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AC/HL

Sensibly equivalent to:
354V 41MHL A30D AR17 CV399 CV1037 CV2811 D4 HL4 MH4 MHL4 NR31 VR37
See also:
Shortpath Construction - 1929 Advert
    
Extras ▼

 

The AC/HL indirectly heated amplifier triode makes use of the 'Shortpath' technique construction.
See AC/HL for full details.
The balloon envelope is 57 mm in diameter and, excluding the B5 base pins, is 110 mm tall.
References: Datasheet, 1043 & 3002. Type AC/HL was first introduced in 1929.

 

Pin Connections
B5
1
2
3
4
5
a
g1
h
h
k

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
1.0
200
-2.75
6
10,000
3.5
Thanks to Frank Philipse for supplying the above PDF datasheet.
Updated February 07, 2013.
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