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EL34 Pinout
basing pinout

 

EL34 Substitutes
Close or identical CV1741, EL34G, EL34WXT
Different rating or performance E34L, E34LS

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.

 

EL34 Ratings
Vh Ih VaMax Vg2Max VhkMax PaMax Pg2Max IkMax
6.3 1.5 800 500 100 25 8 150

 

EL34 Application Data
Class Va Vg2 Vg1 Ia Ig2 Ra S Rk Zout Pout THD Notes
A S/E 250 265 -14.5 70 - 73 10 -15 18,000 9 3,000 8 10 With Rg2 = 2000 ohms
A S/E 250 265 -13.5 100 - 105 14.9 - 29.0 15,000 11 2,000 11 10
AB1 P/P UL 43% 430 - - 125 - 130 10.0 - 10.2 470 6,600 20 0.8 Shared Rg2 = 1000 ohms
AB1 P/P UL 43% 430 - - 125 - 140 10.0 - 15.0 470 6,600 37 1.3 Shared Rg2 = 1000 ohms
AB1 P/P 315 375 - 150 - 190 23.0 - 45.0 130 3,400 35 5 Shared Rg2 = 470 ohms
AB1 P/P 325 350 -32 70 - 190 9.5 - 50.0 3,800 36 6 Shared Rg2 = 470 ohms
AB1 P/P 350 375 -32 70 - 240 9.5 - 50.0 2,800 44 5 Shared Rg2 = 470 ohms
AB1 P/P 375 400 -38 60 - 200 8.8 - 50.0 4,000 45 6 Shared Rg2 = 1000 ohms
AB1 P/P 400 425 -38 60 - 240 8.8 - 50.0 3,400 55 5 Shared Rg2 = 1000 ohms
AB1 P/P 450 375 -36 60 - 204 8.0 - 50.0 5,000 58 6 Shared Rg2 = 750 ohms
AB1 P/P 475 400 -36 60 - 250 8.0 - 50.0 4,000 70 5 Shared Rg2 = 750 ohms
AB1 P/P 725 375 -39 50 - 168 6.0 - 38.0 11,000 90 6 Shared Rg2 = 750 ohms
AB1 P/P 775 400 -39 50 - 182 6.0 - 38.0 11,000 100 5 Shared Rg2 = 750 ohms
A S/E (triode) 375 - - 70 - 73.5 - 370 3,000 6 8
A P/P (triode) 400 - - 130 - 142 - 220 shared 5,000 16.5 3 Pair of tubes

 

EL34 Data sheet links
Dave Cigna''s Pages (DuncanAmps mirror) 6CA7: html
City Radio EL34: html
Jan Axing''s tube pages EL34: html
National Valve Museum EL34: html, html2
oldradio.qrz.ru EL34: html page, MK buizen handboek
Frank Philipse EL34: .gif file, 010/e/EL34.pdf, 030/e/EL34.pdf, 128/e/EL34.pdf, 129/e/EL34.pdf
Triode Electronics 6CA7: gif01, gif02, gif03, gif04, gif05, gif06, gif07, gif08, gif09, gif10, gif11, gif12, gif13, gif14, gif15, gif16, gif17
Virtual Valve Museum EL34: HTML page
WPS EL34: html page

 

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