User manual JBL Control 328CT

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SPECIFICATIONS  
Control 328C/CT  
Frequency Range (-10 dB)1: 45 Hz – 18 kHz  
LISTED  
Frequency Response (±3 dB)1: 60 Hz – 16 kHz  
General Signaling  
Equipment  
Coverage Pattern2: 120º conical, broadband (Avg 1k - 16kHz)  
Long-Term System Power Rating, IEC3: 250 W (1600 W peak), 2 hrs  
1
5CM  
1
50 W (1000 W peak), 100 hrs  
Sensitivity (2.83V@ 1m): 93 dB4 measured half-space  
Nominal Impedance : 8 ohms (328C)  
Transformer Taps : 100V: 68W, 34W & 17W (plus 8.5W at 70V)  
Transducers : 8” woofer with Kevlar reinforced cone, 1” exit magnet compression driver  
Input Connector : Removable locking connector with screw-down terminals.  
Safety Agency Rating : Suitable for use in air handling spaces, per U.L.-2043, U.L.-1480, NFPA90 & NFPA70A.  
Net Weight : 328C: 4.5 kg (10.0 lbs) 328CT: 5.4 kg (12.0 lbs)  
Dimensions (Diameter x D) : 328C: Ø 305 mm (12 in) x 160 mm (6.3 in)  
3
28CT: Ø 305 mm (12 in) x 218 mm (8.6 in)  
Control 321C/CT  
Frequency Range (-10 dB)1: 34 Hz – 18 kHz  
Frequency Response (±3 dB)1: 47 Hz – 16 kHz  
Coverage Pattern2: 90º conical, broadband (Avg 1k - 16kHz)  
Long-Term System Power Rating, IEC3: 250 W (1600 W peak), 2 hrs  
2
00 W (1000 W peak), 100 hrs  
Sensitivity (2.83V@ 1m): 94 dB4 measured half-space  
Nominal Impedance : 8 ohms (321C)  
Transformer Taps : 100V: 68W, 34W & 17W (plus 8.5W at 70V)  
Transducers : 12” woofer with Kevlar reinforced cone, 1” exit magnet compression driver  
Input Connector : Removable locking connector with screw-down terminals.  
Safety Agency Rating : Suitable for use in air handling spaces, per U.L.-2043, U.L.-1480, NFPA90 & NFPA70A.  
Net Weight : 321C: 7.3 kg (16.0 lbs) 321CT: 8.2 kg (18.0 lbs)  
Dimensions (H x W x D) : 321C: 366 x 366 x 223 mm (14.4 x 14.4 x 8.8 in) depth from back of baffle  
3
21CT: 366 x 366 x 240 mm (14.4 x 14.4 x 9.5 in) depth from back of baffle  
Control 322C/CT  
Frequency Range (-10 dB)1: 32 Hz – 20 kHz  
Frequency Response (±3 dB)1: 48 Hz – 19 kHz  
Coverage Pattern2: 90º conical, broadband (Avg 1k - 16kHz)  
Long-Term System Power Rating, IEC3: 400 W (1600 W peak), 2 hrs  
2
50 W (1000 W peak), 100 hrs  
Sensitivity (2.83V@ 1m): 95 dB4 measured half-space  
Nominal Impedance : 8 ohms (322C)  
Transformer Taps : 100V: 100W, 50W & 25W (plus 12.5W at 70V)  
Transducers : 12” woofer with Kevlar reinforced cone, 1” exit neodymium-magnet compression driver  
Input Connector : Removable locking connector with screw-down terminals.  
Safety Agency Rating : Suitable for use in air handling spaces, per U.L.-2043, U.L.-1480, NFPA90 & NFPA70A.  
Net Weight : 322C: 9.1 kg (20.0 lbs) 322CT: 10.0 kg (22.0 lbs)  
Dimensions (H x W x D) : 322C: 366 x 366 x 223 mm (14.4 x 14.4 x 8.8 in) depth from back of baffle  
3
22CT: 366 x 366 x 240 mm (14.4 x 14.4 x 9.5 in) depth from back of baffle  
Control 312CS  
Frequency Range (-10 dB)1: 30 Hz – 4.5 kHz  
Frequency Response (±3 dB)1: 34 Hz – 3.5 kHz  
Long-Term System Power Rating, IEC5: 400 W (1600 W peak), 2 hrs  
2
50 W (1000 W peak), 100 hrs  
Sensitivity (2.83V@ 1m): 93 dB4 measured half-space  
Nominal Impedance : 8 ohms  
Transducers : 12” woofer with Kevlar reinforced cone  
Input Connector : Removable locking connector with screw-down terminals.  
Safety Agency Rating : Suitable for use in air handling spaces, per U.L.-2043, U.L.-1480, NFPA90 & NFPA70A.  
Net Weight : 312CS: 7.7 kg (17.0 lbs)  
Dimensions (H x W x D) : 312CS: 366 x 366 x 160 mm (14.4 x 14.4 x 6.3 in) depth from back of baffle  
1
2
3
4
5
In half space (in ceiling)  
Average 1 kHz to 16 kHz  
IEC standard, full bandwidth pink noise with 6 dB crest factor.  
Measured in half space (in ceiling), ave 100 Hz – 10 kHz.  
AES pink noise, 30 Hz to 300 Hz with 6 dB crest factor.  
JBL continually engages in research related to product improvement. Changes introduced into existing products without notice are an expression of that philosophy.  
JBL Professional Control 300 Series 11  

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