Paul’s Burson V6 Vivid and Classic Opamps with Gustard H10

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I just got the V6’s; qty 2 each of the Vivid single, Vivid dual, Classic single, and Classic dual. Starting off with the full Classic setup in my Gustard H10 headphone amp @ +6V dip switch setting. Running Foobar2K on a Windows 10 laptop, out via USB to Schitt Bifrost 4490 DAC, then to the Gustard H10, and using modded TH-X00 PH’s to listen (Lawton driver housing dampening and Jmoney pads with custom in-pad attenuators.) Big increase in detail and clarity along with refinement in bass. Seem a little too bright and more forward in the highs though. Looking forward to getting more run time with them. In the process of venting and putting a handle on the top cover of the Gustard H10. I’ve already added Verarien Cu foam LPH0001 heat sinks to the 8 transistors on the main heat sink and Enzotech MOS-C10-LE forged copper heat sinks to the 2 Voltage regulator transistors. Will also be making custom heatsinks from 15mm x 15mm x 1mm copper shims for the 4 small power transistors positioned around each single opamp location. Running it open until cover mod is completed.

The System

Listening with

Gustard H10 · Headphone amp: Class-A discrete output stage headphone amp / preamp · discontinued
  • Frequency response: 0 – 55 kHz (-0.5 dB)
  • Output power (headphone): 16 Ω 1 W · 32 Ω 2 W · 50 Ω 2.7 W · 100 Ω 2.2 W · 600 Ω 0.57 W
  • Output impedance: not published
  • Gain: +8 dB nominal; adjustable -4 / +2 / +8 / +14 / +20 dB
  • Inputs: 2x XLR (balanced); 2x RCA
  • Input impedance: XLR 10k; RCA 68k
  • Input sensitivity: +6 dBu
  • Outputs: 1x 6.35 mm TRS headphone
  • Other: THD+N <0.00035% (1 kHz, 1 W @ 100 Ω), <0.0007% (0.5 W @ 32 Ω); damping factor >400 @ 50 Ω; dynamic range >128 dB (A); two 25 W toroidal transformers; 3.3 kg

[1] [2]

Burson

Burson V6 Vivid Opamp
Burson V6 Classic Opamp

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. Gustard H10: littlemart.wordpress.com (retailer + forum copy of gustard spec sheet)
  2. Gustard H10: auriculares-hifi.com (retailer + forum copy of gustard spec sheet)