Audio Production Equipment : Amplifiers (Audio) : RDL, Radio Design Labs - ST-GLA1

Gated Line Amplifier - Noise Gate

Series:

Model: ST-GLA1

A gated line-level preamplifier
Self gating to suppress unwanted noise
Fast, silent audio switching
Integral single-ended noise reduction
Adjustable gain and threshold

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The ST-GLA1 is a self-gated line amplifier designed to be used in a variety of situations where it is desired to produce an automatically switched line-level signal with integral noise reduction. This module may be used in conjunction with other RDL® modules to configure automatic mixing systems or may be used alone as a noise gate. The open-collector slave output may be used to trigger other equipment or RDL modules. The versatility of ST-GLA1 applications range from complete automatic mixing system design to the addition of automatic gating to the inputs of conventional mixers or amplifiers to suppress accumulated or induced system noise.

The input and output may be wired balanced or unbalanced. Two LED indicators are provided for adjustment.

A gated line-level preamplifier
Self gating to suppress unwanted noise
Fast, silent audio switching
Integral single-ended noise reduction
Adjustable gain and threshold
Balanced or unbalanced input / output
Open-collector logic output

Amplifier Signal Type - Audio
Amplifier Type - Other

Operating Temperature (Maximum): 55 C
Operating Temperature (Minimum): 0 C
Maximum Frequency Response (Bandwidth): 30 kHz
Maximum Frequency Response (Bandwidth): 30000 Hz
Minimum Frequency Response (Bandwidth): 10 Hz
Minimum Frequency Response (Bandwidth): 0.01 kHz
Total Harmonic Distortion + Noise (THD+N): 0.20 %
Number of Inputs: 1
Number of Outputs: 1
Inputs: 10 Kilo Ohms balanced or unbalanced, bridging
Input Level: -15 to +4 dBu
ON Gain: Adjustable to produce +4 dBu output for rated input signal range
Headroom: > 18 dB (above +4 dBu)
THD+N: < 0.2 %
Residual Noise: < -95 dB (below +4 dBu muted)
Outputs: 150 ohm (+4 dBu Balanced, -10 dBV unbalanced)
Switching Time: 30 ms
Off Delay: 2 seconds nominal (may be extended using external capacitor)
Control Output: Open-collector @ 50 mA
Muting Attenuation: > 60 dB (referred to input signal level)
Muting Threshold: –16 to –35 dB (adjustable, referred to +4 dBu)
Detector Bandwidth: 20 to 5000 Hz
Power Requirement: 24 to 33 VDC @ 75mA

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Datasheet for Gated Line Amplifier - Noise Gate 543644 kb - Other

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