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 |
Click on this link to download a Microsoft Word version of this table.
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