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Hi Group,
Got a 706 which has a 500 or 600 ohm mic input impedance. I have a D104 which best I can tell has a high output impedance. If I use a 60Hz step down transformer, say, 120V in gives 10v out, the turn ratio is 120/10 or 12:1. Given that I attach the mic output to the primary and the rig on the secondary, this should step down the impedance by a factor of 12^2 or 144 so that a D104 with 50K on the output is now seen as about 400 ohm. Here are a few questions, 1: Will a 60Hz transformer work well keeping the base sound and pass upto 3KHz? 2: Is the calculation of the impedance correct? 3: Would the audio as seen on the secondary be reduced by a factor of 12 such that the audio would be weak? 4: Other? Tnx de KJ4UO |