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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
National Valve Museum EL34: html, html2
oldradio.qrz.ru EL34: html page, MK buizen handboek
Penta Laboratories E34LS: Acrobat PDF
Frank Philipse EL34: .gif file, 010/e/EL34.pdf, 030/e/EL34.pdf, 128/e/EL34.pdf, 129/e/EL34.pdf
Frank Philipse (Pocnet mirror - Patrik Schindler) EL34: 6BY6.pdf (790979 bytes), EL34.pdf (1619448 bytes), EL34.pdf (177618 bytes) (fr), EL34.pdf (205081 bytes), EL34.pdf (257198 bytes), EL34.pdf (2580497 bytes) (cs), EL34.pdf (47964 bytes), EL34.pdf (516334 bytes) (de), EL34.pdf (712711 bytes), EL34.pdf (766945 bytes)
Frank Philipse (Wildcat mirror - Jörg Jan Münter) EL34: 6BY6.pdf (790979 bytes), EL34.pdf (1619448 bytes), EL34.pdf (177618 bytes) (fr), EL34.pdf (205081 bytes), EL34.pdf (257198 bytes), EL34.pdf (2580497 bytes) (cs), EL34.pdf (47964 bytes), EL34.pdf (516334 bytes) (de), EL34.pdf (712711 bytes), EL34.pdf (766945 bytes)
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

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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