Diaphragm Microphone DIY Production Modified Circuit Board

1. The bias voltage board can be applied to other triode front-mounted printed circuit boards, suitable for DIY use by friends with strong manual skills, friends who have no practical ability, please buy our front panel + polarizing plate

2.60V single output, +-60V dual output, +60V dual input, +60V and +120V dual output, can be selected according to the bias voltage of the large diaphragm, single output is suitable for single-layer, double-diaphragm microphones Output, suitable for dual-diaphragm microphone head

3. It is recommended to use +60V and +120V dual output versions. If you feel that the sound is not strong enough, and the sensitivity is not high enough under 60V voltage, you can switch 120, and then you can connect a switch

parameter:

Product name: Microphone circuit board

Microphone type used: large diaphragm, mid-diaphragm condenser microphone (suitable for diaphragms with a diameter of 25mm or less)

Frequency response: 40hz-16khz

Sensitivity: -48db

Output impedance: 250 ohms

Maximum sound pressure level: 125db

Signal to noise ratio: 60db

Power supply: 15-48V phantom power

Working current: 3.1ma

Purpose: DIY production repair modified circuit board

Colour:Red

Material:PCB+metal

Size:45x15.8mm

Package Contents:

1* Microphone circuit board

Only the above package content, other products are not included.

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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