From raydeeoh–(at)–ol.com Mon Jan 30 10:35:30 CST 1995
Article: 50 of alt.guitar.amps
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From: raydeeoh–(at)–ol.com (RAYDEEOHH)
Newsgroups: alt.guitar.amps
Subject: Re: Need pinouts for 6MB8 tubes
Date: 29 Jan 1995 17:22:41 -0500
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>From the RCA Receiving Tube Manual:

6MB8:

Heater: Pins 4,5

Triode Section:
Plate: Pin 2
Control Grid: Pin 1
Cathode: Pin 3

Pentode Section:
Plate: Pin 6
Screen Grid: Pin 7
Control Grid: Pin 9
Cathode & Supressor Grid: Pin 8

Now I remember why I never tossed that book out.