JBL Professional Control 321CT

Grandes images

Haut-parleur de plafond coaxial 12 po avec pilote de compression HF

Le Control 321CT a été conçu de toutes pièces pour offrir des performances exceptionnelles de nouvelle génération dans un haut-parleur de plafond à conception source ponctuelle coaxiale.

Caractéristiques

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.

Téléchargements

Specifications

	Taille	Téléchargé
Control 321C/CT12 Spec Sheet mis à jour : avr. 2019	1,47 Mo	avr. 2019

Manuals

	Taille	Téléchargé
Transformer Bypass on Control 321CT, Control 322CT, or Control 328CT mis à jour : oct. 2019	59,2 ko	oct. 2019
Control 300 Series Transformer Insertion Loss Chart mis à jour : oct. 2019	15,4 ko	oct. 2019

Brochures

	Version	Langue	Taille	Téléchargé
Control Contractor Brochure (2025) version A, mis à jour : mars 2026	A		23 Mo	mars 2026
Control 300 Brochure mis à jour : avr. 2019			2,9 Mo	avr. 2019
Control Contractor Brochure (2026) mis à jour : mars 2026			21 Mo	mars 2026

CAD Drawings

	Taille	Téléchargé
Control 300 Ceiling Speakers mis à jour : oct. 2019	1,39 Mo	oct. 2019

Compliances

	Taille	Téléchargé
JBL Control Series Passive Speakers DoC mis à jour : déc. 2019	179 ko	déc. 2019
Control 300 Series Declaration of Conformity mis à jour : oct. 2019	92,7 ko	oct. 2019

Software

	Version	Taille	Téléchargé
Distributed System Design (DSD) version 3.9, mis à jour : nov. 2025	3.9	612 ko	nov. 2025

EASE Files

	Taille	Téléchargé
Control 300 Series GLL Files mis à jour : mai 2024	1,08 Mo	mai 2024

User Guides

	Taille	Téléchargé
Control 300 User Guide mis à jour : avr. 2019	2,02 Mo	avr. 2019

Accessories

	Version	Taille	Téléchargé
Ceiling Speaker Accessory Guide version 2026-04, mis à jour : mai 2026	2026-04	570 ko	mai 2026

Install Guides

	Taille	Téléchargé
Control 321 & 322 Installation Guide mis à jour : avr. 2019	574 ko	avr. 2019

Si l'un des liens ci-dessus affiche des caractères étranges dans votre navigateur, faites un clic droit sur le fichier pour l'enregistrer sur votre ordinateur.

Pièces détachées et réparations

Caractéristiques techniques

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

Accessoires

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

Grandes images

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.

Documentation

MTC-300BB12 Spec Sheet [2,54 Mo]
Accessing the Conduit Knockouts [116 ko]
Control 300 Ceiling Speaker Backboxes / Backcans [1,1 Mo]
Control 300 Ceiling Speakers [1,39 Mo]
JBL Brackets [152 ko]
Brackets Declaration of Conformity [141 ko]

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

Grandes images

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.