Page 10 Advertisement 1

Radio Record, Volume V, Issue 42, 29 April 1932, Page 10

1 FREQUENCY CHARACTERISTIC '00 Z00 #Od 800 1850 3000 Eooquenc ecc0 iq000 UNIFoRM AMPLiFicATion without distortion An essential feature of an audio transformer is uniform amplifica- tion without distortion of all fre- quencies between 100 and 8000 cycles: The above charac- teristic curve for the STAN- DARD AUDIO TRANS- FORMER shows the ampli- fication to be practically con- stant between 100 and 3000 cycles, and that the variation Yxeroquencv lis negligible from 3000 to 8000 TANSFOAurrCy lcycles 1.4 The use of the specially- patented core has resulted In 8 transformer that meets pevery requirement, at the Ise same time being of midget size without sacrificing per- formance and dependability: Grid It is 73 ounces in weight; and Tension the dimensions are 2ins. X 18 ing: X 1 3-8 ins: It is defi- 'nitely equal to any old type bulky units used hitherto. Aslc Yoa Radio Dealer for Free Leaflet or Write to Standard Telephones and Cables (Afsic) Limited HEAD OFEICE: G.P.o. Box 638, Wellington. ATOKIAND : G.PO Box 1897 SOUTH ISIAND: I, R Scott, Istd,, Christchurch. The LEADER Of them AII Forty yearg ago Hellegens made the first serviceable dry cell; and thereby obtained 8 lead over the many competitive imitators which later sprung up: This lead is still maintained: For longer service and Ask your dealer, your full money 3 worth, ask for Hellesens or write to Batteries every time. For Battery Radios, JOHN Hellesens Batterieb are best: CHAMBERS & SON; LTD: Jervoig Quay, Wel HELLESENS lington, an 1 ab Auckland, Ohrigb- churdh, Dunedin: Batteries 314704 27 0er4a Ancel #RWRERE QUEAA FENASEOR#ER 0oet 06 #elemfarmi 6249n vee #Etirled "7i4 2772924 Plate_ Tension