#492 GI-7B tube socket to SB-230 chassis

Recorded 9/4/2025 – Mounting the completed GI-7B tube socket to the SB-230 Chassis.

Recorded 9/4/2025 – Mounting the completed GI-7B tube socket to the SB-230 Chassis.

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like and subscribe All testing done on a dummy load.



Does your End Fed Half Wave (EFHW) need a counterpoise for efficient operation? Let’s take a look at allowing the COAX to be the counterpoise and then isolating it from the antenna. Does the EFHW’s performance change – for better…

I put a Hermes Lite 2 together, connected it directly to my laptop, and quickly decided it has potential for POTA.


🇬🇧We are truly honored to welcome HATTIE WEBB (Marshall Gilmour Webbs, David Gilmour) to the D’Errico Custom family, with our tube preamplifier VK-F1. The VK-F1 is D’Errico Custom’s tube preamplifier for guitar and bass: crafted without compromise, produced in extremely…

replacing exterior lights.
