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6AT6

Sensibly equivalent to:
6066 CV452 DH77 EBC90
See also:
The 'Magic Three' Valves - 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 - Automatic Volume control - The Neophyte Amplifier
    
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The 6AT6 amplifier triode with double diodes sharing the same cathode connection was designed for use in superhet receivers as detector, AGC rectifier and first audio amplifier.
Seen in profile the two diodes are the outer structures while the triode is housed in the central dark anode.
The thin glass tube envelope is 17 mm in diameter and, excluding the B7G base pins, is 45 mm tall.
References: Datasheet, 3002 & 1040. Type 6AT6 was first introduced in 1946.

 

Pin Connections
B7G
1
2
3
4
5
6
7
g1
k
h
h
a(d2)
a(d1)
a

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
250
-3
1.0
58,000
1.2
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated January 29, 2013.
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