3/2/2024 0 Comments Guitar amp tube socket smoking![]() Use # 8 screws for Large Output transformers Use #6 screws for small output transformers Use #4 screws for tube socket adapter plates Screw uses for common chassis and parts holes I stock screws, nuts and washers on this page ![]() 186 inches in diameter - Use a 13/64 inch drill bit 158 inches in diameter - Use a 11/64 inch drill bit 132 inches in diameter - Use a 9/64 inch drill bit 108 inches in diameter - Use a 7/64 inch drill bit These need to be drilled out a bit larger for #4 screws Some tube sockets have undersized mounting holes I use 4/40 x 1/4 inch long screws and #4 Keps nuts to mount the tube sockets The events above are all explained further down this page (6) Turn on the amp, bias the power tubes and enjoy (2) Install the board with no parts on the board (1) Install and wire up all the basic infrastructure connections This is the order of events on how I build amps from scratch Have your layout diagram in front of you so you can reference itĬlick on the image below to see a larger image How to install turret lugs using a drill pressįollow along with the instructions below by printing out your layout diagram Important - hookup notes for all Hoffman Boards Layout Diagrams, Schematics, BOMs and build pictures are located on this pageĬheck out all these helpful building links The Bill of materials - BOM - is in another PDF file The layout diagram and schematic are in one PDF file Make sure you look at every document on the library page for the board you are building This document describes the process that is used to install all my turret boards The builds are pretty much the same for all of them These instructions are not specific to any one of the Hoffman Turret boards. Hoffman Turret board Installation instructions You assemble Hoffman boards using the documents listed under each board on the library page here I do test builds first and change the designs based on those builds. Note that Hoffman boards are not assembled by looking at my builds. IF YOU ARE UNSURE OF HOW TO DO SOMETHING PLEASE TAKE IT TO A TECHNICIAN! WARNING: DO NOT WORK ON ANY AMPLIFIER WITH THE AC PLUG PLUGGED INTO THE WALL SOCKET!ĪLWAYS DISCHARGE THE FILTER CAPS BEFORE WORKING ON AN AMPLIFIER! ![]() Installation Instructions for all Hoffman boards. This page needs JavaScript to function properly
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