hi , i have lavalier microphones that fits sennheiser wireless (trs 3,5mm plug) and need to power them up with phantom or maybe external bias voltage source. have an idea to use them with my binaural head but never figured out to power them with minimum noise. there are some diagrams but it seems not confidental. anyone give me idea about how to do it or show me a proper design
Countyman b3 (first choice) , voice technologies vt403, sennheiser mke2. I have those but i think i am gonne use b3s for that application.
48V Phantom Feed Supply for Microphones
Does "M" know you want this and have you got a "license to kill" ?
Countryman supplier of hidden /spy microphones .
Does "M" know you want this and have you got a "license to kill" ?
Countryman supplier of hidden /spy microphones .
I didnt get what you wrote about “M” 🙂
Also i need a 2-5 volt supply or 48v to plug in power (2-5volts again). This shows about a direct 48volt supply
Sorry my sense of humour doesn't seem to extend beyond the UK.
That link shows schematics for building a 48V phantom power supply its not hard to build .
If its 2.5 V you want then that is a different matter the usual range of phantom supplies start at 11Volts upwards so can I confirm --you are looking for a 2.5 Volt supply ?
That link shows schematics for building a 48V phantom power supply its not hard to build .
If its 2.5 V you want then that is a different matter the usual range of phantom supplies start at 11Volts upwards so can I confirm --you are looking for a 2.5 Volt supply ?
Contryman accepts 9 to 48V, so plugs directly to a 48V mixing desk.
Voice technologies accepts 9V Max. Use a battery for clean power.
Sennheiser accepts 7.5V. A LM317 supply would do the job.
Voice technologies accepts 9V Max. Use a battery for clean power.
Sennheiser accepts 7.5V. A LM317 supply would do the job.
You are saying that just plug via xlr and give 48v without any attenuation. Normally they use it with an adapter that has preamp in it. I thought the unit converts the voltage down to 9volts as well. Will try to power up with 48volt. Let you know.
I wish i got that but it didnt get through Turkey. That is my bad though ahahah
I thought i need that supply but i will try now with 48v as Maaco told.
Cant manage to power it up via desk with 48volts. It has 3 cables;shield , black, red. I think i need to power it up with 9volts. Does anybody refer me a schematic for it?
B3 Omnidirectional Lavalier - Countryman.com.
Ok try with a 1200 Ohm resistor in series first to limit current to 4mA