Primo Microphone Capsules
Omni directional (non-directional) Signal to Noise ratio 80dB (Self Noise 14dBA) Available as single capsules, 2 matched or 4 matched Also available with short wires pre-soldered Sensitivity -28 dB (+/- 3dB at 1kHz, 0dB=1V/Pa) Operating Voltage 3 V (2-10 V) Maximum input Sound Pressure Level 119 dB Comparison table for Primo Microphones
Please note the Primo EM184 capsule is no longer manufactured. The Primo EM264Y is a close equivalent. Primo EM184 Cardioid Microphone Capsule. Available singly or as sensitivity matched pairs for stereo use. Available as 4 matched capsules for ambisonic use. Also available with pre-soldered wires Comparison table for the Primo Microphones
A tiny high quality capsule only 6mm in diameter and 2mm deep. Primo suggest the EM258 as a replacement for the Panasonic WM-61A. Signal to Noise ratio 74dB (Self Noise 20dBA) Sensitivity -32 dB (+/- 3dB at 1kHz, 0dB=1V/Pa) Operating Voltage 3 V (1.5-10 V) Useful Ultrasonic response Mono Module is available Comparison table for the Primo Microphones
Omni directional electret mic capsule. High performance, Low noise, High quality. Sensitivity: -42.0 (0dB=1V/PA) S/N Ratio: 70 dB at 1KHz Available as matched pairs Comparison table for the Primo Microphones This capsule requires a FET and circuitry, please see the datasheet below
Primo EM264Y Cardioid Microphone Capsule For general use, low noise and high sensitivity Sensitivity matched pairs and quads are available Alternative to Primo EM184 which is no longer manufactured Comparison table for the Primo Microphones
Uni-directional Signal to Noise ratio 78dB. at 1 kHz Sensitivity -41 dB (+/- 3dB at 1 kHz, 0 dB=1V/Pa) Operating Voltage 5 V (3-10 V) Maximum input Sound Pressure Level 138 dB Comparison table for Primo Microphones
Cardioid Electret (Uni-directional) Signal to Noise ratio 78dB at 1 kHz (1 Pa, A weighted) Sensitivity -31dB (+/- 3dB at 1kHz, 0dB=1V/Pa) Operating Voltage 5 V Maximum input Sound Pressure Level 127dB SPL Also available with short wires pre-soldered 2 wire connection Weight 1.8 g Comparison table for Primo Microphones
A tiny (6 mm dia) high quality Primo EM258 capsule as complete working microphone module ready to build in to a housing or enclosure. No soldering required Requires capsule and cable to be supported 1.0 metre screened cable. 3.5 mm stereo plug, the signal is sent equally to both the left and right channels. Primo EM258 Data Sheet EM172 Mono is available.
A complete working stereo microphone module ready to build in to a housing or enclosure. Complete working microphone ready to plug in No soldering required Ideal for binaral use Does require capsule and cable to be supported 1.5 metre screened cable Metal bodied, gold plated, stereo plug Single version of this module is available here Also Mogami 2368...
A collection of parts to make a simple high quality stereo microphone 2 x Primo EM172 capsules 1 x Neutrik gold plated stereo 3.5 mm plug Cable length 1.5, 3 or 10 metres 10 cm of Grey, 1.6mm Heatshrink Sleeving to cover exposed wire Basic wiring diagram Alternately our Module Primo EM172 module is available. Also Kit with 2 x 1.5 metre Mogami cable...
6mm Microphone Capsule Holder. A convenient means of mounting tiny capsules, the rubber also provides some vibration isolation. Internal diameter 6mm External diameter 10 mm Height 10mm Maximum width 17mm Suitable for Primo EM258 and other 6mm capsules.