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| Valves QP22B - TT4 | |||||||
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| Valve | BASE | Additional Base Info | Use TV or Radio | Equivalents | Heater Volts | Valve Characteristics |
| QP22B | B7 | RAD | K77B QP21 QP230 240QP | 2 | TWIN OUTPUT 1W | |
| QQV06-40A | RAD | VHF TRANSMITTING VALVE | ||||
| R19 | B9A | TV | 1.25 | RECTIFIER | ||
| R19 | B9A | TV | 1.25 | RECTIFIER | ||
| S215 | B4 | RAD | S2 PM12 S21 SS210 | 2 | PENTODE | |
| SD2 | B4 | RAD | PM2HL | 2 | TRIODE AMP. | |
| SD6 | B7G | RAD | 6.3 | DIODE | ||
| SP61 | MO | MAZDA | RAD | 6.3 | PENTODE | |
| SU25 | IO | OCTAL | TV | 2 | RECTIFIER | |
| T41 | IO | TV | 4 | THYRATRON | ||
| TDD13C | B7 | TV | 13 | TRIODE AMP. | ||
| TDD4 | B7 | RAD | DDT4 MHD4 AC/HLDD H4D 11D3 A23 | 4 | TRIODE AMP. | |
| TP22 | B9 | RAD | RAD | 2 | TRIODE/PENTODE F/C | |
| TP25 | MO | MAZDA | RAD | 2 | TRIODE PENTODE F/C | |
| TP2620 | B9 | TV | 26 | TRIODE/PENTODE F/C | ||
| TT4 | B5 | RAD | 4 | TRIODE AMP |
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| Copyright © 1997 M.Bennett All rights Reserved |