Page 2 Advertisement 1

Radio Record, Volume IV, Issue 6, 22 August 1930, Page 2

The whole gamut of sound covered by the marvellous flexibility of The New Osram Power Valves Osram P625A i5 3 super-powcr ame plifying valve. Used HE deepest bass of the great in Etheetlast ~iifepIo your duce the fullest volume organ 37 the shrill treble of the without distortion with a quality of tonc piccolo the: whole wide range of which will satisfy you_ Especially suitable for musical,sounds that can be produced use in Gramaphone Amplifers by a orchestfa; are faithfully beprodced with extraordinary tonal putity by the new Osram Valves. SPECIFICATIONS: Fil Volts 6.0 mar; No slufring; no eslasting but Fil Current 0.25 amp. Plate Volts 180 mar; petfect fepioduction under all con- Amp. Factor 8.7 Impedance 1,600 ohms ditions, are assured by the use of Normal Slope 2.3 ma/volts Ostam British-made Valvesa Mar; Plate Cur: 28 1,2, Equiv. UX17IA, C6o} If you' 'cannot obtain locally the Other Osram Super- Power Valves that wilk Osram Valve you need, it will be give equal satisfaction Gre P425 end P625. sent ditect; safe delivery guaranteed Ask for a copy of S6 The Ostam Valve Guide '_a very useful book- let ftee on request, VTZN o Made in England