Vintage amplifier workshop
Valve Pinout Viewer
Select one or more valves to build a socket reference for your amplifier. All data is packaged in this page—no live Google Sheets connection is required.
Add the same valve twice for two sockets. The manufacturer PDF links appear on each reference card.
NC: pin number shown, no outside label. IC: internally connected—label retained. NP: physically absent pin—not drawn. A dash (—) in the source means a connection was not specified; it does not prove that the metal pin is physically absent.
Manufacturer datasheets in your Google Drive folder — 58 valve groups / 74 PDFs
This index lists the PDFs in the linked source folder. A folder listing is not itself verification of the pinout. Similar tube numbers may differ in heater ratings, electrical characteristics or pin connections.
How to read diagrams, limitations and data sources
Socket view: all diagrams show the underside of the socket with the octal key or the miniature gap at the bottom. Pin numbers increase clockwise when viewed from underneath.
Top caps: shown separately from socket pins. Never assume a top-cap plate connection is equivalent to base pin 3.
NC and IC: NC is not connected; IC is connected internally and must never be assumed safe as a chassis tie point. An unassigned dash in a source is displayed as — without claiming that a physical pin is absent.
Source: verified master workbook and manufacturer PDFs. The library preserves the separate distinctions for metal 6L6/6V6/6F6 versus glass versions and for 6M5 versus EL84. Some cross-checked or legacy entries have an explicit caution on their cards.
Valve Pinouts — Verification Workbook · Manufacturer datasheet folder.
Bench caution: Confirm unfamiliar valves against the actual manufacturer datasheet before wiring a socket. Connections can vary by suffix and manufacturer. Valve amplifiers retain lethal voltages after switch-off.
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