Specifications

53
RoHS
AD-C820/C821 AD-C1200
System Type
2-way, ceiling / flush mounted,
ported system
2-way, ceiling / flush mounted,
ported system
Frequency Range (-10 dB) 52 Hz – 18 kHz 37 Hz – 18 kHz
Frequency Response (-6 dB) 61 Hz – 18 kHz 42 Hz – 18 kHz
Nominal Coverage 90° axisymmetric 85° axisymmetric
Full Range
Power Capacity
1
Sensitivity
2
Peak SPL
3
200 W (100 hrs)
91 dB
120 dB
300 W (100 hrs)
93 dB
124 dB
Driver Information
LF
8" weather resistant, treated paper
cone woofer
12" weather resistant, treated
paper cone woofer, 75 mm voice
voil, ferrite magnet
HF 1.4" co-axial compression driver 1.75" co-axial compression driver
Controls / Selectors
70 V: 100, 50, 25, 12.5 W
100 V: 100, 50, 25 W
16Ω Externally Selectable
70 V: 150, 75, 37.5 W
100 V: 150, 75, 37.5, 18.2 W
16Ω Internally Selectable
Input Connectors
AD-C820: Ceramic block
AD-C821: 4-pin Euro terminals
Fire protective sub-chamber
Ceramic block terminals
Fire protective sub-chamber
Suspension /
Attachment Point
AD-C820: Pre-installed back box with
4 mounting straps; AD-C821: Captive,
integral mounting clamps
Pre-installed back box with
4 mounting tabs
Dimensions (HWD) inches 14.9" x 14.9" x 8.3" 23" x 18" x 15.5"
Dimensions (HWD) mm 379 mm x 379 mm x 211 mm 584 mm x 454 mm x 393 mm
Net Weight (each) 17.5 lb / 7.9 kg 78 lb / 35.3 kg
1 Continuous IEC specified test signal, 2 hours unless otherwise stated.
2 Based on nominal impedance, measured in full space. 1 W @ 1 m.
3 Calculated using specified power capacity and system sensitivity. 6 dB peak-to-average signal ratio assumed.
NEW! NEW!
The AD-C1200 loudspeaker system measures 93dB
sensitivity (1W/1m) and at full continuous power is
capable of producing 118dB SPL (1W/1m) output.
Available AD-C Accessories
• ADC-MR4:MudRingBracketforAD-C42T.
• ADC-NC4:NewConstructionBracketforAD-C42T.
• ADC-MR:MudRingBracketforAD-CI52T.
• ADC-NC:NewConstructionBracketforAD-CI52T.
• ADC-MRS:MudRingBracketforAD-CI52STand
AD-C820R/S & AD-C821R/S.
• ADC-NCS:NewConstructionBracketforAD-CI52STand
AD-C820R/S & AD-C821R/S.