Page 14 Advertisement 3

Radio Record, Volume I, Issue 23, 23 December 1927, Page 14

SS0 =OSOS0 S0S0SOC0COCOGOSOC Eliminate Your 6 B" 7 ALLAMERICAN Battery Troubles witb the TMaOl MARR ! DEMAND EXCEEDS SUPPLY Gnstant-B CONSTANT "B" BATTERY ELIMINATORS have proved eastly Battery Eliminator the best units yet brought into this country, and the demand has always exceeded the supply. power Their remarkable feature is that comparative tests prove that the "CONSTANT " 9) causes any receiver to deliver 727} GREATLY-INCREASED POWER; in fact, it is safe to say that, compared with any other well-known eliminators cr ordinary ~B" Batteries the CONSTANT "B" is EQUAL TO AN ADDITIONAL STAGE OF AMPLIFICATION. A well-known radio technician reports that this is a5 trae on short-waves as on broadcast-wave receivers: The wide range of available voltages on the taps provided, together with the Hi-lo switch, adapts this Eliminator to almost any make of receiving set from 1 to 10 valves; On the low side of switch it will satisfactorily supply current for sets requiring up +0 25 ! 135 volts, of 35 mils at 180 volts: There is nomils at . fico up to 60 mils at 135 volts, or 35 mils at 180 volts: There j8 no Ke hum, ripple 01' other extrancous noise with 2 "CONSTANT B" Let your local Dealer demonstrate: Wholesale Distributors: CONSTANT "B" BATTERY ELIMINATOR Customs Street E, complete with Raytheon Tube EIO M0 Abel,Smeeton Ltd. AUCKLAND. OC0C 30X 30 0- L70 3u}