MartinLogan Motion 8i Center Channel Multi-Purpose Speaker – 180W, Gloss Black

Product Description

The MartinLogan Motion 8i is a versatile, high-performance speaker designed to deliver the "Truth in Sound" that audiophiles expect. Whether used as a dedicated center channel for crystal-clear movie dialogue or as a left/right main speaker in a sleek home theater setup, the Motion 8i combines elegant aesthetics with advanced acoustic engineering. Its slim, curved cabinet in a premium high-gloss black finish allows it to blend perfectly with modern flat-panel televisions.

At the heart of its performance is the signature Folded Motion tweeter, which provides a lightning-fast transient response and a large surface area to create clear, dynamic, and precise high frequencies. Complemented by dual 4-inch woofers, this speaker ensures a rich and detailed midrange that brings every soundtrack and musical performance to life with remarkable accuracy.

Key Features

• Folded Motion® Tweeter: Delivers ultra-low distortion and lightning-fast response for incredible detail.
• Dual 4" Poly Cone Woofers: Provides rich midrange and midbass performance in a compact form factor.
• Multi-Purpose Design: Can be mounted horizontally as a center channel or vertically as left/right mains.
• Vojtko™ Crossover Network: Hand-built with premium components for seamless driver integration.
• Elegant Gloss Black Finish: High-gloss piano black finish with a signature perforated metal grille.

Use Cases

• Dedicated Center Channel: Anchors dialogue to the screen for a balanced and immersive movie experience.
• Stereo or Surround Setup: Use three 8i speakers for a perfectly timbre-matched front soundstage (LCR).
• On-Wall Installations: Slim profile and included wall-mount brackets make it ideal for space-saving setups.

Specifications

Audio Performance

• Frequency Response: 70–25,000 Hz (±3 dB)
• Sensitivity: 89 dB @ 2.83 volts/meter
• Impedance: 4 Ohms (Compatible with 4, 6, or 8 Ohm rated amplifiers)
• Crossover Frequency: 3,000 Hz
• Recommended Amplifier Power: 20–180 Watts per channel
• High Frequency Driver: 1" × 1.4" Folded Motion Transducer with 5.25" × 1.75" diaphragm
• Low Frequency Driver: Two 4" poly cone woofers with stamped steel baskets

Design & Connectivity

• Cabinet Type: Acoustic Suspension (Sealed)
• Finish: High-Gloss Piano Black
• Binding Posts: Push-style (Accepts bare wire, pins, or banana plugs)
• Dispersion: 80° x 80°
• Components: Custom air core coils, polyester film capacitors, and low DCR inductors

General & Dimensions

• Dimensions: 22.25" W x 5.6" H x 5.2" D (56.5cm x 14.2cm x 13.2cm)
• Weight: 8.5 lbs (3.85 kg)
• Package Weight: 10.8 lbs
• Box Dimensions: 25.9" x 8.8" x 8.2"

FAQ

Can this speaker be used as a left or right channel?
Yes, the Motion 8i is a multi-purpose speaker. It includes wall-mount brackets and can be installed vertically for use as front or rear surround channels.

Does it require a specific amplifier?
While it is a 4-ohm speaker, it is designed to be compatible with most high-quality receivers rated for 4, 6, or 8 ohms.

Is a wall mount included?
Yes, the speaker comes with wall-mount brackets that allow for easy installation either horizontally (for center use) or vertically.