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I designed this simple low distortion audio circuit to replace the circuit in old D104 microphones, to replace with a 600 ohm diaphragm mike cartridge since the crystal mike cartridges are hard to find now. This will match the 600 ohm cartridge good since the input impedance is exactly 600...
don't know if anybody has seen this but something to talk about =
Thanks to =AZUbeTqxOJwQIu1WyZaLAi6Cut1zBLPwZoWCoRhx0ngYDlQivGqn-5_FZoTi1n6KO_6R8zs7o-a6eixa-SUp-8VHDpPW2Xs0g0PZ0Qf6-IuTgJyd_HCUtYSOXHuktAaZF20&__tn__=-]K-R']Cruz Mendoza Medina (Mud Duck Radio Station In Mexico City) for in...
on my 2000 weather internal power supply or external i see the same watts 6 average but like yours, i see way more on my 148 at this moment because i'm using a transformer for power mod i'm seen 40 watts peak almost 12 average
does anybody know if there is a difference from an amplified mike to a pre-amplified and if any advantges
i have a non amplified tug-8 mike and was looking at this=https://www.ebay.com/itm/174339450360
here is another one now you know from 1970 till now that element has to be shot his description-=
I am the First and only owner of this Excellent Mint Condition ASTATIC D104 Microphone.
* I purchased this mic back in the early 1970's Brand New. I used it about 3 months and then was put away...
while looking for very simple less complex way for open clarifier i found these 2 i know about the 1st one but the second one saying D58 ??
Toll-free=The BEST method to rework the clarifier in the 148 is this:
Remove the 8 volt receive wire on the clarifier. This color depends on year / vintage...
somehow i forgot to check voltage at tp-9 before making my adjustment I re-check today well that sumbitch was at 5.64 volts brought it back to specs 3.01 +/- feel better now thanks for the help and advice
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