Lowell Manufacturing CT830A-T870 8" 20W Coaxial Driver with 8W 70V Transformer
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Lowell Manufacturing CT830A-T870 8" 20W Speaker Coaxial Driver with 8W 70V Transformer, 12 oz Magnet

SKU: LWCT830AT870 MFR: CT830A-T870
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Key Features

  • Experience exceptional sound quality with this 8" coaxial speaker driver.
  • Enhance your audio setup with a durable, 20-gauge stamped steel frame.
  • Achieve accurate sound reproduction across a wide 53Hz-14.3kHz frequency range.
  • Enjoy versatile compatibility with 70V transformer taps at 1, 2, 4, and 8W.
  • Ensure low distortion and clear audio with a 12 oz woofer magnet.
  • Get wide sound dispersion with an 80-degree conical angle at 2000Hz octave.
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Special Order?Estimated to Ship: 09/12/2025
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Lowell Manufacturing CT830A-T870 Specifications

  • Frame

    20-gauge stamped steel with zinc-plated finish

  • Driver Type & Power Rating

    Coaxial 8 ohms & 20W

  • Driver Size

    8" (20.32cm)

  • Driver Magnet Weight

    12 oz (340.19g) (woofer), 2.1 oz (59.53g) (tweeter)

  • Mounting Bolt Circle

    7.62" (19.35cm)

  • Transformer

    70V with taps at 1, 2, 4, 8W

  • Assembly Mounting Depth

    3.30" (8.38cm)

  • Assembly Frequency Response

    53Hz-14.3kHz (+/-6dB) and 44Hz-20kHz (+/-7.1dB)

  • Assembly Dispersion Angle

    80 degrees conical at 2000Hz octave (-6dB)

  • Assembly Average Sensitivity

    97.1dB

  • Max SPL

    106.1dB

  • Compliance & Certification

    Made in U.S.A. with global components
    Meets or exceeds industry standards

About Lowell Manufacturing CT830A-T870

When it comes to delivering exceptional sound quality for paging and background music, the CT830A-T870 8" 20W Speaker Coaxial Driver with 8W 70V Transformer stands out. This high-performance coaxial speaker, equipped with a 12 oz magnet, is designed to provide a superior audio experience. The integrated 8W 70V transformer ensures consistent, high-quality sound transmission, making it an ideal choice for professional audio setups. With a power output of 20W, this 8-inch speaker driver delivers clear, crisp audio, enhancing your listening experience. Whether you're setting up a sound system for a commercial space or a home audio system, the CT830A-T870 8" 20W Speaker Coaxial Driver with 8W 70V Transformer and 12 oz Magnet is a reliable choice for high-quality sound production.

Lowell Manufacturing CT830A-T870 Features

  • High frequency speaker with first order high pass filter, ceramic magnets (12 oz. LF, 2.1 oz. HF) and permanently aligned voice coils (1" LF; 0.563" HF). 20-ga. stamped steel frame with zinc plated finish
  • Mounted and wired 70V transformer (No. TLM-870) has primary taps at 1, 2, 4, 8W
  • Meets or exceeds all applicable EIA standards
  • Performance: Background music and paging

Warranty Information

This product has a limited warranty of 12 months.

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Key Features

  • Experience exceptional sound quality with this 8" coaxial speaker driver.
  • Enhance your audio setup with a durable, 20-gauge stamped steel frame.
  • Achieve accurate sound reproduction across a wide 53Hz-14.3kHz frequency range.
  • Enjoy versatile compatibility with 70V transformer taps at 1, 2, 4, and 8W.
  • Ensure low distortion and clear audio with a 12 oz woofer magnet.
  • Get wide sound dispersion with an 80-degree conical angle at 2000Hz octave.

What's in the box:

  • Lowell Manufacturing CT830A-T870 8 " 20W Speaker Coaxial Driver with 8W 70V Transformer
  • Lowell Manufacturing 1 Year Limited Warranty