Oak cabinet, black aluminium front
and bakelite knobs. Design by Otto
van Tussenbroek. Made by Van der Heem & Bloemsma,
The Hague. This firm released the same model using their own
name: the H. & B. 34.
Volk, dagblad voor de arbeiderspartij, September
radio was presented at the Jaarbeurs Autumn Trade Fair in Utrecht in September
from left to right: primary tuning, reaction control,
secondary tuning, wave lenght switch. The two scales are
illuminated by a bicycle lamp (6V, 0.3 A).
At the topof the chassisare the connections foraspeaker and
a gramophone, as well assocketsforantennaandearth.
Date stamp on one of the
condenser blocks: October 6, 1931.
The original price was f
Strangely enough there is another Erres KY111: a tombstone model with a
built-in loudspeaker (see pictures below.) That
radio was marketed by Lindeteves-Stokvis in the Dutch
East-Indies in 1934.
Listen to "Sweet and
Lovely", by the Orchestra of Jerry Hoey and vocals by
The Les Allen Trio, recorded in November 1931
With Erres loudspeaker (1930)
Valves (left to right) C443, E424, E452T, 506K
A look inside
A second copper coil base is situated
behind the mounting plate with resistors to the right,
below the central capacitor block. The Philips 4000 l.f.
transformer (below left) had to be repaired.
Advertisement for the KY111
tombstone in Het Nieuws van den Dag
voor Nederlandsch-IndiŽ, May 12th, 1934...
...and in the Nirom-Bode (1934)
This radio has the
following valves: E446, E446, E443H
and 1823. The radio uses
resistance-coupling, as transformers would not have a
great lifespan in humid
conditions. The wave lengths are 12-40 meters,
30-85 meters and 75-200 meters.
Erres KY111. Picture from a leaflet
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zaterdag 27 april 2019