| Type/Number | Src | Mfg | Issue YM | #Pg | #KB | Beschreibung und Kurzdaten - Brief Specification | 
4CPW10,000R
 | 
Y21 | 
SV | 
1997-08 | +2 | 67 | 
Pulse Modulator Tetrode, 7.5V/75A, 10kW 25kV 24Apk µg2g1=4.5, water cooling | 
4CW10,000A
 | 
Y21 | 
SV | 
1996-11 | +2 | 114 | 
Radial-Beam Power Tetrode, 7.5V/75A, 10kW 7500V 3A 30MHz µg2g1=4.5, water cooling | 
4CX400A
 | 
Y21 | 
SV | 
1998-03 | +4 | 51 | 
Radial-Beam Power Tetrode, 6.3V/3.15A, 400W 2500V 0.41A 26mA/V 500MHz µg2g1=6.5, forced-air cooling | 
4CX800A
 | 
Y21 | 
SV | 
1998-03 | +4 | 79 | 
Radial-Beam Power Tetrode, 12.6V/3.6A, 800W 2500V 0.8A 150MHz µg2g1=6.5, forced-air cooling | 
4CX1500A
 | 
Y21 | 
SV | 
  | +7 | 421 | 
Power Tetrode, 5V/38.5A, 1500W 5000V 1A 150MHz 26mA/V µg2g1=5.5, forced-air cooling | 
4CX1600B
 | 
Y21 | 
SV | 
1998-07 | +4 | 68 | 
Power Tetrode, 12.6V/4.4A, 1600W 3300V 1.4A 50mA/V 250MHz, forced-air cooling | 
4CX3500A
 | 
Y21 | 
SV | 
  | +5 | 251 | 
Radial-Beam Power Tetrode, 5V/90A, 3500W 6000V 2A 220MHz µg2g1=4.5, forced-air cooling | 
4CX5000A
 | 
Y21 | 
SV | 
  | +7 | 445 | 
Radial-Beam Power Tetrode, 7.5V/75A, 5000W 7500V 3A 110MHz µg2g1=4.5, forced-air cooling | 
4CX5000R
 | 
Y21 | 
SV | 
  | +7 | 447 | 
Radial-Beam Power Tetrode, 7.5V/75A, 5000W 7500V 3A 110MHz µg2g1=4.5, forced-air cooling | 
4CX7500A
 | 
Y21 | 
SV | 
  | +9 | 353 | 
Radial-Beam Power Tetrode, 7.5V/110A, 7500W 7500V 3A 220MHz µg2g1=4.5, forced-air cooling | 
4CX12,000A
 | 
Y21 | 
SV | 
1997-03 | +2 | 76 | 
Radial-Beam Power Tetrode, 6.3V/105A, 12kW 10kV 3.5A 250MHz µg2g1=6.7, forced-air cooling | 
4CX15,000R
 | 
Y21 | 
SV | 
1997-10 | +2 | 54 | 
Radial-Beam Power Tetrode, 6.3V/164A, 15kW 10kV 5A 110MHz µg2g1=4.5, forced-air cooling | 
4CX20,000A
 | 
Y21 | 
SV | 
1997-07 | +2 | 127 | 
Radial-Beam Power Tetrode, 10V/140A, 20kW 10kV 5A 110MHz µg2g1=6.7, forced-air cooling | 
4CX20,000B
 | 
Y21 | 
SV | 
1997-07 | +2 | 67 | 
Radial-Beam Power Tetrode, 10V/140A, 20kW 10kV 5A 30MHz µg2g1=6.7, forced-air cooling | 
4CX20,000C
 | 
Y21 | 
SV | 
1997-07 | +2 | 91 | 
Radial-Beam Power Tetrode, 10V/140A, 20kW 12.5kV 5A 110MHz µg2g1=6.7, forced-air cooling | 
4X150A
 | 
Y21 | 
SV | 
  | +5 | 362 | 
Radial-Beam Power Tetrode, 6V, 250W 2000V 0.25A, forced-air cooling | 
| Type/Number | Src | Mfg | Issue YM | #Pg | #KB | Beschreibung und Kurzdaten - Brief Specification |