson V5i Opamp datasheet V1.0
  3. Burson V5i Opamp product page