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KEF R800ds Surround/Dipole
If youʼre serious about home theatre, the KEF R800ds provides exceptional surround capabilities. The twin 5-inch Uni-Q driver arrays work out of phase to create a remarkable, hard to localise sound field. This results in stunning dynamic sonic effects that help put you at the heart of the action.
| | Model | R800ds | | Design | Three-way dipole | | Drive Units | Uni-Q driver array:
HF: 2 x 25mm (1in.) vented aluminium dome
LF/MF: 2 x 130mm (5.25in.) aluminium
| | Frequency range (-6dB) | 90Hz - 45kHz | | Frequency response (±3dB) | 100Hz - 28kHz | | Crossover frequency | 300Hz, 2.5kHz | | Amplifier requirements | 25 - 100 W | | Sensitivity (2.83V/1m) | 85dB | Harmonic distortion
2nd & 3rd harmonics (90dB, 1m) | |
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Pressure vessel enclosure
500W ICEpower® amplifier
Switch mode power supply
Description Active closed-box subwoofer system
Drive unit 2x f200mm (8 in) mica / aluminium diaphragm long-throw
Frequency range -6dB at 18Hz and 40/140Hz adjustable (EQ at i)
Frequency response ±3dB 21Hz – 31/110Hz adjustable (EQ at i)
Power output: 500W
Rated power consumption: 110W (105W - 100V version)
Input impedance: 100kΩ
Signal / noise: >90dB
Functions: Volume level
Low-pass filter frequency
Bass roll-off alignment
Auto sense on/standby
Phase switch
Inputs: Line In (RCA Phono)
Speaker Level In (FCC68 4/4)
| Hxείο Sub, high Fidelity, 300 Watts Continuous Program Power (2 hrs) 150 Watts ContinuousPink Noise (2 hrs)200 Watts Continuous Program Power (100 hrs) 100 Watts Continuous Pink Noise (100 hrs), 115dB average, 121dB peak (near corner) 109dB average, 115 dB peak (center of wall) 32 Hz ? 200 Hz +-3dΒ Eπιλογή λειτουργίας 70/100v/, 80W, 40W, 20W, (& 10W @ 70V), 8 ohm bypass/thru, με 1 woofer 200 mm (8 in) με polypropylene cone, ανάρτηση butyl rubber, με πηνίο φωνής 38 mm (1.5 in) 4-layer copper-clad, και αεριζόμενο former αλουμινίου. Διαστάσεις: 356 x 391 x 203 mm. Περιέχεται βάση στήριξης. Χρώμα Μαύρο-Λευκό. Μπορεί να λειτουργήσει με 2 ή 4 δορυφόρους ?ηχεία, και σε συνδυασμό με ηχεία οροφής της σειράς 40 της JBL. Βάρος 9kg. |
Low Frequency Limit: 27Hz (EQ1) 21Hz (EQ2)
Upper Frequency Limit: 40 - 120Hz Variable
Power Output: 500W RMS (1000W Peak)
Low Pass Filter Alignment: Active 4th order 24dB/Octave (2nd stage filter)
Cabinet Specification: 25mm construction and internal bracing
Cabinet Alignment: sealed cabinet
Driver Complement: 1 x 12" C-CAM® sub woofer driver featured triple suspension and ling throw 3" voice coil
External Dimensions:
(H x W x D)
inc. amp & driver 340 x 340 x 410 mm
(13 3/8 x 13 3/8 x 16 1/8 inch)
External Dimensions:
(H x W x D)
inc. feet & grille 375mm (15“) high with feet
430mm (16 15/16“) deep
inc amp & grille
Mains Input Voltage Specification: 110 - 120 Vac / 220 - 240 Vac 50/60Hz
Individual Weight: 22.56 Kg (49.63 lb)
User's Manual
ΔΙΑΤΙΘΕΤΑΙ ΣΤΑ ΠΑΡΑΚΑΤΩ ΧΡΩΜΑΤΑ
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Type Advanced YST II and QD-Bass Subwoofer
Driver 25cm(10'') cone
Dynamic Power 250 W
Frequency Response 20-160 Hz
Advanced YST Advanced YST II
QD-Bass Technology Front-firing
High-Efficiency Power Amplifier Yes
Linear Port Yes
BASS (Bass Action Selector System) Yes
Standby Power Consumption 0.3 W
Dimensions (W x H x D) 380 x 368 x 420 mm
Weight 18.5 kg
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Dimensions | Metric :12” W x 17-7/8” D x 14-7/16” H | 30.5 x 45.4 x 36.7 cm
Driver Complement :One high-definition 10" woofer pressure coupled to one 10" low bass radiator.
Frequency Response :18Hz – 150 Hz
Internal Amplifier Power :300 watts
Auto On / Off :Signal Sensing (US) | Signal Sensing and Switched (International)
Power Requirements :110 volts Alternating Current (US) | 220 volts Alternating Current (International)
High Level Inputs :Two pairs of 5 way binding posts
High Level Outputs :Two pairs of 5 way binding posts
Low Level Inputs :One LFE input (for SW preout only)
High Pass Crossover :Non Variable 6 dB/octave @ 80 Hz: Available only with high level inputs and outputs
Low Pass Crossover% :24 dB/octave, continuously variable from 40 Hz – 150 Hz: Available with high level inputs only
Available Finishes :Matte Black
Fuse :3.2 amp 250 volt Slo Blo (US) | 2 amp 250 volt Slo Blo (International)
Packaging :One to a carton
Weight | Metric :31 lbs | 14.1 kg
Warranty :5 Years; 3 Years for Amplifiers
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