AcousticDesign Series (Premium)

Hero View of the AcousticDesign Series In-Ceiling Speakers

AcousticDesign™ ceiling loudspeakers offer a variety of models specifically tailored for demands of higher fidelity applications. Designed for clarity and presence, these loudspeaker systems deliver pristine audio reproduction for installations requiring a refined audio experience.

Small Format (4.5")

	AD-C4T	AD-C4T-ZB	AD-C4T-LP	AD-C4T-LPZB
Systems Type	2-way	2-way	2-way, shallow can	2-way, shallow can
Bezel-less Design	-	✔	-	✔
Frequency Range, -10dB(Hz)	70Hz–20kHz
Nominal Coverage	150° conical DMT™
Output (PeakSPL@1M)	108 dB
Rated noise power¹	30
Sensitivity²	87.5 dB	87.5 dB	87 dB	87.5 dB
LF Driver	4.5in (114mm)
HF Driver	0.75in (19mm)
Transformer Taps	70V:30,15,7.5,3.75W and 16 bypass 100V:30,15,7.5W and 16 bypass
Input Connectors	Euroblock connector with parallel output terminals
Dimensions (W x D) inches	9.06 x 6.94	9.06 x 6.94	11.02 x 3.93	11.02 x 3.93
Dimensions (W x D) mm	230 x 176	230 x 176	280 x 100	280 x 100
Net Weight	6.4lb (2.9kg)	6.4lb (2.9kg)	6.6lb (3kg)	6.6lb (3kg)
	Details	Details	Details	Details
¹ Continuous IEC specified test signal, 2 hours unless otherwise stated. ² Transformer Bypassed, 1w, 1m, 2π (infinite baffle), 200-10kHz average, on axis. All specifications are subject to change without notice.

Small Format (6.5")

	AD-C6T	AD-C6T-ZB	AD-C6T-LP	AD-C6T-LPZB	AD-C6T-HC	AD-C6T-HP
Systems Type	2-way	2-way	2-way, shallow can	2-way, shallow can	2-way	2-way
Bezel-less Design	-	✔	-	✔	-	-
Frequency Range, -10dB(Hz)	65Hz–20kHz	65Hz–20kHz	65Hz–20kHz	65Hz–20kHz	45Hz–20kHz	58Hz–20kHz
Nominal Coverage	140° conical DMT™	140° conical DMT™	140° conical DMT™	140° conical DMT™	75° conical	120° conical
Output (PeakSPL@1M)	112 dB	112 dB	112 dB	112 dB	116 dB	115 dB
Rated noise power¹	60	60	60	60	120 W	120 W
Sensitivity²	88 dB	88 dB	88 dB	88 dB	90 dB	89 dB
LF Driver	6.5in (165mm)
HF Driver	0.75in (19mm)	0.75in (19mm)	0.75in (19mm)	0.75in (19mm)	1.4in (35.6mm)	1.4in (35.6mm)
Transformer Taps	70V:60,30,15,7.5W and 16 bypass 100V:60,30,15W and 16 bypass
Input Connectors	Euroblock connector with parallel output terminals
Dimensions (W x D) inches	11.02 x 9.32	11.02 x 9.32	13.37 x 3.95	13.37 x 3.95	12 x 13.4 x 13.4	9.3 x 11 x 11
Dimensions (W x D) mm	280 x 237	280 x 237	340 x 100	340 x 100	313 x 340 x 340	235 x 280.5 x 280.5
Net Weight	9.5lb (4.3kg)	9.5lb (4.3kg)	9.3lb (4.2kg)	9.3lb (4.2kg)	19 lb (8.58 kg)	13.39 lb (6.07 kg)
	Details	Details	Details	Details	Details	Details
¹ Continuous IEC specified test signal, 2 hours unless otherwise stated. ² Transformer Bypassed, 1w, 1m, 2π (infinite baffle), 200-10kHz average, on axis. All specifications are subject to change without notice.

Large Format

¹ Continuous IEC specified test signal, 2 hours unless otherwise stated. ² Based on nominal impedance, measured in full space. 1 W @ 1 m. All specifications are subject to change without notice.
	AD-C820	AD-C821	AD-C1200
System Type	2-way ported
Frequency Range, -10 dB (Hz)	52 Hz - 18 kHz		37 Hz - 18 kHz
Nominal Coverage	90° conical
Power Capacity¹	200 W (100 hrs)		300 W (100 hrs)
Sensitivity²	91 dB		93 dB
LF Driver	8" weather resistant, treated paper cone woofer		12" weather resistant, treated paper cone woofer, 75 mm voice coil, ferrite magnet
HF Driver	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 x 379 x 211		584 x 454 x 393
Net Weight	17.5 lb / 7.9 kg		78 lb / 35.3 kg
	Details	Details	Details

SUB/SAT

	AD-C.SUB	AD-C.SAT
Systems Type	Subwoofer	Satellite loudspeaker
Frequency Range, -10dB(Hz)	45 Hz - 150 Hz	150 Hz - 20 kHz
Nominal Coverage	N/A	170° Conical
Output (Peak SPL @ 1M)	106 dB	96 dB
Rated noise power	100 W	25 W
Sensitivity	86 dB	82 dB
LF Driver	6.5 in (165 mm) dual voice-coil	N/A
HF Driver	N/A	2.75 in (70 mm)
Transformer Taps	70 V : 100, 50, 25, 12.5 W and 4 Ω bypass 100V : 100, 50, 25 W and 4 Ω bypass	16 Ω
Connectors	Mono Input: 4-pole Euroblock with thru output Hi-Pass Mono Output: x2 4-Pole Euroblock for x4 satellites	2-pole Euroblock
Dimensions (W x D) inches	Ø13.4 x 10	Ø5.9 x 3.4
Dimensions (W x D) mm	Ø340 x 254	Ø150 x 86
Net Weight	19.2 lb (8.7 kg)	1.39 lb (0.6 kg)
	Details	Details

All specifications are subject to change without notice

Subwoofer

¹ Continuous IEC specified test signal, 2 hours unless otherwise stated. ² Based on nominal impedance, measured in full space. 1 W @ 1 m.
	AD-C81Tw
System Type	Ported subwoofer
Frequency Range, -10 dB (Hz)	28 Hz - 208 Hz
Nominal Coverage	N/A
Power Capacity¹	100 W (100 hrs)
Sensitivity²	92 dB
LF Driver	8" weather resistant, polypropylene cone woofer, rubber surround
HF Driver	N/A
Controls / Selectors	70 V: 60, 30, 15, 7.5 W 100 V: 60, 30, 15 W 8Ω Externally Selectable
Input Connectors	Ceramic block or 4-pin Euro terminals, fire protective sub-chamber
Suspension/Attachment Point	N/A
Dimensions (W x D) inches	12.6 x 14.5
Dimensions (W x D) mm	321 x 368
Net Weight	20 lb / 9.1 kg
	Details

All specifications are subject to change without notice.

Accessories


	Mud Ring	New Construction Ring	Full Capture Marine Grill/Collar	Black Ceiling Grille	Zero Bezel Collar
AD-C4T	AD-MR4	-	-	-	-
AD-C4T-ZB	AD-MR4	-	-	-	-
AD-C4T-LP	AD-MR6	-	AD-MC245 AD-MG245	-	-
AD-C4T-LPZB	AD-MR6	-	-	AD-C254BG	-
AD-C6T	AD-MR6	-	AD-MC245 AD-MG245	-	-
AD-C6T-ZB	AD-MR6	-	-	AD-C254BG	-
AD-C6T-LP	AD-MR8	-	-	-	-
AD-C6T-LPZB	AD-MR8	-	-	AD-C305BG	-
AD-C820	-	-	-	-	-
AD-C821	ADC-MRS	ADC-NCS	-	-	-
AD-C1200	-	-	-	-	-
AD-C81Tw	ADC-MRS	ADC-NCS	-	-	-
AD-C6T-HP	AD-MR6	-	-	AD-C254BG	AD-C245C
AD-C6T-HC	AD-MR8	-	-	AD-C305BG	AD305C