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5750

Sensibly equivalent to:
CV4012
    
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The 5750 is a direct equivalent of the 6BE6W special quality version of the 6BE6 heptode mixer.
The data-sheet emphasises the fact that this valve is built to withstand vibration by saying the use is in mobile and airborne applications.
The vibration resistance is produced by the use of thicker mica sheets top and bottom. Grid three - the signal grid - is wound on copper supports.
The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 49 mm tall.
Reference: Datasheet. Type 5750 was first introduced in 1951.

 

Pin Connections
B7G
1
2
3
4
5
6
7
g1
k
h
h
a
g2,g4
g3

 

Absolute Maximum Operating Conditions
Heptode
Vh
Ah
Va
Vs
Vg
mAa
mAs
ra
gm
Vosc
6.3
0.3
250
100
-1.5
3.0
7.1
1M
0.475
10
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 14, 2019.
shape:thin.glass.tube construction:all.glass type:heptode age:1950.1960 base:b7g heater:6.3v pins:7 pin:1.g1 pin:2.k pin:3.h pin:4.h pin:5.a pin:6.g2.g4 pin:7.g3
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