Type | Heater | Ebmax (V) | Ppmax (W) | Ikmax (mA) | Mu | Gm (mmho) | Ip150 (mA) | Style | Price (Pair) | Comment & Link |
45 | 2.5V1.5A-D | 275 | 10 | - | 3.5 | 2.05 | 90 | ST | 8,000*e (Single) | - |
6F6(T)/ 1613 | 6.3V0.7A | 350 | 10 | - | 6.8 | - | 48 | GT-US | 5,000*c | - |
6BX7 | 6.3V1.5A | 500 | 10*2(Dual) 12(Total) | 60 | 10 | 7.6 | 140 | GT-US | 7,200*f | - |
6CW5(T)/ EL86(T) | 6.3V0.76A | 250 | 12(1.75) | 100 | 8 | - | 260 | MT-9P | 2,600*c | 6RA8類似 |
6BQ5(T)/ EL84(T) | 6.3V0.76A | 300 | 12(2) | 65 | 19 | - | 80 | MT-9P | 2,000*c | - |
6GA4 | 6.3V0.75A | 350 | 13 | - | 10 | 7.0 | 220 | GT-US | 25,000*e | TOSHIBA |
2A3 | 2.5V2.5A-D | 300 | 15 | - | 4.2 | 5.25 | 170 | ST | 6,000*c | - |
6B4G | 6.3V1.0A-D | 325 | 15 | - | 4.2 | 5.25 | - | ST | 7,800*c | - |
6RA8 | 6.3V1.0A | 350 | 15 | 120 | 9.7 | 10.5 | 300 | MT-9P | - | NEC |
801A/ VT62 | 7.5V1.25A-D | 600 | 20 | 70 | - | - | 20 | ST | 29,000*f | - |
50 | 7.5V1.25A-D | 450 | 25 | - | 3.8 | 2.1 | 55 | ST | 50,000*e (Single) | - |
KT66(T) | 6.3V1.27A | 400 | 25 | 200 | - | 5.5 | 115 | GT-US | 8,000*c | - |
6CA7(T)/ EL34(T) | 6.3V1.5A | 425 | 25(8) | 150 | 11 | - | 150 | GT-US | 2,400*c | - |
50CA10 | 50V0.175A | 450 | 30 | 200 | 8 | 14 | 310 | - | - | - |
6L6GC(T) | 6.3V0.9A | 450 | 30 | - | 8 | 4.7 | 90 | GT-US | 3,000*c | - |
PX25 | 4V2A-D | 500 | 30 | 62.5 | 9.5 | 7.5 | 83 | ST | 70,000*e (Single) | - |
DA30 | 4V2A-D | 500 | 30 | - | 5 | 6 | 230 | ST | - | - |
KT88(T) | 6.3V1.6A | 600 | 35(6) | 230 | 8 | 12 | 200 | GT-US | 7,000*c | - |
300B | 5V1.2A-D | 480 | 40 | 100 | 3.85 | 5.5 | 230 | ST | 18,000*c | WE |
6550A(T) | 6.3V1.6A | 500 | 42 | 190 | - | - | 175 | GT-US | 5,400*c | - |
8045G | 6.3V2.5A | 550 | 45 | 300 | 4.5 | 11 | 150 (Ep50V) | GT-US | - | NEC |
811A | 6.3V4A-D | 1250 | 45 | 175 | - | - | 160(Eg+40V) (Ep200V) | ST-TP | 6,000*c | - |
SV811-3 | 6.3V4A-D | 800 | 65 | 160 | 3.5 | 1.7 | 58 | ST | - | - |
SV811-10 | 10 | 3.8 | 24 | 10,000*f | ||||||
AV320B-SL | 5V2.2A-D | 550 | 65 | 200 | 3.8 | 6.9 | - | ST | - | - |
AV325B-SL | 5.2 | 8.0 | - | - |