Tube Type Base Use "A" supply Filament voltage Filament current amps Detector plate voltage Detector plate current mA Amplifier plate voltage Grid voltage Amplifier plate current mA Plate impedance Ohms Mutual conductance micromhos Amplification factor
C-112-A standard 4 prong Power amplifier Storage 6 volt transformer 5 volts 5.0 0.25 - - 135
157.5
180
-9.0
-10.5
-13.5
7.0
9.5
7.8
5000
4700
4700
1600
1700
1700
8.0
C-181 Side pin 4 prong Power amplifier Transformer 3 volts 3.0 1.3 - - 200 -40 16 2850 1050 3.0
C-182 Standard 4 prong Power amplifier Transformer 5 volts 5.0 0.9 - - 200 -45 18 2000 1500 3.0
C-182-A Standard 4 prong Direct Current Power amplifier Transformer 5 volts 5.0 0.8 - - 200 -45 18 2000 1500 3.0
C-182-B Standard 4 prong Power amplifier Transformer 5 volts 5.0 1.25 - - 200 -29 18 3330 1500 5.0
C-183 Standard 4 prong Power amplifier Transformer 5 volts 5.0 1.25 - - 200 -45 20 2000 1500 3.0
C-210 Standard 4 prong Power amplifier Transformer 7.5 volts 7.5 1.25 - - 350 -27 20 5500 1450 8.0
C-231 Standard 4 prong Power amplifier 6 dry cells series Parallel 2.0 0.150 - - 135 -22.5 8.0 4000 575 3.5
C-245 Standard 4 prong Power amplifier Transformer 2.5 volts 2.5 1.5 - - 180
250
-33
-50
26
32
1460
2250
2400
1450
3.5
C-586 Standard 4 prong Power amplifier Transformer 7.5 volts 7.5 1.25 - - 250
350
450
-45
-63
-84
28
45
55
2150
2000
1950
1575
1700
1750
3.4
C-201-A Standard 4 prong Detector Amplifier Storage 6 volts 5.0 0.25 45 1.5 90
135
-4.5
-9.0
2.5
3.0
11000
10000
725
800
8.0
C-230 Standard 4 prong Detector Amplifier 6 Dry cells series parallel 2.0 0.060 45 1.5 90 -4.5 2.0 12500 700 8.8
C-401 Side Pin 4 prong Detector Amplifier 3 volts 3.0 1.3 45 2 90
120
-3
-4
5.0
6.0
9500
7000
1000
1200
9.5
8.7
C-427 Standard 5 prong Detector Amplifier 2.5 volts 2.5 1.75 180 0.8 90 -3 5.0 10800
9300
1150 12.5
C-484 Standard 5 prong Detector Amplifier 3 volts 3.0 1.3 135 0.8 90
120
-3
-4
5.0
6.0
10800
9300
1150
1350
12.5
C-484-A Standard 5 prong Direct Current Detector Amplifier 3 volts DC 3.0 1.6 100 0.5 90
120
-3
-4
5.0
6.0
9300 1150
1350
12.5
C-226 Standard 4 prong Amplifier 1.5 volts 1.5 1.05 - - 180 -13.5 6.0 7000 1170 8.2
C-686 Standard 5 prong Amplifier Storage 6 volts 3.0 0.25 - - 90 -3.0 3.0 28000 450 12.5
C-224 Standard 5 prong Screen Grid Amplifier Storage 6 volts Transformer 2.5 volts 2.5 1.75 Screen Grid voltage plus 90 - 180 -3.0 4.0 400000 1000 400
C-232 Standard 4 prong Screen Grid Amplifier 6 dry cells Series Parallel 2.0 0.060 Screen Grid Voltage plus 67.5 - 135 -3.0 1.5 800000 550 440
C-280 Standard 4 prong Full Wave Rectifier 5.0 volts 5.0 2.0 Max. AC Voltage per plate 350 volts RMS
Max Rectified Current 125 mA
C-281 Standard 4 prong Half Wave Rectifier 7.5 volts 7.5 1.25 Max. AC Voltage per plate 700 volts RMS
Max Rectified Current 85 mA

 

 

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