JBL Professional Control 321C

រូបភាពធំជាង

12 in. Coaxial Ceiling Loudspeaker with HF Compression Driver

The Control 321C has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.

លក្ខណៈពិសេស

Consistent 90° broadband pattern control.
Components
• 300 mm (12 in) woofer with Kevlar-reinforced cone 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.

ការទាញយក

Specifications

	ទំហំ	បានផ្ទុកឡើង
Control 321C/CT12 Spec Sheet បានធ្វើបច្ចុប្បន្នភាព: មេសា 2019	1.47 MB	មេសា 2019

Manuals

	ទំហំ	បានផ្ទុកឡើង
Compatible Third-Party Backboxes for Control 300 Series Speakers បានធ្វើបច្ចុប្បន្នភាព: តុលា 2019	128 KB	តុលា 2019

Brochures

	កំណែ	ភាសា	ទំហំ	បានផ្ទុកឡើង
Control Contractor Brochure (2025) កំណែ A, បានធ្វើបច្ចុប្បន្នភាព: មិនា 2026	A		23 MB	មិនា 2026
Control Contractor Brochure (2024) កំណែ D, បានធ្វើបច្ចុប្បន្នភាព: កុម្ភៈ 2024	D		14 MB	កុម្ភៈ 2024
Control 300 Brochure បានធ្វើបច្ចុប្បន្នភាព: មេសា 2019			2.9 MB	មេសា 2019
Control Contractor Brochure (2026) បានធ្វើបច្ចុប្បន្នភាព: មិនា 2026			21 MB	មិនា 2026

CAD Drawings

	ទំហំ	បានផ្ទុកឡើង
Control 300 Ceiling Speakers បានធ្វើបច្ចុប្បន្នភាព: តុលា 2019	1.39 MB	តុលា 2019

Compliances

	ទំហំ	បានផ្ទុកឡើង
JBL Control Series Passive Speakers DoC បានធ្វើបច្ចុប្បន្នភាព: ធ្នូ 2019	179 KB	ធ្នូ 2019
Control 300 Series Declaration of Conformity បានធ្វើបច្ចុប្បន្នភាព: តុលា 2019	92.7 KB	តុលា 2019

Software

	កំណែ	ទំហំ	បានផ្ទុកឡើង
Distributed System Design (DSD) កំណែ 3.9, បានធ្វើបច្ចុប្បន្នភាព: វិច្ឆិកា 2025	3.9	612 KB	វិច្ឆិកា 2025

Simulation Data

	ទំហំ	បានផ្ទុកឡើង
Ease SPK/DLL Files - Full JBL Pro Line បានធ្វើបច្ចុប្បន្នភាព: ឧសភា 2024	21 MB	ឧសភា 2024

User Guides

	ទំហំ	បានផ្ទុកឡើង
Control 300 User Guide បានធ្វើបច្ចុប្បន្នភាព: មេសា 2019	2.02 MB	មេសា 2019

Accessories

	កំណែ	ទំហំ	បានផ្ទុកឡើង
Ceiling Speaker Accessory Guide កំណែ 2026-04, បានធ្វើបច្ចុប្បន្នភាព: ឧសភា 2026	2026-04	570 KB	ឧសភា 2026

Install Guides

	ទំហំ	បានផ្ទុកឡើង
Control 321 & 322 Installation Guide បានធ្វើបច្ចុប្បន្នភាព: មេសា 2019	574 KB	មេសា 2019

ប្រសិនបើតំណភ្ជាប់ខាងលើបង្ហាញអក្សរចម្លែកក្នុងកម្មវិធីរុករករបស់អ្នក សូមចុចខាងស្តាំលើឯកសារដើម្បីរក្សាទុកទៅកុំព្យូទ័ររបស់អ្នក។

ផ្នែក និងសេវាកម្ម

លក្ខណៈពិសេស

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
Sensitivity	94 dB (1 kHz - 16 kHz)
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)
Crossover Network	1.8 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF
Impedance	5.6 ohms
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 223 mm (8.8 in)
Maximum SPL (1m)	118 dB (124 dB peak)
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)
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

គ្រឿងបន្លាស់

MTC-300BB12 | 3 Cubic Ft. Backbox for Control 300 Series 12 in. Drivers

រូបភាពធំជាង

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.

ឯកសារ

MTC-300BB12 Spec Sheet [2.54 MB]
Accessing the Conduit Knockouts [116 KB]
Control 300 Ceiling Speaker Backboxes / Backcans [1.1 MB]
Control 300 Ceiling Speakers [1.39 MB]
JBL Brackets [152 KB]
Brackets Declaration of Conformity [141 KB]

MTC-300SG12 | Square Grille for Control 300 Series 12 in. Drivers

រូបភាពធំជាង

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.