Title imageTitle image

 Menu

 

 Information

6BQ5 Pinout
basing pinout
Note: pins 1, 6, and 8 are internal connections

 

6BQ5 Substitutes
Close or identical 6P15*, CV10321, CV2975, CV8069, EL84, N709
Different rating or performance 7189, 7189A, 7320, E84L, EL84S
Different pinout 6GK6
Different filament voltage 10BQ5, 10GK6, 16GK6, 29GK6

Warning: Substitutes are given as a guide only - please refer to original manufacturers data sheets to ensure that a substitute is safe and appropriate for your application.

 

6BQ5 Ratings
Vh Ih VaPeak VaMax Vg2Peak Vg2Max VhkMax PaMax Pg2Max IkMax Cgk Cak Cga Notes
6.3 0.76 550 300 550 300 100 12 2 65 10.8 6.5 0.5 Max Pg2 = 4W for music/speech short term

 

6BQ5 Application Data
Class Va Vg2 Vg1 Ia Ig2 Ra S Rk Zout Pout THD
A S/E 250 250 -7.3 48 5.5 38,000 11 135 5,200 5.7 10
AB 300 300 72.0 8.0 130 8,000 17.0
AB 250 250 62.0 7.0 130 8,000 11.0
B 300 300 -14.7 15.0 1.6 8,000 17.0
B 250 250 -11.6 20.0 2.2 8,000 11.0
AB1 P/P 300 300 72-92 8-22 130 shared 8,000 17 10
AB1 P/P 300 300 -14.7 15-92 1.6-22 8,000 17 10
AB1 P/P (triode) 250 40-43.4 270 10,000 3.4 2.5

 

6BQ5 Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 6BQ5: html
City Radio EL84: html
David Crittle''s site (Retrovox) 6BQ5: Acrobat PDF application report
Peter Millett 16GK6: Acrobat PDF 24K  6BQ5: Acrobat PDF 172K
National Valve Museum 6BQ5: html  EL84: html2, html3
oldradio.qrz.ru 6BQ5: MK buizen handboek  EL84: html page, MAZDA Valves & Picture Tubes Data
Penta Laboratories EL84: Acrobat PDF
Frank Philipse 6BQ5: .gif file, 093/6/6BQ5.pdf  EL84: 010/e/EL84.pdf, 030/e/EL84.pdf, 129/e/EL84.pdf  N709: 126/n/N709.pdf
Triode Electronics 6BQ5: gif01, gif02, gif03, gif04, gif05, gif06, gif07, gif08, gif09, gif10, gif11, zip of all sheets
TubeZone 6BQ5: pdf
Virtual Valve Museum EL84: HTML page
WPS 6BQ5: html page

 

All content on this page is copyright 1997-2014 Duncan Amplification.
Please report any issues with the site through the forum. Some images courtesy of the Great Notley Photography Club.

Version: PHP release 1.08 28/02/2010