Radio Design Labs D-SP1A
2-Watt 8 Ohm Loudspeaker, Decora


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List Price: $99.64
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The Radio Design Labs D SERIES-SP1A is a compact 8 ohm loudspeaker that delivers rich, detailed sound in Decora-compatible wall or chassis mounts. The driver is constructed of materials found in premium larger speakers, and the 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 hemispherical area of nearly 180 degrees with the speaker mounted in a wall.

The input is connected through a 2-position detachable terminal block on the rear panel. The D SERIES-SP1A operates with a continuous audio input up to 2 watts, making it suited to be driven by speech or music content from amplifiers with a maximum rated power of up to 10 W. Models are available with grills in black (DB-SP1A), white (D-SP1A), gray (DG-SP1A) or stainless steel (DS-SP1A).

Radio Design Labs D-SP1A Features:

  • Acoustically Optimized Decora Enclosure
  • Fidelity Comparable to Larger Drivers
  • Exceptional Audio Quality for Ultra-Compact Size
  • Rich Presence and Detailed Clarity
  • Hemispherical Dispersion Mounted In Wall or Flat Surface
  • Convex Aluminum Cone with Rubber Surround
  • Neodymium Motor

Radio Design Labs D-SP1A Specifications:

  • Input Power: 2 W RMS (modulation peaks limited to 10 W)
  • Input Connection: Detachable terminal block (14 to 24 AWG)
  • Impedance: 8 Ohms (nominal)
  • Frequency Range: 150 Hz to 20 kHz, nominal
  • Sensitivity: 78 dB (1 W, 1m nominal)
  • Enclosure: Powdercoated steel
  • Grill: Formed perforated steel
  • Dimensions: Height: 4.1 in. 10.4 cm; Depth: 2.07 in. 5.26 cm (with terminal block); Width: 1.72 in. 4.37 cm
  • Mounting: Mounts in US electrical box, RDL international wall boxes WB-, surface mount box SMB-, or desktop chassis’ DC- available separately.
  • Mounting Box Minimum Depth: 2 in. 5.08 cm
  • Package Type: Cardboard Box
  • Package Dimensions: 3.625 x 4.625 x 2.125 in
  • Shipping Weight: 0.535 lbs. (D-SP1A, DB-SP1A); 0.525 lbs. (DS-SP1A)
  • WEEE weight: 0.390 lbs. (D-SP1A, DB-SP1A); 0.380 lbs. (DS-SP1A)
  • Tariff code: 8518.21.0000
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