Sound and Vibration Instrument Hire and Calibration

Norsonic 335 and 336 - Microphone Power Supplies / Amplifiers

Nor 335 : Microphone Power Supply - 8 channels with signal conditioning

Microphone and preamplifier power supplies with 200 V and 0 V polarisation voltage and signal conditioning - battery operated.

Ideal for use with DAT recorders, a range of analysers and multi-channel applications .

Eight channels with Lemo 1B microphone preamplifier inputs connectors and BNC outputs.

Each channel has selectable :-

A, C and Flat weightings with or without a high pass filter

Gain = 0 to 40 dB in 10 dB steps, corresponding to a measurement range of 20-140 dB SPL for a 50 mV/Pa microphone.

Low phase shift and cross talk between channels

Overload indicators.

Order microphones, preamplifiers, accelerometer etc., to suit your application.

Nor 336 : Microphone Power Supply - 2 channels with signal conditioning

Microphone power supplies, preamplifier system, ideal for use with DAT recorders or similar signal conditioning applications.

Dual channel with Lemo type 1B input connectors, selectable polarisation voltage and BNC output connectors.

Both channels has selectable

A, C and Flat weightings with or without HP filter

Gain = 0 to 40 dB in 10 dB steps, corresponding to a measurement range of 20-140 dB SPL for a 50 mV/Pa microphone

Low phase shift and cross talk between channels

Overload indicators

Battery powered.

Mechanically compatible with Sony D7 and D8 DAT Recorders

Often used as a stand alone dual channel microphone power supply and signal conditioner, enabling long cables back to the analyser(s).

* Our standard hire charges are based on a 4-day minimum period, details other options.