V5 op amps added a nice improvement to the sound signature of the H10, however, the reliability of the op amps is concerning. I am selling the H10 to an interested buyer. They will be informed about the requirements to have my warranty transferred over to them when they receive the amp.
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
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Burson
Burson V5 Opamp · Discrete opamp (single / dual) · discontinued
- Supply voltage: ±3.5 V to ±15 V (absolute maximum)
- Gain-bandwidth product: 50 MHz (at 100 kHz)
- Dual or single: dual and single
- Package: 14.5 mm wide × 12.4 mm deep × 29 mm high (V5-OPA-D)
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