§ 5 - 7 Pin (B7G base) Tube Prototyping Board

This PCB is designed to make prototyping B7G tube stages very easy, while turning out a good looking and functional result. This is accomplished with a carefully designed series of pad/via interconnects on the bottom side of the PCB that make component interconnection easy, and largely or completely wire jumper free (see diagram below.)

The eight edge connections naturally accommodate two AC lines for the tube filament, B+, ground, and one to four additional connections.

§ 5.1 - Build Guide

This PCB requires the following tube socket, or similar:

Paid link(s) from Amazon:

• 2Pcs MINI 7Pin PCB Ceramic Gold plated Vacuum Tube Socket For 6J1 6Z4 EAA91 6AT6

Optional: If you'd like to use edge connectors, these are the ones the PCB is designed to accept:

Paid link(s) from Amazon:

• SamIdea 60pcs 2P 5.08mm Spacing PCB Mount Screw Terminal Blocks Socket Strips for Arduino, Blue 300V/16A

This PCB is designed to be easily mounted in a metal case, or on a wood base. You should use the unassembled PCB as a guide as shown on this page, using the following hardware:

Paid link(s) from Amazon:

• Litorange 240 Pieces M3 Male Female Hex Brass Spacer Standoff Screw Nut Threaded Pillar PCB Motherboard Assortment Kit
• binifiMux 100 Pieces M3x6mm Carbon Steel T-Nuts Zinc Plated 4 Pronged Tee Nut

 

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