Quick Details
- Place of Origin: Liaoning, China (Mainland)
- Brand Name: LIght of Torch
- Model Number: 845
- material: glass metal
- weight: 0.5
Packaging & Delivery
| Packaging Details: |
Carton which size 59*59*47cm |
| Delivery Detail: |
1-3 workding days once the money transfer is confirmed |
Specifications
1.ISO9001:2008
2.Audio electron vacuum tube
3.Used in pair for amplifier
4.Exquisite triode
5.Glass metal electron tube
Audio frequency power amplifier , Modulator
General Characteristics
Filament Voltage 10
Filament Current (amps) 3.25
Amplification Factor 5.3
Grid to Plate Transconductance@ 100 ma. ( micromhos) 3400
Direct Interelectrode Capacitances:
Grid to Plate 11.5
Grid to Filament 5
Plate to Filamen 3.5
MAXIMUM RATING AND TYPICAL OPERATING CONDITIONS
A.F. Power Amplifier and Modulator--- Class A ( typical operation One tube)
A.C. Filament Voltage 10
D.C.Plate Voltage 1000
D.C.Grid Voltage -155
Peak A.F. Grid Voltage 150
D.C Plate Current ( ma.) 65
Plate Dissipation ( watts) 65
Load Resistance( ohms) 9000
Power output ( watts) 21
Distortion ( % Sencond Harmaonic) 5
A.F. Power Amplifier and Modulator--- Class AB( typical operation Two tubes)
A.C. Filament Voltage 10 10
D.C.Plate Voltage 1000 1250
D.C.Grid Voltage(Approx) -175 -225
Load Resistance ( hhms per tube) 1150 2200
Effective Load Resistance ( plate to plate) (ohms) 4600 8800
Zero Signal Plate Current( ma.) 40 40
Peak A.F. Grid to Grid Voltage( Approx.) 340 440
Max. Signal D.C. Plate Current( ma.) 220 200
Max. Signal Plate Input ( watts) 220 250
Max. Signal Power output ( watts) 75 105
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