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ECC83

Sensibly equivalent to:
12AX7 12DT7 6L13 B339 CV492 E2164 E813CC
See also:
High Quality Audio Amplification - Pin Compatible Double Triodes
    
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This is a Mazda version of the ECC83 and is an imported or foreign type. The use of the word foreign in the middle of the 20th century had an undercurrent of inferior to it.
The ECC83 high impedance amplifier triode was designed specifically for audio use and has a high amplification factor of 100, primarily intended for use as a resistance-coupled amplifier or phase inverter.
The reverse of the envelope with the announcement of foreign origin.
The thin glass tube envelope is 21 mm in diameter and, excluding the B9A base pins, is 48 mm tall.
References: Datasheet, 3002 & 1040. Type ECC83 was first introduced in 1954.

 

Pin Connections
B9A
1
2
3
4
5
6
7
8
9
a(2)
g1(2)
k(2)
h
h
a(1)
g1(1)
k(1)
hct

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.3
0.3
250
-2
1.2
62.5K
1.6
PDF scanned from an original document held by the museum
Updated February 03, 2013.
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