12 in. Coaxial Ceiling Loudspeaker with HF Compression Driver
The Control 321CT has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.
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Caratteristiche
- Consistent 90° broadband pattern control.
- Components
• 300 mm (12 in) woofer with Kevlar-reinforcedcone with 50 mm (2 in) voice-coil.
• 25 mm (1 exit) compression driver. - Extraordinary clarity for speech and vocals with extended frequency response for music.
- 250 Watt power handling with high sensitivity provides high SPL capability.
- Advanced high-slope crossover network for constant coverage and smooth, natural midrange.
- Clean, contemporary grille and optional backbox available.
Download
Specifications
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1,47 MB |
Manuals
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59,2 KB |
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15,4 KB |
Brochures
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23 MB |
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2,9 MB |
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21 MB |
versione A,
aggiornato: mar 2026
CAD Drawings
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1,39 MB |
Compliances
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179 KB |
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92,7 KB |
Software
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612 KB |
EASE Files
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1,08 MB |
User Guides
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2,02 MB |
Accessories
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570 KB |
Install Guides
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574 KB |
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Parti e assistenza
Specifiche
| Frequency Range (-10dB) | 34 Hz – 18 kHz |
| Power Rating | IEC Long-Term System Power Rating: 250 W continuous pink noise (1000 W peak), 2 hrs 200 W continuous pink noise (800 W peak), 100 hrs |
| Transformer Taps | 68W, 34W, 17W, (& 8.5W @ 70V) |
| Frequency Response (±3 dB) | 47 Hz – 16 kHz |
| Coverage Angle | 90° conical, constant directivity |
| Directivity Factor (Q) | 8.7 (1k - 16kHz) |
| Directivity Index (DI) | 9.4 dB (1k - 16kHz) |
| Sensitivity | 94 dB (1 kHz - 16 kHz) |
| Crossover Network | 1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF |
| Dimensions (H x W x D) | 366 x 366 mm (14.4 x 14.4 in) square baffle x depth from back of baffle of 240 mm (9.5 in) |
| Maximum SPL (1m) | 118 dB (top 70V/100V tap) |
| Input Connectors | Screw locking barrier strip for bare wire |
| Drivers | LF Driver: 300 mm (12 in) HF Driver: compression driver, 25 mm (1 inch) coil |
| Color | White |
| Safety Agency | Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70 when installed with UL listed backcan such as JBL MTC-300BB12. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849. |
| Backcan | formed steel (wood-lined; accessory) |
| Baffle/Rim | Metal, driver pre-mounted to baffle, ported. |
| Ceiling Cutout Size | 378 x 378 mm (14.9 x 14.9 in) (for MTC-300BB12 backcan) |
| Included Accessories | Ported baffle pre-attached, transformer on 321CT. |
| Optional Accessories | MTC-300SG12 Grille, square contoured, white. MTC-300BB12 Backbox, 80 liters (3 cubic feet) MTC-300T150 Transformer, 150 W for use with 321C. |
| Plenum Usage | Yes, with accessory backcan |
Accessori
MTC-300BB12 | 3 Cubic Ft. Backbox for Control 300 Series 12 in. Drivers
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3 Cubic Ft. Backbox for Control 300 Series 12 in. Drivers
Professional Series
- Extra-thick 16 gauge metal construction.
- Lined with 12 mm (½ inch) thick MDF to eliminate resonances and to provide extra bass response.
- Knockouts on top and all four sides.
- Dual mounting system for baffle.
- Mounting platform for an optional high-power 70V/100V transformer.
Documentazione
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MTC-300BB12 Spec Sheet
[2,54 MB]
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Accessing the Conduit Knockouts
[116 KB]
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Control 300 Ceiling Speaker Backboxes / Backcans
[1,1 MB]
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Control 300 Ceiling Speakers
[1,39 MB]
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JBL Brackets
[152 KB]
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Brackets Declaration of Conformity
[141 KB]
MTC-300SG12 | Square Grille for Control 300 Series 12 in. Drivers
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Square Grille for Control 300 Series 12 in. Drivers
Professional Series
- Rugged 19 gauge metal construction for enduring reliability.
- Sculpted design for an elegant appearance and perfect for any decor or architectural setting.
- Zinc underplating provides a rust and scratch resistant surface for years of maintenance free wear.
- Powder coat final finish minimizes scratching and can easily be repainted to match any room color.
Documentazione
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MTC-300SG12 Spec Sheet
[91,8 KB]
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JBL Brackets
[152 KB]
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Brackets Declaration of Conformity
[141 KB]
MTC-300T150 | 150 Watt Transformer
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150 Watt Transformer
For use on either 70V or 100V distributed loudspeaker lines.
Documentazione
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MTC-300T150 Spec Sheet
[220 KB]
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