Gustard H10 Mod with SS-Audio V5 Op-amps

Gustard H10 Discrete op-amp

Gustard H10 Mod 2 x Dual + 2 x Single SS Opamp V5 OPA resulted in somewhat higher gain. applied -6db to amp to achieve roughly the same volume settings as stock. Biggest improvement noticed is in bass performance, HE-400i headphones lost their weakness in that area with this upgrade. Also modified amp final heatsink […]

GUSTARD H10 High-current Discrete Class-A Headphone Amplifier Op-Amp Mod

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 […]