5u4 Tube Equivalent Adaptor

Designed for tube‑gear enthusiasts and electronics hobbyists, this handmade socket adaptor lets you swap rectifier tubes without circuit modification. Part of Electronics > Circuit Boards & Components > Circuit Board Accessories, it enables a 5Z3/WE274A/80 (4‑pin) to be used in a 5U4G WE274B (8‑pin octal) circuit with ease.

Key Features & Design

• Compatibility – Converts 5Z3/WE274A/80 (4‑pin) to 5U4G/ WE274B (8‑pin octal) for flexible tube selection.
• Construction – Sturdy Bakelite body with gold‑plated brass pins for durable, reliable connections.
• Dimensions – Diameter: 33 mm; Height: 40 mm and designed to fit standard chassis layouts.
• Direct‑use in circuits – Seamlessly drop a 5Z3 into a 5U4G circuit using this converter socket.
• Handmade on demand – Made to order; please allow up to 15 days for delivery.
• Brand – Proudly from Big River Hardware, known for precise, dependable electronics components.

Performance / Benefits

Expand the versatility of your vintage tube gear without altering your original circuitry. The gold‑plated contacts provide strong, low‑resistance connections for stable performance, while the Bakelite body delivers sturdy insulation and heat resistance. This adaptor is ideal for hobbyists and restorers who want more tube options in 5U4G‑based designs, offering a reliable, compact solution that preserves the integrity of your project.