For listeners who crave the performance of an 800 Series Diamond tower speaker but prefer a more conventional aesthetic, the 804 D4 is the perfect choice. Its new cabinet and plinth make it our best-performing 804 yet.
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Net weight
36.85kg (81.2 lb)
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Dimensions
Height: 1071mm (42.2 in)
Width: 306mm (12 in)
Depth: 391mm (15.4 in) -
Technical features
Diamond tweeter
Solid body Tweeter-on-Top
Continuum™ cone FST
Matrix™
Anti-Resonance plug
Biomimetic Suspension
Aerofoil™ cone bass units
Flowport
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Description
3-way vented-box system
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Drive units
1x ø25mm (1in) Diamond dome high-frequency
1x ø130mm (5in) Continuum cone FST midrange
2x ø165mm (6.5in) Aerofoil cone bass units
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Frequency range
20Hz to 35kHz
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Frequency response
24Hz to 28kHz (+/-3dB from reference axis)
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Sensitivity
89dB (on axis at 2.83Vrms at 1m)
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Harmonic distortion
2nd and 3rd harmonics (90dB, 1m on axis)
<1% 90Hz – 20kHz
<0.3% 120Hz – 20kHz
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Nominal impedance
8Ω (minimum 3.0Ω)
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Recommended amplifier power
50W – 200W into 8Ω on unclipped programme
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Max recommended cable impedance
0.1Ω
- Technical featuresDiamond tweeter
Solid body Tweeter-on-Top
Continuum™ cone FST
Matrix™
Anti-Resonance plug
Biomimetic Suspension
Aerofoil™ cone bass units
Flowport
- Description3-way vented-box system
- Drive units1x ø25mm (1in) Diamond dome high-frequency
1x ø130mm (5in) Continuum cone FST midrange
2x ø165mm (6.5in) Aerofoil cone bass units
- Frequency range20Hz to 35kHz
- Frequency response24Hz to 28kHz (+/-3dB from reference axis)
- Sensitivity89dB (on axis at 2.83Vrms at 1m)
- Harmonic distortion2nd and 3rd harmonics (90dB, 1m on axis)
<1% 90Hz – 20kHz
<0.3% 120Hz – 20kHz
- Nominal impedance8Ω (minimum 3.0Ω)
- Recommended amplifier power50W – 200W into 8Ω on unclipped programme
- Max recommended cable impedance
- Technical featuresDiamond tweeter
Solid body Tweeter-on-Top
Continuum™ cone FST
Matrix™
Anti-Resonance plug
Biomimetic Suspension
Aerofoil™ cone bass units
Flowport
- Description3-way vented-box system
- Drive units1x ø25mm (1in) Diamond dome high-frequency
1x ø130mm (5in) Continuum cone FST midrange
2x ø165mm (6.5in) Aerofoil cone bass units
- Frequency range20Hz to 35kHz
- Frequency response24Hz to 28kHz (+/-3dB from reference axis)
- Sensitivity89dB (on axis at 2.83Vrms at 1m)
- Harmonic distortion2nd and 3rd harmonics (90dB, 1m on axis)
<1% 90Hz – 20kHz
<0.3% 120Hz – 20kHz
- Nominal impedance8Ω (minimum 3.0Ω)
- Recommended amplifier power50W – 200W into 8Ω on unclipped programme
- Max recommended cable impedance