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Cambridge Audio S70

Floor-standing speaker (Noir)

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  • Cambridge Audio S70

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  • Cambridge Audio S70

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  • Cambridge Audio S70

    Front (Grille on)

  • Cambridge Audio S70

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Our take on the Cambridge Audio S70

by Dave Bar
Cambridge Audio

Floor-standing speakers — still standing tall

Sure, floor-standing tower speakers buck the industry trend toward smaller, visually inconspicuous speakers, but they're hard to beat if great sound is your primary goal. Tower speakers produce powerful sound with excellent bass, making them a great choice for serious music lovers and for folks who want high-impact home theater.

Powerful, authoritative floor-standing speaker

Let Cambridge Audio's S70 speaker create a home theater or stereo music heaven in your living space. Its sound has the power to take you to a magical forest where you can join a quest with your favorite heroes, or to a spaceship where you can battle to save Earth from destruction. It's hard to beat the S70's accurate mids and highs, deep bass, and wide soundstage — which all come with a surprisingly affordable price tag. This floor-standing speaker works great in a stereo pair, or as part of a home theater system for medium-to-large rooms. Just add S20 or S30 bookshelf speakers in the back, and the S50 center channel speaker in the front to get full 5- or 7-channel surround sound. Plus, add the matching S90 powered subwoofer to experience the full punch behind those crazy drum solos and explosions in your favorite songs and movies.


Designed and engineered with passion

All of Cambridge Audio's S-series speakers are carefully designed and tested at their London facility by a team of engineers fueled by a passion for incredible sound. The S70 speaker uses a 1" soft dome tweeter with a neodymium magnet and critically selected voice coil assembly for silky smooth highs. Dual 5" composite woven mid/woofers deliver accurate midrange and powerful, yet controlled bass with minimal distortion.

A rigid phase plug at the center of each woofer cone improves the S70's off-axis response, so you can enjoy seamless audio even if you're not sitting directly in front of your TV or sound system. And the custom-designed crossover sends the right frequencies to the right drivers to keep your music and movie soundtracks sounding faithful to the studio original.

The solidly braced MDF cabinets help prevent unwanted resonance from coloring the sound. Dual binding posts give you the option to bi-wire or bi-amp this speaker for the best sound possible with your setup.

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Highlights:

  • frequency response 39-20,000 Hz
  • handles 15-120 watts
  • sensitivity 90 dB
  • 8-ohm impedance
  • 1" soft dome tweeter
  • state-of-the-art motor system with neodymium magnet
  • dual 5" woven polyfiber woofers
  • rigid phase plugs for improved off-axis response
  • magnetically shielded for safe placement next to tube TVs
  • rigid MDF cabinet with internal cross-bracing
  • dual 3-way gold-plated binding posts can be bi-amped or bi-wired
  • includes floor spikes for added stability on carpet
  • 9-1/16"W x 37-1/2"H x 12-1/8"D
  • weight: 27.3 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Enclosure
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Bass Reflex
Finish
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Wood veneer
Color
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Black
Tweeter
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Dome
Tweeter Size (inches)
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1
Midrange Size (inches)
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N/A
Woofer Size (inches)
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5
Woofer Composition
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Woven Polyfiber
Woofer Surround
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Rubber
Built-in Powered Sub
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No
Video-Shielded
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Yes
Connector Type
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Post
Bi-amp Inputs
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Yes
Parts Warranty
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5 Years
Labor Warranty
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5 Years
Specifications
Power Range
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15-120
Frequency Response
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39-20,000 Hz
Sensitivity
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90 dB
Impedance (Ohms)
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8
Amplifier Power
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---
Height (inches)
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37-1/2
Width (inches)
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9-1/16
Depth (inches)
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12-1/8
Weight
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27.3 lbs
Product Research
What's in the box?

Download owner's manual

  • Black floor-standing speaker
  • Black cloth grille (attached)
  • Black Base
  • 4 Spiked feet (with hex-nuts)
  • Four 6mm x 35mm screws
  • Installation Guide

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Overview: The Cambridge Audio S70 Floor-Standing Loudspeaker features a single 1" soft-dome tweeter and two 5" mid-bass woofers loaded in a bass-reflex enclosure. The S70 floor-standing loudspeaker delivers excellent treble and commanding bass. The S70 floor-standing loudspeaker is ideal for a stereo or home theater application. Included, is a rectangular base and spiked feet for added stability on carpeted floors.

Driver Technology
Enclosure Design
Connections
Mounting Options

Driver Technology

1" Soft-Dome Tweeter: The S70 floor-standing loudspeaker features a 1" soft-dome tweeter for detailed, realistic highs. The tweeter uses a high flux density, self shielding neodymium magnet assembly for improved sensitivity and better dynamics.

Dual 5" Mid-Bass Woofers: The S70 floor-standing loudspeaker utilizes dual 5" woven polyfiber cone mid-bass woofers for dynamic mid & bass response. Each mid-bass woofer uses a rigid phase plug for improved off-axis integration. The 5" mid-bass woofers also feature a high-quality rubber surround edge for reliable cone termination. In addition, an optimized magnet motor-assembly is used for extended lower frequencies.

Crossover Network: The S70 floor-standing loudspeaker utilizes a 2nd order, 2.5-way crossover to deliver high-frequencies to the tweeter and mid-/low-frequencies to the two mid-bass drivers. High-quality laminate core inductors give cleaner bass with improved dynamics, while polypropylene film capacitors in critical path areas give a high-resolution high frequency response.

Frequency Response: The S70 floor-standing loudspeakers have a frequency response rating of 39 to 20,000 Hz.

Power Handling: The Cambridge Audio S70 floor-standing loudspeakers can handle between 15 to 120 watts (RMS).

Enclosure Design

Bass Reflex: The Cambridge Audio S70 floor-standing loudspeaker employs a bass reflex (ported) enclosure with a rear-firing port for greater efficiency and bigger bass response.

MDF Cabinet: The S70 floor-standing loudspeaker features a rigid MDF cabinet with internal cross-bracing to prevent any unwanted distortion caused by vibration and resonance.

Wood Veneer Finish: The S70 floor-standing loudspeaker is available in a black or dark oak wood veneer finish.

Removable Grille: The Cambridge Audio S70 floor-standing loudspeaker includes a removable black cloth grille.

Connections

Dual Binding Posts: The S70 floor-standing loudspeaker has two sets of gold-plated binding posts connected by gold-plated jumpers. Using the dual binding posts, you can bi-amp or bi-wire the floor-standing speaker's drivers for even better sound quality. The loudspeaker's binding posts will accept bare-wire, pin-connectors, spade-connectors, and banana-plugs (single only).

Color Coded: The dual binding post terminals are color-coded (black/red) to distinguish between positive and negative.

Mounting Options

Applications: The Cambridge Audio S70 floor-standing loudspeaker is ideal for stereo and home theater applications. You can add a Cambridge Audio S-series center-channel speaker (779S50DO, sold separately), surround speakers (779S30DO, sold separately), and a powered subwoofer (779S90B, sold separately).

Placement: Ideally, the floor-standing loudspeaker and listening position should be positioned equal distances apart. Make sure to leave adequate space between the floor-standing loudspeaker's rear-firing port and the wall.

Magnetically Shielded: The enclosure has been magnetically shielded, so you can safely place the floor-standing speaker next to your television or video monitor.

Spiked Feet: The Cambridge Audio S70 floor-standing loudspeaker includes a rectangular base and 4 spiked feet for added stability on your carpeted floors. The spiked feet are adjustable, in case you have uneven floors.

Note: The floor-standing loudspeaker can be used with or without the rectangular base and/or 4 spiked feet, in case you have tile or hardwood floors.

 
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For a more in-depth review and enhanced detailed information on the Cambridge Audio S70, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_779S70N/Cambridge-Audio-S70.html ).