8", 2-Wege, 90° konisch


  • 8-Zoll-Tieftöner
  • Kompressionstreiber mit 1,4-Zoll-Membran
  • 200 Watt Dauerbelastbarkeit
  • 70-/100-Volt-Übertrager mit Stufenschalter (System kann im verteilten Modus oder niederohmig betrieben werden)
  • AD-C821 ist als voll integriertes Lautsprechersystem für die Deckenmontage konzipiert

AD-C821 wird als Bestandteil der folgenden Systempakete verkauft:

    • AD-C821 Lautsprechersystem für die Deckenmontage
    • Unterlegring und Montageschienen
    • AD-C800RG Rundes Frontgitter (weiß, lackierbar)
    • AD-C821 Lautsprechersystem für die Deckenmontage
    • Unterlegring und Montageschienen
    • AD-C800RG Quadratisches Frontgitter (weiß, lackierbar)


Configuration Passive
Low-frequency Transducer 8-inch (203 mm) ferrite woofer
Hight-frequency Transducer 1.4-inch (36 mm) neodymium compression driver
Frequency Range 1
Frequency Response (-6 dB)
Useable Frequency Range (-10 dB)

61 Hz to 18 kHz
52 Hz to 18 kHz
Maximum Output 2
Calculated Peak Output
Calculated Continuous Output

120 dB SPL
114 dB SPL
Nominal Coverage 90° conical DMT™
Nominal Impedance 16 ohms
Power Rating
Continuous power handling3
Recommended amplifier power
(loudspeaker "program" power)

200 W
400 W
Sensitivity 91 dB SPL, 1W/1m
Bass Loading Ported
Transformer Type Custom low distortion laminated core, wide bandwidth design
Transformer Taps 100 V: 16 ohms bypass, 100 W, 50 W, 25 W
70 V: 16 ohms bypass, 100 W, 50 W, 25 W, 12.5 W
Agency Rating CE, UL 1480 (commercial/professional use) UL 2043 (air handling spaces)


Enclosure Volume 18 liter (0.64 ft³)
Connectors Two 2-pin Euro-style connectors
Mounting Hardware Captive, integral Mounting Clamps. Insert enclosure into mounting
hole, and tighten. Suspended ceiling Split-ring and
Suspended Ceiling Tile Rails - sold separately.
Weight - Net 16 lb (7.3 kg)
Dimensions Diameter: 13.4-inch (340 mm)
Depth: 11.9-inch (302 mm)

1 All frequency ranges specified refer to measured half-space response (2 pi).
2 Calculated maximum peak SPL at 1 m, half-space, speaker operating at rated rms power pink noise input, 50 Hz to 20 kHz.
3 Maximum input power tested in accordance with IEC recommendations; 50 Hz to 20 kHz band limiting, 6 dB signal crest factor.

Specifications are subject to change without notice.

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AcousticDesign is a trademark of QSC Audio Products, LLC. MATE-N-LOK is a trademark of Tyco. All other trademarks are the property of their respective owners.