RDL DB-SFRC8 Room Control Station for SourceFlex Distributed Audio System

RDL DB-SFRC8 Room Control Station for SourceFlex Distributed Audio System

RDL DB-SFRC8 Room Control Station for SourceFlex Distributed Audio System


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RDL DB-SFRC8 overview

  • 1Description

The DB-SFRC8 Room Control Station from RDL is a SourceFlex listening station for wall mounting in a room, providing source selection and volume control from up to 8 audio sources. A numeric display shows the selected source. There are two line-level audio outputs on the rear of the unit, balanced and unbalanced, to feed an external power amplifier. The amplified power output can deliver up to 3.5W RMS into an 8Ω speaker.

A rear-panel switch set during installation causes the balanced line-level output to produce a fixed +4dBu or a variable level adjusted by the front-panel control. The unbalanced output is 12 dB below the balanced output level.

Amplification is provided by a high-efficiency Class D power stage with audio filtering tailored for crisp, audio clarity. The high-efficiency Class D output stage produces negligible heat for all levels of expected voice or music modulation.

The control station is designed to be mounted in a wall box. Wiring is connected through a rear-panel detachable terminal block. It is suitable for office distributed sound systems with background music and a paging source.

Single room listening station with in-wall controls
Source selection pushbutton
Volume adjustment using a single-turn control
Selection from up to 8 audio sources
Line-level audio output
Line output switchable fixed or variable
Variable output follows front-panel level control
3.5W RMS audio amplifier into 8Ω and 6.5W into 4Ω
High-efficiency Class D operation
Thermal and short-circuit protection
Speaker output connection on detachable terminal block
Mounts in-wall using US single gang electrical box or RDL WB-1U (both available separately)
Compatible with other RDL wall plates and controls
For office distributed sound systems with music and paging
In the Box
RDL DB-SFRC8 Room Control Station for SourceFlex Distributed Audio System
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    RDL DB-SFRC8 specs

    Input 10-position detachable terminal block
    Display 7-segment red LED (0 = off or Paging; 1 through 8 = selected channel)
    Selector Controls Momentary button channel select
    Gain Adjustment Single-turn audio taper (front-panel)
    Frequency Response 20 Hz to 20 kHz (Line level, ±0.1 dB)
    40 Hz to 20 kHz (Speaker, ±1 dB)
    THD + N < 0.1% (Line level, 20 Hz to 20 kHz)
    < 0.25% (Speaker, 1 kHz)
    Noise < -85 dB (Line level, below +4 dBu)
    < -80 dB (Speaker, below 1 W RMS)
    Control Signal DC (Display Ramp and Control conductors between remote listening station and controller)
    Line Outputs 2 x +4 dBu balanced, -10 dBV unbalanced, nominal
    Output Power 3.5 W RMS (maximum, into 8 Ω)
    6.5 W RMS (maximum, into 4 Ω)
    Power Requirement 24 VDC @ 30 mA; 55 mA (1/8 power; normal voice or music)
    225 mA (3.5 W into 8 Ω), supplied from SourceFlex controller
    Ambient Operating Environment 32 to 104°F (0 to 40°C) maximum
    68°F (20°C) recommended
    Dimensions (H x W x D) 4.13 x 1.70 x 2.05" (10.49 x 4.32 x 5.21 cm)
    Packaging Info
    Package Weight 4.4 lb
    Box Dimensions (LxWxH) 4.625 x 3.625 x 2.125"

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