QSC AD-C42T AcousticDesign Series Compact 2-way, Sealed Enclosure

Configuration:
Compact 2-way, sealed enclosure

Transducers:
Low-frequency: 4" (10 cm) weather resistant, polypropylene cone woofer
High-frequency: 0.75" titanium dome tweeter

Frequency Range ¹:
Frequency Response (-6 dB): 72 Hz - 20 kHz
Useable Frequency Range (-10 dB): 60 Hz - 20 kHz

Maximum Output ²:
Calculated Peak Output: 110 dB SPL
Calculated Continuous Output: 104 dB SPL

Nominal Impedance:
8 ohms switchable

Power Rating:
RMS Power Handling³: 40 W (100 hours IEC)
Recommended Max Amp Power 80 W RMS

Sensitivity:
88 dB, 2.83 V, 1 m, free space (4pi)

TRANSFORMERS

Type:
Custom low distortion laminated core, wide bandwidth design

Taps:
70 V: 30, 15, 7.5, 3.8 W / 100 V: 30, 15, 7.5 W / 8 ohms selected by switch

Environmental:
Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X3 splash rating

Agency Rating:
Listed UL1480, UL2043 safe for use in air handling spaces; Transformer is Listed UL1876; Compliant BS/EN 60849 safety standards

ENCLOSURE

Material:
Injection molded, high impact polystyrene baffle on a steel enclosure

Finish:
White (paintable)

Grille:
Painted aluminum

Connectors:
Ceramic block or 4-pin Euro terminals in fire protective sub-chamber

Mounting Hardware:
Rails and C-ring for ceiling tile installation

Weight:
6.1 lb (2.7 kg) Net
18 lb (8.2 kg) (pair) Shipping

Available Accessories:
AD-MR4 / AD-NC4

1 All frequency ranges specified refer to measured free field response.
2 Calculated SPL at 1m, (free space, 4 pi), speaker operating at rated RMS power with pink noise within specified frequency range
3 Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz - 20 kHz band limiting, 6 dB signal crest factor

Specifications subject to change without notice.

Configuration:
Compact 2-way, sealed enclosure

Transducers:
Low-frequency: 4" (10 cm) weather resistant, polypropylene cone woofer
High-frequency: 0.75" titanium dome tweeter

Frequency Range ¹:
Frequency Response (-6 dB): 72 Hz - 20 kHz
Useable Frequency Range (-10 dB): 60 Hz - 20 kHz

Maximum Output ²:
Calculated Peak Output: 110 dB SPL
Calculated Continuous Output: 104 dB SPL

Nominal Impedance:
8 ohms switchable

Power Rating:
RMS Power Handling³: 40 W (100 hours IEC)
Recommended Max Amp Power 80 W RMS

Sensitivity:
88 dB, 2.83 V, 1 m, free space (4pi)

TRANSFORMERS

Type:
Custom low distortion laminated core, wide bandwidth design

Taps:
70 V: 30, 15, 7.5, 3.8 W / 100 V: 30, 15, 7.5 W / 8 ohms selected by switch

Environmental:
Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X3 splash rating

Agency Rating:
Listed UL1480, UL2043 safe for use in air handling spaces; Transformer is Listed UL1876; Compliant BS/EN 60849 safety standards

ENCLOSURE

Material:
Injection molded, high impact polystyrene baffle on a steel enclosure

Finish:
White (paintable)

Grille:
Painted aluminum

Connectors:
Ceramic block or 4-pin Euro terminals in fire protective sub-chamber

Mounting Hardware:
Rails and C-ring for ceiling tile installation

Weight:
6.1 lb (2.7 kg) Net
18 lb (8.2 kg) (pair) Shipping

Available Accessories:
AD-MR4 / AD-NC4

1 All frequency ranges specified refer to measured free field response.
2 Calculated SPL at 1m, (free space, 4 pi), speaker operating at rated RMS power with pink noise within specified frequency range
3 Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz - 20 kHz band limiting, 6 dB signal crest factor

Specifications subject to change without notice.