Unnumbered Page Advertisement 2

Radio Record, Volume V, Issue 6, 21 August 1931, Unnumbered Page

ANOTHER PROBLEM SOLVED WHEN ONE LF_ TRANSFORMER IS NOT ENOUGH AND TWO GIVE EXCESSIVE AMPLIFICATION; TWO OF THE NEW FERRANTI AF7 TRANSFORMERS W ILL SOLVE THE PROBLEM DESIGNED SPECIALLY FOR THOSE CASES WHERE CONSIDERABLY MORE AMPLIFICATION IS REQUIRED THAN IS AFFORDED BY ONE STAGE AND CONSIDERABLY LESS THAN THAT USUALLY OBTAINED FROM TWO. LEARN HOW THE RATIO OF 1 TO 14 MAKES POSSIBLE A TRANS-. FORMER: GIVING AN AMPLIFICATION CURVE THAT EVEN FERRANTI HAVE NEVER BEFORE ACHIEVED. New Zealand Agents = ARTHUR Da RILEY 8 COs, LTD: WELLINGTON ANCKLAND