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P.M. H.T. Supply Unit

P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155092) Fuente-Al P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155093) Fuente-Al
P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155094) Fuente-Al P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155095) Fuente-Al
P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155096) Fuente-Al P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155097) Fuente-Al
P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155098) Fuente-Al P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155099) Fuente-Al
P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155100) Fuente-Al P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155101) Fuente-Al
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P.M. H.T. Supply Unit ; Mullard Radio Valve (ID = 2155092) Fuente-Al
Mullard Radio Valve: P.M. H.T. Supply Unit [Fuente-Al] ID = 2155092 1400x1866
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For model P.M. H.T. Supply Unit, Mullard Radio Valve Co. Ltd.; :
Front view
 
País:  Gran Bretaña (GB)
Fabricante / Marca:  Mullard Radio Valve Co. Ltd.;
Año: 1927 Categoría: Fuente de alimentación o bateria o estabilizador de tensión
Válvulas 1: 506
Gama de ondas - no hay
Especialidades Power Supply (not only Batt.El.)
Tensión de funcionamiento Red: Corriente alterna (CA, Inglés = AC) / 200-215 Volt
Altavoz - - No hay salida de sonido.
Potencia de salida
de Radiomuseum.org Modelo: P.M. H.T. Supply Unit - Mullard Radio Valve Co. Ltd.;
Material Bakelita con lámparas a la vista.
Forma Sobremesa de cualquier forma, detalles no conocidos.
Ancho, altura, profundidad 122 x 166 x 197 mm / 4.8 x 6.5 x 7.8 inch
Anotaciones

Mullard H.T. Supply Unit for A.C. mains with full wave rectification from a Philips 506 Full-Wave rectifying valve, providing four different H.T. supplies to replace the H.T. battery in battery-powered receivers.

Advertisement in Wireless World magazine, September 28th 1927:  "P.M. H.T. Supply Unit. – For use with an A.C. supply and provided with full-wave rectification, the P.M. H.T. supply unit is very similar to that formerly marketed by the Philips Company, and therefore carries the reputation of being thoroughly reliable.  A modification is the provision of four H.T. tapping points effected by potential dividing across a resistance.  The top of the instrument is a clean moulding, there are no parts of the circuit exposed from which shocks might be obtained, and the containing box is of metal supported on rubber feet.  The price of the complete unit is £7 10s.  A maximum potential of 180 volts is obtained on a load of 10 miiliamperes, a reduction of about 2.5 volts occurring for an increase of 1 milliampere load up to the permissible load of 40 mA."

Directions:  A warning at the bottom of the Directions plate attached to the unit advises the user not to switch on the A.C. supply before making the connections to the receiver.  It is likely that with the power supply unloaded the H.T. outputs could rise to a level which might damage the receiver.

 

 

Peso neto 4.4 kg / 9 lb 11.1 oz (9.692 lb)
Precio durante el primer año 7.10 £
Mencionado en -- Original prospect or advert (Wireless World, September 28th 1927)

Modelo creado por Nick Hayward. Ver en "Modificar Ficha" los participantes posteriores.



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