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Radio Record, Volume II, Issue 11, 28 September 1928, Page 15

BLENHEIM listener writes: ‘"AIlow us to congratulate you on the excellent broadcast from 2MB, Sydney. We enjoyed the novelty very much indeed, and though conditions did not permit full continuity it was nevertheless very noteworthy. It may interest you to know that I operated eight pairs of *‘phones from an ordinary crystal at full *phone strength, and I consider that 20 pairs could have been operated at good ’phone strength from your relay when at its full power. When you come to consider it, this is remarkable."