All Questions
Tagged with preamp condenser-microphone
5 questions
1
vote
2
answers
214
views
Why won't my pre-amp circuit enable my condenser microphone to work with my boombox?
I recently bought a boombox for my mother to play and record cassette tapes. I didn't realize at the time that the boom box did not have a built in microphone. I then bought a condenser microphone for ...
- 113
0
votes
0
answers
503
views
High quality, low-noise, pre-amp circuit for condenser microphone (with phantom power)?
EDIT
Suggestions so far, and reference to another question indicate that a discrete FET based input stage, perhaps followed by a particular low-noise IC for a second stage, might be a good approach.
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- 748
0
votes
2
answers
194
views
Pre-amp connection problem
I am trying to complete the circuit shown above. I am having trouble as the ground connection is not clear to me. Please help me to complete that circuit.
And also tell me how to connect C5 ground ...
5
votes
3
answers
671
views
Best microphone picking up sound within a small room?
I've tried several Electret Condenser Microphones as input to a generic USB audio sound card:
MO064202-4
MO064402-4
MO064402-5
All mics work great at close range (about 1 or 2 inches). However, none ...
- 93
2
votes
1
answer
4k
views
Any tips on designing an audio preamplifier for low frequencies?
I'm currently trying to design an audio preamp with the purpose of amplifying very faint audio signals (possibly in the microvolt range) from 20-200Hz. I've tried both transistors and op amps for ...
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