|
|
| EL84 Pinout |
 |
 |
| Note: pins 1, 6, and 8 are internal connections |
|
| EL84 Substitutes |
| Close or identical |
6BQ5, 6P15*, CV8069, 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. |
| 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 |
| City Radio |
EL84: html |
| David Crittle''s site (Retrovox) |
6BQ5: Acrobat PDF application report |
| Peter Millett |
16GK6: Acrobat PDF 24K 6BQ5: Acrobat PDF 172K |
| N7JP Tube Database |
EL84: HTML page |
| 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 |
| 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 |
EL84: html page |
|
|
