With blue crackle painted metal front
the two tuning scales is a gold-coloured print with the
word "Ronofoon". For medium
wave and long wave.
Equipped with a rectifier, a high frequency tube, a
detector and a low-frequency tube.
The radio was made by the Waldorp company
in The Hague. It has a Philips
The knobs from left to right: position
switch for volume control (see information below), primary tuning, wavelength
switch (two medium wave ranges and long wave), secondary
At the rear, connections for a
loudspeaker, a gramophone, a ground and an antenna.
The chassis above was originally part of a
The standard version can be seen on the right. (Radio:
The original price was f 230,-
The first four
positions of the volume control knob are connected to the
coupling coil taps; in the last position the coupling
coil is bridged.In this position, the switch is
connected to the output of the left-hand coil block.Only the tuned circuit is parallel. Sensitivity
is then optimal.
80258 license 29935
39 × 18.5 × 22 cm
47 x 23 x 24.5 cm
220 volt ~
Click on a valve for
Click on the circuit to
What was broadcast in 1930?
Listen to "Crazy
Pirouette" by Stan Greening and his Orchestra, recorded
on February 6,
The chassis has a Philips license plate on the back of the front plate.
On the left the position switch for the
volume, the tuning capacitor and the coils
for long and medium wave.The beautifully wound
honeycomb coil is the coupling coil.
Advertisement in BORN, July 11, 1930
Probably to show how high the license was
that had to be paid to Philips, Van Roon explicitly
mentions the price of the radio with and without license
in this advertisement.