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EL84 Pinout
basing pinout
Note: pins 1, 6, and 8 are internal connections

 

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

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.

 

EL84 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

 

EL84 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
A S/E (triode) 250 34-36 270 3,500 1.95 9
A P/P (triode) 300 48-52 270 10,000 5.2 2.5
AB1 P/P 250 250 -11.6 20-75 2.2-15 8,000 11 8
AB1 P/P 250 250 62-75 7-15 130 shared 8,000 11 8
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

 

EL84 Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 6BQ5: html
David Crittle''s site (Retrovox) 6BQ5: Acrobat PDF application report
Duncan''s Amp Pages 7320: Acrobat PDF (1 page)
Peter Millett 6BQ5: Acrobat PDF 172K  7189: Acrobat PDF 193K  16GK6: Acrobat PDF 24K  6GK6: Acrobat PDF 218K
National Valve Museum EL84: html, html2, html3
oldradio.qrz.ru EL84: html page, MAZDA Valves & Picture Tubes Data, MK buizen handboek
Penta Laboratories EL84: Acrobat PDF
Frank Philipse 6BQ5: 093/6/6BQ5.pdf  EL84: .gif file, 010/e/EL84.pdf, 030/e/EL84.pdf, 129/e/EL84.pdf  N709: 126/n/N709.pdf  7189A: 135/7/7189A.pdf  7320: 009/e/E84L.pdf, 128/e/E84L.pdf  E84L: 062/e/E84L.pdf  10GK6: 135/1/10GK6.pdf  6GK6: 135/6/6GK6.pdf, Acrobat PDF
Frank Philipse (Pocnet mirror - Patrik Schindler) 6BQ5: 6BQ5.pdf (173703 bytes), 6BQ5.pdf (660539 bytes), 6BQ5.pdf (667997 bytes)  EL84: 6BN11.pdf (549900 bytes), EL41.pdf (46699 bytes), EL84.pdf (178899 bytes), EL84.pdf (3371824 bytes) (cs), EL84.pdf (391362 bytes), EL84.pdf (535320 bytes), EL84.pdf (627035 bytes), EL84.pdf (766772 bytes) (fr), EL84.pdf (81824 bytes) (fr), EL84.pdf (821162 bytes)  N709: N709.pdf (405739 bytes)  7189: 7189.pdf (111333 bytes), 7189.pdf (126835 bytes), 7189.pdf (308218 bytes), 7189.pdf (63914 bytes)  7189A: 7189A.pdf (653439 bytes)  7320: 7320.pdf (770352 bytes) (fr)  E84L: E84L.pdf (314468 bytes) (de), E84L.pdf (425079 bytes), E84L.pdf (637693 bytes) (de), E84L.pdf (704574 bytes) (de)  10GK6: 10GK6.pdf (85361 bytes)  16GK6: 16GK6.pdf (58465 bytes), 16GK6.pdf (91950 bytes)  6GK6: 6GK5.pdf (508126 bytes), 6GK6.pdf (224471 bytes), 6GK6.pdf (456468 bytes), 6GK6.pdf (89667 bytes), 6GK6.pdf (91218 bytes)  10BQ5: 10BQ5.pdf (659987 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6BQ5: 6BQ5.pdf (173703 bytes), 6BQ5.pdf (660539 bytes), 6BQ5.pdf (667997 bytes)  EL84: 6BN11.pdf (549900 bytes), EL41.pdf (46699 bytes), EL84.pdf (178899 bytes), EL84.pdf (3371824 bytes) (cs), EL84.pdf (391362 bytes), EL84.pdf (535320 bytes), EL84.pdf (627035 bytes), EL84.pdf (766772 bytes) (fr), EL84.pdf (81824 bytes) (fr), EL84.pdf (821162 bytes)  N709: N709.pdf (405739 bytes)  7189: 7189.pdf (111333 bytes), 7189.pdf (126835 bytes), 7189.pdf (308218 bytes), 7189.pdf (63914 bytes)  7189A: 7189A.pdf (653439 bytes)  7320: 7320.pdf (770352 bytes) (fr)  E84L: E84L.pdf (314468 bytes) (de), E84L.pdf (425079 bytes), E84L.pdf (637693 bytes) (de), E84L.pdf (704574 bytes) (de)  10GK6: 10GK6.pdf (85361 bytes)  16GK6: 16GK6.pdf (58465 bytes), 16GK6.pdf (91950 bytes)  6GK6: 6GK5.pdf (508126 bytes), 6GK6.pdf (224471 bytes), 6GK6.pdf (456468 bytes), 6GK6.pdf (89667 bytes), 6GK6.pdf (91218 bytes)  10BQ5: 10BQ5.pdf (659987 bytes)
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

Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details

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