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Quad S-5

Floor-standing speaker (Mahogany)

Item # 306S5MGY

The largest member of Quad's S Series family of speakers combines handsome styling and spacious, 3-dimensional sound.

The largest member of Quad's S Series family of speakers combines handsome styling and spacious, 3-dimensional sound.

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Item # 306S5MGY

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About the Quad S-5

A tower speaker designed by and for listeners

As the largest member of Quad's S Series family of speakers, the S-5 is easy to like, both for its handsome styling and spacious, free-flowing sound quality. Clearly, this speaker's design process included a lot of listening. This is a hybrid speaker featuring a ribbon tweeter and a cone midrange and woofers. It can be challenging getting different driver types to "sing as one," but the S-5 lets you relax and focus on the music.

A tower speaker designed by and for listeners

As the largest member of Quad's S Series family of speakers, the S-5 is easy to like, both for its handsome styling and spacious, free-flowing sound quality. Clearly, this speaker's design process included a lot of listening. This is a hybrid speaker featuring a ribbon tweeter and a cone midrange and woofers. It can be challenging getting different driver types to "sing as one," but the S-5 lets you relax and focus on the music.

Quad's ribbon tweeter lets the music flow

The S-5's ribbon tweeter produces sound in a way that's simpler and more direct than the more common dome tweeter. In a dome tweeter, the signal from your amplifier drives a voice coil, which is connected to the dome-shaped diaphragm, but only around the circumference, so a bit of musical information may be lost.

In a ribbon tweeter, the metal ribbon is suspended in a strong magnetic field. Basically, the diaphragm is the voice coil, so it's always under the control of the music signal from the amplifier. Because the ribbon is directly driven by the amplifier, its resolution of musical detail is extremely high.

Ribbons have always been prized for their pure, clear sound, but they haven't always been very rugged. Quad's ribbon tweeter is made from a lightweight metal alloy that is strengthened by a thin layer of polycarbonate. This sandwich construction makes the tweeter robust enough to handle high-powered amplifiers.

The S-5's tweeter delivers outstanding transient response and reveals loads of musical detail. The sound is "fast," but consistently smooth. The ribbon tweeter's shape radiates sound in a wide horizontal arc, while its vertical dispersion is purposely limited to avoid floor and ceiling reflections. That means there's room in the "sweet spot" for more than one person.

A bass delivery system with precise control

The S-5's dual 6-1/2" woofers get a big performance boost from three ABRs (Auxiliary Bass Radiators). These passive, rear-firing bass units support the woofers, extending the S-5's bass response. Although you might be tempted to position the S-5s right up against the back wall to minimize intrusion into your room, you'll get more open, natural sound by moving them at least a foot out from the wall.

Quad's history of innovation

Founded in 1936 to build public address systems, Quad introduced two of the most important speaker innovations of the past century: the first ribbon-based home speaker, in 1949, and the first full-range electrostatic speaker, in 1957. Today, Quad speakers and electronics are still designed and engineered in England, and are manufactured in China.

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Product highlights:

  • 3-way, 4-driver design
  • 1/2" x 1-3/4" True Ribbon tweeter for open, transparent sound
  • 5" woven carbon fiber cone midrange
  • dual 6-1/2" woven carbon fiber cone woofers
  • Auxiliary Bass Radiator (ABR) design with three 6-1/2" rear-mounted passive radiators
  • frequency response: 42-23,000 Hz (±3dB)
  • sensitivity: 90 dB
  • impedance: 6 ohms
  • recommended amplifier power: 25-100 watts
  • dual sets of binding post speaker terminals with bi-amp/bi-wire capability
  • four cast alloy outrigger stabilizer feet with spikes for carpet
  • removable magnetic grille
  • 8-1/8"W x 44-5/16"H x 14-3/16"D (with stabilizer feet)
  • weight: 48.2 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # QUADS5MAH

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More details on the Quad S-5

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Features & specs

General
Enclosure Passive Radiator
Finish MDF/Wood veneer
Color Mahogany
Tweeter Ribbon
Tweeter Size (inches) 0.5" x 1.75"
Midrange Size (inches) 4"
Woofer Size (inches) 5"
Woofer Composition Carbon fiber
Woofer Surround Rubber
Built-in Powered Sub No
Video-Shielded No
Connector Type Post
Bi-amp Inputs Yes
Parts Warranty 5 years
Labor Warranty 5 years
Specifications
Power Range 25-100
Frequency Response 42-23k Hz
Sensitivity 90 dB
Impedance (Ohms) 6
Subwoofer Amp Power ---
Height (inches) 44-3/8
Width (inches) 8-1/8
Depth (inches) 14-1/4
Weight 48.2 lbs

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