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EF184 Pinout
basing pinout


EF184 Substitutes
Close or identical 6EJ7
Different filament voltage 3EJ7, 4EJ7

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.


EF184 Ratings
Vh Ih Cgk Cak Cga
6.3 0.3 10.0 3.0 0.005


EF184 Application Data
Class Va Vg2 Vg1 Ia Ig2 Ra S
Pentode 200 200 -2.5 10.0 3.8 350,000 15.0


EF184 Data sheet links
Duncan''s Amp Pages EF184: Acrobat PDF (6 pages)
Peter Millett 6EJ7: Acrobat PDF 48K  3EJ7: Acrobat PDF 21K  4EJ7: Acrobat PDF 22K
National Valve Museum EF184: html, html2
oldradio.qrz.ru EF184: html page, MAZDA Valves & Picture Tubes Data, MK buizen handboek
Frank Philipse (Wildcat mirror - Jörg Jan Münter) 6EJ7: 6EJ7.pdf (221632 bytes), 6EJ7.pdf (60159 bytes), 6EJ7.pdf (90038 bytes)  EF184: 6EA8.pdf (574278 bytes), EF184.pdf (216304 bytes), EF184.pdf (468233 bytes) (fr), EF184.pdf (587822 bytes)  3EJ7: 3EJ7.pdf (163881 bytes), 3EJ7.pdf (231124 bytes), 3EJ7.pdf (43282 bytes)  4EJ7: 4EH7.pdf (44720 bytes), 4EJ7.pdf (170899 bytes), 4EJ7.pdf (224380 bytes)

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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