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6BA6

Sensibly equivalent to:
5749 CV454 EF93 PM04 W727
See also:
Brimar 6BE6, 6BA6, 6AQ5 & 6X4 Advert - Brimar 6BE6, 6BA6, 6AT6, 6AQ5 & 6X4 12BE6, 12BA6, 12AT6, 35L6GT, 35W4, 6AK6, 1S5, 1U5, 3S4, 3V4, 1R5 & 1T4 Advert - Brimar 12AH8, 6BA6, 6AT6, 12AX7 & 6AQ5 Advert - Brimar 6BH6, 12AH8, 6BA6, 6AT6, 6V6GT, 12BA6, 12AT6 & 12A6 Advert
    
Extras ▼

 

The 6BA6 is described by Brimar as a variable μ pentode for use at HF. Most probably as RF amplifiers in radio receivers.
This exhibit has the printed information in orange rather than the usual white.
The screening hides almost everything.
The thin glass tube envelope is 18 mm in diameter and excluding the B7G base pins, is 47 mm long.
References: Data-sheet & 1040. Type 6BA6 was first introduced in 1950. See also 1950 adverts.

 

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

 

Absolute Maximum Operating Conditions
Pentode
Vh
Ah
Va
Vs
Vg
mAa
gm
6.3
0.3
250
100
-1
11
4.4
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated October 31, 2024.
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