Gear / Technical Help > Battery Boxes, Preamps, Mixers, ADCs, and Processors
CA-Ugly vs SP-SPSB-10
one8ung:
CA-Ugly vs SP-SPSB-10
I soldered two DPA 4061 microphones to a 1/8-inch stereo jack.
The specifications says the microphones need Min. 5 V - max. 10 V
I measure 2x 4.35v on the 9v CA-Ugly box, now I thought I was smart and bought a 12v SP-SPSB-10 battery box and was hoping on 2x 6v but now I measure 2x 4.1v on it!
I measure with a standard electrical tester, has anyone measured with a true RMS meter?
breakonthru:
10V is too high dont run those with a 12V bat box
"RMS" doesnt apply to dc voltage measurements
one8ung:
The Ugly box is a parallel circuit in my understanding that's why both mics get 4.35 V
Or am I seeing that wrong too?
audBall:
SP will modify the SPSB-10 to accept the smaller (mini) 9V batteries and did for mine. I haven't tested the output voltage or how long they last though.
one8ung:
Installed a fresh battery but it gives me 4,1 volts again
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