an oak cabinet with Bakelite knobs and black feet. The
receiver was made by Van der Heem & Bloemsma, The Hague.
The front shows two big knobs for primary and
secondary tuning. The right knob is used for reaction control.
Two push-pull wave length switches are situated below the big knobs.
The metal version of this radio
was introduced at the Trade Fair, September 4-13, 1928 in
the beginning of 1929, shortly before the Spring Trade Fair,
19-28 February in Utrecht, the wooden version was announced. A
Sterling 75 loudspeaker was recommended for this radio.
model was reviewed in Radio Expres, February 22nd, 1929. Production of the metal version
continued. The model in oak cost fl 10,- more.
version of the
Erres KY. Both side
panels are made of wood. The small knob between the two
bigger ones is not original.
Listen to "Singing in the Rain",
by Pete Mandell and his Orchestra, recorded November 14, 1929
Back with closed back panel
On the left side we can see the Erres
mains transformer and choke coil. Two Waldorp push-pull wave
length switches can be seen above. On the right hand side the
Erres Junior coupling transformer. Aerial capacitors are by Pilot Igranic,
the glass capacitors and the detectors grid lead
resistor are by Loewe; all other resistors are by Dralowid. The
filament leads are shielded by a lead covering.
Advertisement for the Erres KY in
Centrum, February 15th, 1929...
...and in the program guide of
broadcasting organisation AVRO, dated April 26th, 1929
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zaterdag 27 april 2019