Radio Design Labs DS-PSP1A
Active Loudspeaker, Decora-Style


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The Radio Design Labs D SERIES-PSP1A is a compact active loudspeaker that delivers rich, detailed sound in Decora-compatible wall or chassis mounts. It is a single-pair audio amplifier module compatible with RDL Format A twisted pair products. The PSP1A receives audio and 24 Vdc power through a rear-panel RJ45 jack. A rear-panel switch set during installation determines which of the three FORMAT-A pairs is amplified. 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 amplified output level is controlled by a front-panel volume control. The PSP1A includes an analog compressor/limiter that makes higher average sound output levels possible without clipping.

The driver is constructed of materials found in premium larger speakers. The unique steel enclosure provides full baffling in a tightly-sealed rigid structure. This produces sonic presence within an extended frequency range expected from larger speakers. Internal filtering rolls off out-of-band frequencies to reduce distortion and increase peak power capability. Dispersion covers a spherical area of nearly 180 degrees with the speaker mounted in a wall.

Models are available with grills in black (DB-PSP1A), white (D-PSP1A), gray (DG-PSP1A) or stainless steel (DS-PSP1A).

Recommended Power Supply:
PS-24AX (International)

Radio Design Labs DS-PSP1A Features:

  • Exceptional Audio Quality for Ultra-Compact Size
  • 2 Watt RMS Audio Amplifier
  • Compressor/Limiter Prevents Clipping
  • Connects to Format-A Sender using Twisted-Pair Cable
  • Powered from RDL Twisted Pair Format-A Sender
  • Front-Panel Gain Adjustment
  • Acoustically Optimized Decora Enclosure
  • Fidelity Comparable to Larger Drivers
  • Hemispherical Dispersion Mounted In Wall or Flat Surface

Radio Design Labs DS-PSP1A Specifications:

  • Input: RDL Format-A
  • Input Connection: RJ45
  • Format-A Signal Pair Used: Switch-selectable A, B, or C (Rear-panel)
  • Gain Adjustment: Single-turn audio taper (Front-panel)
  • Maximum SPL: 81 dB
  • Frequency Range: 150 Hz to 20 kHz, nominal
  • CMRR: > 80 dB (50 Hz to 120 Hz)
  • Power Requirement: 24 Vdc @ 55 mA (Idle); 100 mA (maximum), Ground-referenced
  • Ambient Operating Environment: 0° C to 40° C Maximum; 20° C Recommended
  • Dimensions: Height: 4.12 in. 10.46 cm; Width: 1.72 in. 4.37 cm; Depth: 2.27 in. 5.77 cm
  • Package Type: Cardboard Box
  • Package Dimensions: 3.625 x 4.625 x 2.125 in.
  • Shipping Weight: .562 lbs.
  • WEEE weight: .423 lbs.
  • Tariff code: 8518.40.2000
24 VDC 500mA Switching Power SupplyRadio Design Labs PS-24AS 24 VDC 500mA Switching Power Supply

Radio Design Labs' PS-24AS is a 24 Vdc switching power supply with a North American AC plug.  500 mA, dc plug.Specifications: Input: 100 to 240 VACOutput: 24 Vdc, 500 mA (UL, CSA)Dimensions: 1.65" x 2.75" x 1.45" (4.2 x 7 x 3.7 ...

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