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RDL ST-SSR1 2x1 Line-Level Audio Switcher
Manufacturer:RDL
SKU:ST-SSR1
Condition:New
Warranty:3 Years

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.

Features

  • 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

Specifications:

Inputs (2): 20 kO balanced, +4 dBu nominal
Audio Output: +4 dBu nominal, 150 O balanced, terminal block
Switching Time: Fast   / Soft
Time required for NORMAL input to turn cff: 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
Control Signal: TRIG terminal must be externally pulled to ground
Control Current: 0.5 mA
THD+N: < 0.05%
Frequency Response: 15 Hz to 20 kHz (� 0.5 dB, bridging load)
30 Hz to 20 kHz (� 0.5 dB, 600 O load)
Noise (below -4 dBu): < -80 dB (85 dB typical)
Headroom (above +4 dBu): > 18 dB
CMRR > 45 dB (100 Hz, either port)
ON Gain: Unity (600 O balanced input/output)
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
Power Requirement: GROUND-REFERENCED, 24 Vdc at 40 mA
Package Type: Cardboard Box
Package Dimensions: 2x2x4 in.
Shipping Weight: 0.198 lbs.
WEEE weight: 0.145 lbs.

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