Type | Heater | Ebmax (V) |
Ec2max (V) |
Ppmax (W) |
Pg2max (W) |
Ikmax (mA) |
Gm (mmho) |
Mu-g1g2 | Ip50(mA) (Eg2) |
Style | Price (Pair) |
Comment & Link |
6F6/ 1613 |
6.3V0.7A | 375 350(T) |
285 | 11 10(T) |
3.75 | - | 2.3-2.6 | 6.8 | 74 (250V) |
GT-US | 6,200*f | - |
6V6 | 6.3V0.45A | 315 | 285 | 12 | 2 | - | 3.6-4.1 | 9.0 | 98 (250V) |
GT-US | 2,000*c | - |
5881/ 6L6 |
6.3V0.9A | 400 | 400 | 23 | 3 | - | 5.3 | - | 160 (250V) | GT-US | 2,600*c | - |
KT66 | 6.3V1.27A | 500 400(T) | 400 | 25 25(T) | 3.5 | 200 | 5.5-6.3 | - | 220 (300V) | GT-US | 8,000*c | - |
6CA7/ EL34 |
6.3V1.5A | 800 | 425 | 25 | 8 | 150 | 9-11 | 11 | 340 (360V) | GT-US | 2,400*c | - |
350B | 6.3V1.6A | 400 | 300 | 30 | 4 | - | 6.4-9.5 | 8 | 210 (250V) |
GT-US | - | - |
6L6GC/ 7581 |
6.3V0.9A | 500 450(T) |
450 | 30 30(T) |
5 | - | 4.7-6.0 | 6.2 | 160 (250V) |
GT-US | 3,000*c | - |
6GB8 | 6.3V1.5A | 500 | 400 | 35 | 10 | 200 | 20 | 15 | 300 (250V) |
GT-US | 30,000*f | TOSHIBA |
KT88 | 6.3V1.6A | 600 | 600 | 35 | 6 | 230 | 11.5-12 | 8 | 330 (300V) |
GT-US | 7,000*c | - |
6550A | 6.3V1.6A | 660 500(T) |
440 | 42 42(T) |
6 | 190 | 9-11 | - | 400 (300V) |
GT-US | 6,000*c | - |
KT90 | 6.3V1.6A | 850 | 650 | 46 | 8 | 230 | 16 | 9 | 420 (300V) |
GT-US | 9,000*c | - |
Type | Heater | Ebmax (V) |
Ec2max (V) |
Ppmax (W) |
Pg2max (W) |
Ikmax (mA) |
Gm (mmho) |
Mu-g1g2 | Ip50(mA) (Eg2) |
Style | Price (Pair) |
Comment & Link |
6AR5 | 6.3V0.4A | 250 | 250 | 8.5 | 2.5 | - | 2.3-2.4 | - | 74 (250V) |
MT-7P | 4,500*f | - |
6AQ5/ EL90 |
6.3V0.45A | 250 | 250 | 12 | 2 | - | 3.6-4.1 | 9.0 | 98 (250V) |
MT-7P | 2,000*c | - |
6BQ5/ EL84 |
6.3V0.76A | 300 | 300 | 12 | 2 | 65 | 10.0-11.3 | 19 | 165 (300V) |
MT-9P | 2,000*c | - |
WE429A | 20V0.14A | 275 | 150 | 12 | 2 | 75 | 6.6 | - | - | MN-9P | 16,000*f | - |
7189A | 6.3V0.76A | 440 | 400 | 13.2 | 2.2 | 72 | 11.3 | 19.5 | 155 (300V) |
MT-9P | - | - |
6RP15 | 6.3V0.75A | 300 | 300 | 13.5 | 2.5 | - | 11 | 17 | 130 (250V) |
MT-9P | - | TOSHIBA |
7591 | 6.3V0.8A | 550 | 440 | 19 | 3.3 | 85 | 10.2 | 16.8 | - | GT-US | 4,600*c | - |
807 | 6.3V0.9A | 600 | 300 | 25 | 2.5 | - | 6 | - | 210 (300V) | ST-TP | 6,000*c | - |
6384 | 6.3V1.2A | 750 | 325 | 30 | 3.5 | - | 5.4 | - | - | GT-US | 12,000*f | - |
WE339A | 5.0V1.2A | 500 | 450 | 35 | 12 | 125 | 5.8 | - | - | ST-TP | - | - |
EL156 | 6.3V1.9A | 800 500(T) | 450 | 50 | 8 | 180 | - | - | 320 (350V) | GT | 14,000*c | - |
4D32 | 6.3V3.75A | 750 | 350 | 50 | 14 | - | - | 10 | - | - | 11,000*f | - |