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HL607

 
See also:
Mazda 1929 Valve Range Advert
    
Extras ▼

 

The Mazda HL607 is a general purpose triode designed to work with a six volt accumulator as the filament supply.
The pinch and electrodes. The filament supports show that the filament had four strands passing through the grid.
The lettering on the dome is very faint and this image has been enhanced.
The balloon envelope is 45 mm in diameter, and excluding the B4 base pins is 101 mm tall.
Reference: 1043. Type HL607 was first introduced in 1929. See also 1929 adverts.

 

Pin Connections
B4
1
2
3
4
a
g1
f
f

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
6.0
0.3
150
-3.0
1.6
20,000
1.0
Updated September 01, 2019.
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