Hi guys,
I recently purchased this Klein and Hummel B74 microphone preamp module because it was cheap and had a Beyer transformer. It is designed to be plugged into a larger unit which would probbaly be a sound system or tape recorder, etc.
Anyway, I have the schematic for it which I will try and post here, and was wondering if anyone could give me advice on how to wire it as a standard mic preamp. I can deal with constructing a suitable power supply and making an enclosure for it, but I am unsure which connection on the board is which and also how to adjust the gain.
I have studied transistor theory (and have a degree in electronics) but I seem to have forgotten a lot of it and don't understand the circuit 100%.
Any help would be greatly appreciated.
Roddy
I recently purchased this Klein and Hummel B74 microphone preamp module because it was cheap and had a Beyer transformer. It is designed to be plugged into a larger unit which would probbaly be a sound system or tape recorder, etc.
Anyway, I have the schematic for it which I will try and post here, and was wondering if anyone could give me advice on how to wire it as a standard mic preamp. I can deal with constructing a suitable power supply and making an enclosure for it, but I am unsure which connection on the board is which and also how to adjust the gain.
I have studied transistor theory (and have a degree in electronics) but I seem to have forgotten a lot of it and don't understand the circuit 100%.
Any help would be greatly appreciated.
Roddy