JBL Professional Control 321C

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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.

Funkcje

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.

Pobrania

Specifications

	Rozmiar	Przesłano
Control 321C/CT12 Spec Sheet zaktualizowano: kwi 2019	1,47 MB	kwi 2019

Manuals

	Rozmiar	Przesłano
Compatible Third-Party Backboxes for Control 300 Series Speakers zaktualizowano: paź 2019	128 KB	paź 2019

Brochures

	Wersja	Język	Rozmiar	Przesłano
Control Contractor Brochure (2025) wersja A, zaktualizowano: mar 2026	A		23 MB	mar 2026
Control Contractor Brochure (2024) wersja D, zaktualizowano: lut 2024	D		14 MB	lut 2024
Control 300 Brochure zaktualizowano: kwi 2019			2,9 MB	kwi 2019
Control Contractor Brochure (2026) zaktualizowano: mar 2026			21 MB	mar 2026

CAD Drawings

	Rozmiar	Przesłano
Control 300 Ceiling Speakers zaktualizowano: paź 2019	1,39 MB	paź 2019

Compliances

	Rozmiar	Przesłano
JBL Control Series Passive Speakers DoC zaktualizowano: gru 2019	179 KB	gru 2019
Control 300 Series Declaration of Conformity zaktualizowano: paź 2019	92,7 KB	paź 2019

Software

	Wersja	Rozmiar	Przesłano
Distributed System Design (DSD) wersja 3.9, zaktualizowano: lis 2025	3.9	612 KB	lis 2025

Simulation Data

	Rozmiar	Przesłano
Ease SPK/DLL Files - Full JBL Pro Line zaktualizowano: maj 2024	21 MB	maj 2024

User Guides

	Rozmiar	Przesłano
Control 300 User Guide zaktualizowano: kwi 2019	2,02 MB	kwi 2019

Accessories

	Wersja	Rozmiar	Przesłano
Ceiling Speaker Accessory Guide wersja 2026-04, zaktualizowano: maj 2026	2026-04	570 KB	maj 2026

Install Guides

	Rozmiar	Przesłano
Control 321 & 322 Installation Guide zaktualizowano: kwi 2019	574 KB	kwi 2019

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Części i serwis

Specyfikacje

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

Akcesoria

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.

Dokumentacja

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

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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.