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PM2

Sensibly equivalent to:
220P CV1019 NR28 P215 VR19
See also:
Mullard PM2 Box - The Philips-Mullard (PM) Series
    
Extras ▼

 

The PM2 is an audio output triode. The filament is for accumulator use and the anode is designed for dry battery operation with a maximum anode voltage of 135 Volts. The output power is not quoted but will be less than one Watt.
The balloon envelope is 43 mm in diameter and excluding the B4 base pins, is 90 mm tall.
Reference: 1043. Type PM2 was first introduced in 1926.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.15
100
-10.5
4
8,750
0.62

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
2.0
0.2
135
-10.5
6
4,400
1.7
Updated November 27, 2013.
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