Name: RDL ST-MA2 2W Mono Audio Amplifier with Muting - 8 Ω
Brand: Radio Design Labs
SKU: ST-MA2
Price: 120.33 USD
Availability: InStock

Item Description

Input Impedance:	20 kΩ Balanced or Unbalanced Bridging
Input Level:	-10 dBV minimum for 2 Watts RMS output
Output Impedance:	8 Ω (will drive 4 Ω loads)
Output Power:	1.75 Watts RMS Continuous; 2 Watts RMS max.
THD+N:	< 0.5%
Bandwidth:	45 Hz to 14 kHz
CMRR:	> 60 dB (50 Hz to 120 Hz)
Residual Noise:	< -80 dB (below 2 Watts RMS)
Switching Time:	< 50 us
Attenuation (Muted):	> 90 dB (1 kHz), > 85 dB (300 Hz to 3 kHz) > 75 dB (20 Hz to 20 kHz)
Selectable Attenuation:	3 dB or 6 dB, each setting individually selectable using two independent inputs (connect to ground to activate)
Power Requirement:	GROUND-REFERENCED, 24 to 33 Vdc @ 200 mA for rated output (220 mA @ 2 Watts RMS)
Ambient Operating Environment:	0° C to 50° C

More Info

More Information

Brand

Radio Design Labs

Manufacturer

Radio Design Labs

SKU

ST-MA2

UPC

813721012159

Part No

ST-MA2

Weight (lb.)

0.5

Product Datasheet

st-ma2.pdf

Unit

EACH

Carton Quantity

1

Short Description

The ST-MA2 is a compact audio monitor amplifier with control inputs to mute or reduce the gain of its output. This module may be used in conjunction with other RDL® modules to configure automatic mixing systems or may be used alone as a single-speaker monitor amplifier. The ST-MA2 is typically used to drive a small tabletop or overhead monitor speaker in a conference room, boardroom, courtroom, public forum panel or similar installation. The ST-MA2 is ideally suited for use in automatic mixing systems due to its control inputs.

The line-level input may be wired balanced or unbalanced. The audio output will drive standard speakers from 4 to 45 Ω. Normal gain is preset by means of a trimmer on the module.

For tabletop installations, use the ST-MA2 with the WDG1 and RU-SP1.

Description

Input Impedance:	20 kΩ Balanced or Unbalanced Bridging
Input Level:	-10 dBV minimum for 2 Watts RMS output
Output Impedance:	8 Ω (will drive 4 Ω loads)
Output Power:	1.75 Watts RMS Continuous; 2 Watts RMS max.
THD+N:	< 0.5%
Bandwidth:	45 Hz to 14 kHz
CMRR:	> 60 dB (50 Hz to 120 Hz)
Residual Noise:	< -80 dB (below 2 Watts RMS)
Switching Time:	< 50 us
Attenuation (Muted):	> 90 dB (1 kHz), > 85 dB (300 Hz to 3 kHz) > 75 dB (20 Hz to 20 kHz)
Selectable Attenuation:	3 dB or 6 dB, each setting individually selectable using two independent inputs (connect to ground to activate)
Power Requirement:	GROUND-REFERENCED, 24 to 33 Vdc @ 200 mA for rated output (220 mA @ 2 Watts RMS)
Ambient Operating Environment:	0° C to 50° C

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