ONO SOKKI - SR-1200 Microphone Amp

SR-1200

Multi-channel Microphone Amplifier
SR-1210 (for Electret and Bias Type Microphones)
SR-1220 (for Electret Type Microphone only)

Product Brochures (PDF)

Photo (SR-1200 series Multi-channel Microphone Amplifier)

With installation of the SR-1210/1220 microphone amplifier on the PS-5500 series Power Supply Frames, it can implement a multi-channel microphone.
Possible to perform low-noise amplification of a signal from a microphone preamplifier and frequency compensation (A, C or Flat).
The SR-1210 microphone preamplifier can be available to use for either of electret or bias type microphone.
The SR-1220 is an amp. for electret microphone only.

Features

Configure number of input microphones according to requirement, for expansion of input channel more than 10 channels
Frequency weighting (A/C/FLAT) conforms to IEC 651 (Type 0)
Gain can be selected in 10-dB step with 8 ranges
Switch selection of either electret or bias-type microphone (SR-1210)

Specifications

<Discontinued>

Model		SR-1210	SR-1220
Microphone amp. to be matched		model MI-3210	model MI-3220
Bias Voltage		+200 V ± 3V (on / off, swtichable)	not provided
Frequency bandwidth		1 Hz to 100 kHz
Max. passband deviation		±1.0 dB max. (FLAT)
Frequency compensation		A/C/FLAT
Conforming standard		IEC 651 (Type 0)
Absolute max. input voltage		±15V
Input impedance		Approx. 1 MΩ
Gain	range	-10 to +60 dB in 10-dB step with 8 ranges
	accuracy	±0.2 dB max.
	adjustment range	-1 to +14 dB
Harmonic distortion		-70 dB max. (at 0dB gain, 1 kHz, 1Vrms sine wave output)
Input switching noise (FLAT)	-10 dB gain	-80 dBVrms max.
	0 dB gain	-90 dBVrms max.
	+10 dB gain	-100 dBVrms max.
	+20 to 60 dB gain	-105 dBVrms max.
Max output		±10V
Calibration signal		Can be input at the SIG-IN connector on the rear panel of the PS-5500 series Power Supply Frame Unit
Operating temperature		-10 to +40°C
Operating humidity		95% R.H (with no condensation)
Weight		Approx. 400 g