High
impedance
electromagnetic (inductordynamic) loudspeaker
Was
introduced by Nijkerk's Radio, Weesperstraat 38,
Amsterdam as a kit, e.g. together with the Varadyne
radio, in the beginning of 1932. Housed in solid
mahogany
cabinet with mahogany veneered plywood front and back,
designed by the N.V. Nederlandsche Fabriek
voor Betimmeringen v/h Gebroeders Reens.
The speaker above
(model Prima-Donna) has a neutral front, but could also
be supplied with a Varabesk cabinet withthe name "VARA",
a Dutch broadcast organisation,
cut out in the front (picture right).The cabinet is assembled by means of
a number of nickel-plated copper bars.The "inductor dynamic" system can
be set between 500 and 3000 ohms (500, 1000, 1500, 2000,
2500 and 3000 ohms).
In fact, this is a "Freischwinger" speaker;the term "dynamic" seems to have been
added, because in that period competition had to be made
with the dynamic speaker.
The loudspeaker has a diameter of 28 cm.
The
original price of the loudspeaker was f 24,75. The
cabinet cost f 12,90.
Data
Serial number:
59083
(cabinet number)
Made in:
1932
Purchased in:
2019
Dimensions
(h x w x d):
37 x 44.3
x 23.5 cm
DC
resistance:
depends on the connection
Weight:
6.1 kg
What
was broadcast in 1932?
Listen to "Magnolia"
by
The Ramblers Dance Orchestra, recorded in the Chenil Gallaries, London,
November 8, 1932
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