Burson V4 Opamp with Gustard H10

Published on

wpadmin
July 21, 2015

Post Info

Feedbacks - V4 SS Opamp
Gustard H10

The GUSTARD H10 headphone amp is very popular among Head-Fiers. At $350 USD it delivers great performance and it is also well loved by DIYers.

Among the many DIY tweaks available for the H10 op-amp upgrade is the easiest and most effective.

Here is one of our customers who upgraded his H10 with one pair of dual and one pair of single SS Opamps:

Here is the active and ongoing discussion about the GUSTARD H10 on Head-Fi: http://www.head-fi.org/t/735828/gustard-h10-high-current-discrete-class-a-output-stage-headphone-amplifier/2775#post_11775092

Happy listening and modding!
Burson Audio

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 V4 Opamp · Discrete opamp (single / dual) · discontinued

Supply voltage: ±5 V to ±20 V (absolute maximum)
Gain-bandwidth product: 50 MHz (at 100 kHz)
Dual or single: dual and single (this post uses the dual and the single)
Package: dual 40 mm × 16 mm × 20 mm; single 40 mm × 16 mm × 14 mm; 8-pin

^{[3] [4]}

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.