JBL Professional Control 321C

Größere Bilder

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.

Eigenschaften

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.

Downloads

Specifications

	Größe	Hochgeladen
Control 321C/CT12 Spec Sheet aktualisiert: Apr 2019	1,47 MB	Apr 2019

Manuals

	Version	Größe	Hochgeladen
Ceiling Speaker Accessory Guide Version B, aktualisiert: Jan 2024	B	231 KB	Jan 2024
Compatible Third-Party Backboxes for Control 300 Series Speakers aktualisiert: Okt 2019		128 KB	Okt 2019

Brochures

	Version	Sprache	Größe	Hochgeladen
Control Contractor Brochure (2025) Version A, aktualisiert: Mär 2026	A		23 MB	Mär 2026
Control Contractor Brochure (2024) Version D, aktualisiert: Feb 2024	D		14 MB	Feb 2024
Control 300 Brochure aktualisiert: Apr 2019			2,9 MB	Apr 2019
Control Contractor Brochure (2026) aktualisiert: Mär 2026			21 MB	Mär 2026

CAD Drawings

	Größe	Hochgeladen
Control 300 Ceiling Speakers aktualisiert: Okt 2019	1,39 MB	Okt 2019

Compliances

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JBL Control Series Passive Speakers DoC aktualisiert: Dez 2019	179 KB	Dez 2019
Control 300 Series Declaration of Conformity aktualisiert: Okt 2019	92,7 KB	Okt 2019

Software

	Version	Größe	Hochgeladen
Distributed System Design (DSD) Version 3.9, aktualisiert: Nov 2025	3.9	612 KB	Nov 2025

Simulation Data

	Größe	Hochgeladen
Ease SPK/DLL Files - Full JBL Pro Line aktualisiert: Mai 2024	21 MB	Mai 2024

User Guides

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Control 300 User Guide aktualisiert: Apr 2019	2,02 MB	Apr 2019

Install Guides

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Control 321 & 322 Installation Guide aktualisiert: Apr 2019	574 KB	Apr 2019

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Teile & Service

Spezifikationen

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

Zubehör

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

Größere Bilder

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.

Dokumentation

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

Größere Bilder

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.