Raytheon Type 6.3V tubes

Name

proto type

Class

Base

Out-line

Ef V

If A

Eb V

gm

CK5702

CK605CX

eq. 6AK5

5702 (F7p)

3-7

6.3

0.2

120

5.0

東芝通信用規格管

5702WA/ 6148

5702

東芝高信頼管

CK5703

CK608CX

Triode, UHF oscillator

5703 (F6p5)

3-6

6.3

0.2

120

5.0

mu25

5703WA/ 6149

5703

Hivac tubes

Name

Original/ Equiv

Class

Base

Out- line

Ef

If

Eb

gm

note

5672 XFY14/ CV2238/ DL620

Power Pentode

2E31 (F5p)

2-1

1.25

0.05

67.5

0.65

0.065 W

東芝通信用規格管

6397/ XR4

Power Pentode

6CL (T8p)

TX

1.25/ 2.5

0.125/0.0625

125

1.95