S-4
The S-4 is a 3-way floorstanding loudspeaker from QUAD's S Series, combining a 45 x 12mm ribbon tweeter with Kevlar bass and midrange drivers in an ABR-loaded cabinet. It suits hi-fi listeners who want a full-range stereo speaker driven by a 40-200W amplifier.
- 3-way floorstanding speaker with ABR enclosure
- 45 x 12mm true ribbon treble driver
- 2 x 125mm bass and 100mm midrange, woven Kevlar
- Frequency response 44Hz ~ 23kHz (+/-3dB)
- Sensitivity 88dB, 6Ω nominal impedance
- Recommended amplifier power 40-200W
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The S-4 is a three-way floorstanding speaker in the QUAD S Series. A true ribbon treble unit handles the top end, a 100mm woven Kevlar driver covers the midrange, and two 125mm woven Kevlar drivers handle the bass. The crossover points are 520Hz and 3.9kHz.
The cabinet is an ABR (auxiliary bass radiator) design with three 125mm radiators. It holds 47.0 litres and gives a stated bass extension of 37Hz at -6dB. Frequency response is 44Hz to 23kHz (+/-3dB). Sensitivity is 88dB, and the nominal impedance is 6Ω with a 3.5Ω minimum. The recommended amplifier power is 40-200W.
The speaker stands 870mm tall plus a 55mm base allowance, and weighs 20.5kg. It is offered in Black Oak, Sapele Mahogany, Piano Black and Piano White finishes. A brochure and a manual are available to download.
Video
Specifikacije
- Znamka
- Quad
- Model
- S-4
- Kategorija
- Hi-Fi in domači avdio › Zvočniki
General
- Model
- S-4
- General description
- 3-way floorstanding speaker
- Enclosure type
- ABR
- Transducer complement
- 3-way
- AV shield
- No
Drivers
- ABR
- 3 x 125mm
- Bass driver
- 2 x 125mm Woven Kevlar®
- Midrange driver
- 100mm Woven Kevlar®
- Treble driver
- 45 x 12mm true ribbon
- Crossover frequency
- 520Hz & 3.9kHz
Audio
- Sensitivity (2.83V @ 1m)
- 88dB
- Recommended amplifier power
- 40-200W
- Nominal impedance
- 6Ω
- Minimum impedance
- 3.5Ω
- Frequency response (+/-3dB)
- 44Hz ~ 23kHz
- Bass extension (-6dB)
- 37Hz
Physical
- Cabinet volume
- 47.0L
- Dimensions (H x W x D)
- (870 + 55) x 180 x (300+30)mm
- Weight
- 20.5kg
- Finishes
- Black Oak, Sapele Mahogany, Piano Black, Piano White
Downloads
- Documents
- Brochure, Manual