Antique radios, Old Time Radios
Z3
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Country:
Netherlands
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| Identical to |
Z3
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| Similar
Tubes |
Normally replaceable-slightly different:
Z3_Ideezet
; ZIII
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| Production stop |
1927 |
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Successor Tubes
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TA4/125
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| Base |
Sidecontact and top contact.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 8 Volts / If 4.5 Ampere / Direct |
| Description |
130W plate dissipation, 2.5 to 4KV, 150mA, mu 30.
Bi-pin base, plus side grid screw cap and top anode screw cap.
Advertised in 1923. Most of the Z types had a matching rectifier which were a look-alike of the Z type. The rectifier for the Z3 was the ZG3 which had no grid and grid connection. The Z and Zg tubes were replaced in 1927. The Z3 was replaced by the TA4/125.
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Dimensions (WHD)
incl. pins / tip |
x 270 x 100 mm / x 10.63 x 3.94 inch |
| Information source |
-- Collector info (Sammler) Banneitz, TB der drahtl. Telephonie u.Telegr. 1927
-- Original-techn. papers. Di tubo in tubo, Soresini, pg 97
- - Manufacturers Literature
-- Collector info (Sammler)
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Z3: own collection
Peter den Boer
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Collection of
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