211 Audio frequency power amplifier , Modulator
General Characteristics
Filament Voltage 10
Filament Current (amps) 3.25
Amplification Factor 12.5
Grid to Plate Transconductance@ 100 ma. ( micromhos) 4300
Direct Interelectrode Capacitances:
Grid to Plate 9.0
Grid to Filament 5.5
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 -55
Peak A.F. Grid Voltage 50
D.C Plate Current ( ma.) 75
Plate Dissipation ( watts) 75
Load Resistance( ohms) 4800
Power output ( watts) 14
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) -72 -90
Load Resistance ( hhms per tube) 1250 1675
Effective Load Resistance ( plate to plate) (ohms) 5000 6700
Zero Signal Plate Current( ma.) 60 50
Peak A.F. Grid to Grid Voltage( Approx.) 344 380
Max. Signal D.C. Plate Current( ma.) 400 400
Max. Signal Plate Input ( watts) 400 500
Max. Signal Power output ( watts) 240 320
For delivery time:
Generally, we will dispatch the items within 7 days upon order confirmation; some items may need 15~21 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.
For Bulk order:
If you would like to place a bulk order, please contact us for better price and better delivery cost.
USD
EUR
GBP
