Model: 930 (S930)
Antique radios, Old Time Radios
930 (S930)
Country:
Great Britain (UK)
Manufacturer/Brand:
Eddystone, Birmingham
Year: 1958
Type:
Receiver used for civil commercial purposes, e.g. point-to-point maritime or aviation communications, used or second hand sets often used by radio amateurs. Often used also for military communications, partly special variants to military specifications.Communication Receiver (also Amateur)
Mod.-ID = 113221
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Schematics etc.: 0 (for
members)
Principle
Superhet with a preamplification stage.
Please use «To add informations to model» if you know more! Thanks.
Récepteur TSF superhétérodyne avec préamplification de HF.
Superhet mit HF-Vorstufe.
Superhet with RF-stage
Wave bands
UKW-Gerät ohne weitere Wellenbereiche - muss nicht FM sein!.VHF only (not necessary in FM)
Power type and voltage
AC set plus voltage range.
/ = 2 different voltages
- = voltage from-to
* = «Special»
Apparareil à courant alternatif. Tensions mentionnées.
/ = 2 Spannungswahlen
- = von-bis
* = Fabrikwahl/«Spezial»
Trafo ist nicht immer mit Primär- undSekundärwicklungen versehen. Dadurch kann das Chassis ein gefährlichesPotential führen.Alternating Current supply (AC) / 110-120; 200-250 Volt
Loudspeaker/pwr.out
Permanent magnet type moving coil speaker (principle by Rice-Kellog, without field excitation coil).
Haut-parleur avec système dynamique à aimant permanent (sans bobine d`excitation).
Permanentdynamischer Lautsprecher, also (modernes) Tauchspulenprinzip mit Selbsterregung bzw. Permanentmagnet statt Magnetspule. Siehe «Radios von gestern» Seiten 329ff.Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
from Radiomuseum.org
Model: 930 (S930)
Material
Metal case.
Caisse en métal.
Gerät, dessen Gehäuse aus Metall gefertigt ist. Es kann sich um verschiedenartige Metalle und Oberflächenbearbeitungen handeln. Ist es hingegen nur ein Chassis, so erhält das Gerät eine andere Bezeichnung.Metal case
Shape
Tablemodel, with any shape - general.
Valves / Tubes
10:
6AM6
(more
for members)
Notes
VHF receiver, original version 70 - 90 MHz, AM, FM;
initially produced for the BBC to monitor wireless microphones.
Many variants with different waveband coverage.
This model was suggested by Martin Bösch.
More information on
930 (S930) (Eddystone, Birmingham)
The 930 did exist in an abundant number of variants with different waveband coverage, mainly used for monitoring puposes.
Variant
coverage (waveband)
Variant
coverage (waveband)
930
70 - 90 MHz
930/1
100 - 120 MHz
930/2
85 - 102 MHz
930/3
110 - 130 MHz
930/4
70 - 90 MHz (as 930)
930/5
100 - 120 MHz (as 930/1)
930/6
27 - 28 MHz
930/7
90 - 110 MHz
930/8
80 - 96 MHz
930/10
60 - 76 MHz
930/11
80 - 100 MHz
930/12
45 - 55 MHz
Further informations:
930/12 : completely self contained set with incorporated power supply and speaker.
We are very interested in further informations, about which services did make use of the different variants of this model and about the purpose of use.
Thanks Martin
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