Lowell Manufacturing CT830A-T870 8" 20W Coaxial Driver with 8W 70V Transformer
See all Lowell Manufacturing items

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

SKU: LWCT830AT870 MFR: CT830A-T870
Be the first to review this itemAsk a Question
$98.56
Earn VIP Reward Points

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.
See More Product Details
Special Order?Estimated to Ship: 08/21/2025
Free Shipping

See Options

1
Add to ListGet Sale Alert

Protect your gear with Adorama Protect.* Learn more

1 Year

$6.99

2 Year

$13.99

3 Year

$20.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Browse our FAQ

See Terms & Conditions

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.

Join VIP PRO

2 Day Delivery on thousands of items!

Sell or Trade your Gear

Get started in 3 easy steps

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