JBL Professional Control 328C

较大的图像

8" Coaxial Ceiling Loudspeaker with HF Compression Driver

Control 328C has been engineered from the ground up to deliver exceptional next-generation performance in a coaxial point source design ceiling loudspeaker.

特点

Consistent 120° broadband pattern control covers an extremely large area.
Shaped mounting baffle provides the pattern control of a 300 mm (12 in) horn from a 200 mm (8 in) driver.
Components
• 200 mm (8 in) woofer with Kevlarre inforced cone and 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 very 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.

下载

Specifications

	大小	上传日期
Control 328C/CT Spec Sheet 更新: 4月 2019	719.5 KB	4月 2019

Manuals

	大小	上传日期
Compatible Third-Party Backboxes for Control 300 Series Speakers 更新: 10月 2019	127.7 KB	10月 2019

Brochures

	版本	语言	大小	上传日期
Control Contractor Brochure (2025) 版本 A, 更新: 3月 2026	A		23.0 MB	3月 2026
Control Contractor Brochure (2024) 版本 D, 更新: 2月 2024	D		14.0 MB	2月 2024
Control 300 Brochure 更新: 4月 2019			2.9 MB	4月 2019
Control Contractor Brochure (2026) 更新: 3月 2026			21.0 MB	3月 2026

CAD Drawings

	大小	上传日期
Control 300 Ceiling Speakers 更新: 10月 2019	1.4 MB	10月 2019

Compliances

	大小	上传日期
JBL Control Series Passive Speakers DoC 更新: 12月 2019	179.3 KB	12月 2019
Control 300 Series Declaration of Conformity 更新: 10月 2019	92.7 KB	10月 2019

Software

	版本	大小	上传日期
Distributed System Design (DSD) 版本 3.9, 更新: 11月 2025	3.9	611.8 KB	11月 2025

Simulation Data

	大小	上传日期
Ease SPK/DLL Files - Full JBL Pro Line 更新: 5月 2024	21.0 MB	5月 2024

EASE Files

	大小	上传日期
Control 300 Series GLL Files 更新: 5月 2024	1.1 MB	5月 2024

User Guides

	大小	上传日期
Control 300 User Guide 更新: 4月 2019	2.0 MB	4月 2019

Accessories

	版本	大小	上传日期
Ceiling Speaker Accessory Guide 版本 2026-04, 更新: 5月 2026	2026-04	570.0 KB	5月 2026

Speaker Tunings

	版本	大小	上传日期
Commercial, CBT, and AWC Tunings 220616 版本 A, 更新: 5月 2023	A	557.0 KB	5月 2023

Install Guides

	大小	上传日期
Control 328C/CT Assembly Guide 更新: 4月 2019	538.5 KB	4月 2019

如果上述任何链接在您的浏览器中显示为奇怪的字符，请右键点击文件以将其保存到您的计算机。

零件与服务

性能

频率范围 (-10dB)	45 Hz – 18 kHz
额定功率	IEC Long-Term System Power Rating: 250 W continuous pink noise (1000 W peak), 2 hrs 150 W continuous pink noise (600 W peak), 100 hrs
灵敏度	93 dB (1 kHz - 16 kHz)
Frequency Response (±3 dB)	60Hz – 16 kHz
覆盖角度	120° conical, constant directivity
Directivity Factor (Q)	7.0 (Avg 1k - 16kHz)
Directivity Index (DI)	8.5dB (Avg 1k - 16kHz)
Maximum SPL (1m)	118 dB (124 dB peak)
Crossover Network	1.9 kHz, 3rd order (18 dB/oct) high-pass plus conjugate to HF, 2nd order low-pass to LF
阻抗	8 ohms
尺寸（高 x 宽 x 厚）	305 mm (12.0 in.) diameter round baffle x depth from back of baffle of 160 mm (6.3in)
输入接口	Screw locking barrier strip for bare wire
Drivers	LF Driver: 200 mm (8 in) HF Driver: compression driver, 25 mm (1 inch) coil
颜色	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-300BB8. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849.
Backcan	formed steel (wood-lined; accessory)
Baffle/Rim	Metal, round, driver pre-mounted to baffle, ported.
Ceiling Cutout Size	310 mm (12.2 in) diameter (for MTC-300BB8 backcan)
Optional Accessories	MTC-RG6/8 Grille, round contoured, white. MTC-SG6/8 Grille, square, contoured, white. MTC-300BB8 Backbox, 25 liters (1 cubic feet)
Plenum Usage	Yes, with accessory backcan