One-of-A-Kind LARGE ELECTUBE ITS INNER STRUCTURE ARE VERY UNUSUALLY SUPPORTED WITH VAST GLASS ELEMENT.
RARE Collectable Electube from 1920s Siemens & Halske. S. Electrogeräte., Germany.
| Tube type: | Space Charge Tetrode. Power/Output. 200 mm height. | |||
For 1920s wireless telegraphy and telephony / drahtlosen Telegraphie und Telephonie.
Appears Complete without fault. Excellent for its age!
EINMALIGE GELEGENHEIT. SIE BIETEN HIER AUF EINER SIEMENS OR POSTRÖHRE
AUCH ALS RE87 BEKANNT ca. 1920 BAUJAHR
SUPER RARE POSTRÖHRE. HABE DIE RÖHRE AUF DURCHGANG GEPRÜFT,
WILL KEINE WEITEREN PRÜFUNGEN VORNEHMEN DAS NICHT KAPUTT GEHT.
DAS SOLL DER NEUE BESITZER MACHEN
these following links lead to more details of this grand electube.
radioheaven.homestead.com/SH_OR.html
radiomuseum.org/tubes/tube_re87.html
| Base | Telefunken Tpe Pins |
| Filament | Vf 2.5 Volts / If 1.1 Ampere / Direct / Battery = / |
| Description |
For the muliplex telegraphy system. The R-Type with tungsten
filament was soon superceeded by the OR. Main difference is that the OR has a oxyde coated cathode. Both have an amplification factor of 4. The OR was also marketed (made) by Telefunken as RE87. |
| Dimensions (WHD) incl. pins / tip |
48 x 200 x 48 mm / 1.89 x 7.87 x 1.89 inch |
| Weight | 148 g / 5.22 oz |
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