• RDL ST-SSR1 2x1 Line-Level Audio Switch
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RDL ST-SSR1 2x1 Line-Level Audio Switch

RDL ST-SSR1 2x1 Line-Level Audio Switch

SoundPro Item: 71832 | Part Number: 001-0035

$157.13
$209.51 $157.13
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MSRP: $209.51 | MAP: $157.13

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  • Switch Line Level Sources
  • Select Between Two Balanced Lines
  • Silent Audio Switching
  • Switching Without Hard Relay Contacts
  • Fast Switching for Audio Muting
  • Selection by Open-Collector Logic
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The ST-SSR1 was designed for absolute silent switching of audio signals. It supports two balanced line-level inputs and one balanced output. Each can be used unbalanced as well. The ST-SSR1 is perfect for switching between two input signals or as a silent On/Off switch for a single channel. Performance is in keeping with the technical standards for which RDL® has become known. The user can program the module for either fast or soft switching.

The SELECT input feeds the OUTPUT when the TRIG terminal is grounded, otherwise the OUTPUT is fed by the NORMAL input.

The control current required at the TRIG terminal is so minimal (< 0.5 mA) that the ST-SSR1 can be controlled from nearly any source from switches to logic circuits.

The ST-SSR1 may be controlled using the RDL D-RC2ST or the D-RT2 remote controls.

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Specifications

Dimensions
Package Dimensions
2 x 2 x 4 in.
Weight
Shipping Weight
0.198 lbs.
WEEE Weight
0.145 lbs.
Electrical
Control Current
0.5 mA
THD+N
< 0.05%
Power Requirement
GROUND-REFERENCED, 24 Vdc @ 40 mA
Audio
Audio Output
+4 dBu nominal, 150 Ω balanced, terminal block
Frequency Response
15 Hz to 20 kHz (± 0.5 dB, bridging load), 30 Hz to 20 kHz (± 0.5 dB, 600 Ω load)
ON Gain
Unity (600 Ω balanced input/output)
Connectivity
Inputs (2)
20 kΩ balanced, +4 dBu nominal
Time Required for NORMAL Input to Turn Off
10 us / 5 ms
Time Required for NORMAL Input to Turn on
15 us / 70 ms
Time Required for SELECT Input to Turn Off
15 us / 10 ms
Time Required for SELECT Input to Turn on
20 us / 35 ms
General
Switching Time
Fast / Soft
Control Signal
TRIG terminal must be externally pulled to ground
Noise (below +4 dBu)
< -80 dB (85 dB typical)
Headroom (above +4 dBu)
> 18 dB
OFF Attenuation
> 80 dB (10 Hz to 20 kHz, either input)
Indicators (2)
LED showing active input (left LED=NORMAL; right LED=SELECT)
Ambient Operating Environment
0° C to 55° C
Audio Performance
CMRR
> 45 dB (100 Hz, either port)

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