SoundTube HP129A
12” High Power Coaxial Open-Ceiling Pendant Speaker


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The HP129A has Patented BroadBeamHP® waveguide technology providing smooth response and maximum SPL across the audio spectrum. One 12 inch (305 mm) treated fiber cone with a treated cloth surround and one 1.375 inch (35 mm) Mylar compression driver with waveguide. Ported enclosure for added bass response (down to 73 Hz, – 10 dB). High-SPL, high-efficiency system for the sound reinforcement and PA markets. Easy-access, five-position tap switch for 25/70.7/100-volt applications with transformer bypass position. Reduced amplification costs and maximum efficiency (97 dB sensitivity), with 8-ohm impedance. UL 1480 (UEAY) and 2239 (hanging cable) approved. Included accessories: hanging hardware, Euroblock connector, terminal weather boot.

NOTE: Image shown is for illustrative purposes only. Acutal product finish is in White.

Soundtube HP129A Specifications:

  • Frequency Response (-3 dB): 118 Hz – 16 kHz
  • Low Frequency(-10 dB): 73 Hz – 19 kHz
  • Sensitivity: 97.0 dB
  • Power Capacity RMS: 150 W
  • Max SPL dB @ 1 M: 119.0 dB
  • Nominal Impedance: 8 ohm
  • Transformer Options: 25 / 70.7 / 100 Volt option witha 8 Ohm direct
  • Tweeter: 1.375" Mylar compression driver with waveguide
  • Woofer: 12" treated fiber cone, treated cloth surround
  • Connections: Four-pin Euroblock
  • Height: 17.8"
  • Diameter: 18.0"
  • Weight: 36.0 lb
  • Shipping Weight: 41.5 lb
  • Optional Accessory: Surface-mount bracket (AC-HP-SM129)
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