JBL Professional Control 28-1L

រូបភាពធំជាង

High-Output 8-Ohm Indoor/Outdoor Background/Foreground Speaker

The Control® 28-1L is a two-way 8” speaker with rich sonic character, wide coverage, consistent coverage, versatile mounting, and a contemporary high-design look that fits into a wide range of decors, This makes Control 28-1L an excellent choice for a wide variety of applications, including retail stores, restaurants, health clubs, theme parks, educational facilities, hospitality, music cafes, leisure venues, and anywhere where a top quality high-output indoor/outdoor foreground/background music (and/or paging) speaker is required.

លក្ខណៈពិសេស

8” woofer with woven fiberglass cone
1” PEI diaphragm tweeter with fluid cooling
Contemporary, high-design appearance
Built-in InvisiBall® mounting hardware, plus available U-bracket
Weather resistant enclosure and transducers
Wide 100° x 100° coverage
120 Watt power handling (240 Watt program)
High fidelity sound character with broad frequency response of 45 Hz – 20 kHz.

ការទាញយក

Specifications

	កំណែ	ទំហំ	បានផ្ទុកឡើង
Control 28-1L Spec Sheet កំណែ B, បានធ្វើបច្ចុប្បន្នភាព: មិនា 2020	B	463 KB	មិនា 2020

Manuals

	ទំហំ	បានផ្ទុកឡើង
MTC-23UB-1, 25UB-1, 28UB-1 U Bracket Install Guide បានធ្វើបច្ចុប្បន្នភាព: តុលា 2019	67.7 KB	តុលា 2019

Brochures

	កំណែ	ភាសា	ទំហំ	បានផ្ទុកឡើង
Loudspeakers for Sports Facilities បានធ្វើបច្ចុប្បន្នភាព: កក្កដា 2024			5.71 MB	កក្កដា 2024
Control Contractor Brochure (2024) កំណែ D, បានធ្វើបច្ចុប្បន្នភាព: កុម្ភៈ 2024	D		14 MB	កុម្ភៈ 2024
Control Contractor Brochure (2025) កំណែ A, បានធ្វើបច្ចុប្បន្នភាព: មិនា 2026	A		23 MB	មិនា 2026
Control Contractor Brochure (2026) បានធ្វើបច្ចុប្បន្នភាព: មិនា 2026			21 MB	មិនា 2026

CAD Drawings

	ទំហំ	បានផ្ទុកឡើង
Control 23-1, 25-1, 28-1 Bracket 2D & 3D CAD, PDF បានធ្វើបច្ចុប្បន្នភាព: តុលា 2020	5.81 MB	តុលា 2020
Control 28-1/L 2D Drawing បានធ្វើបច្ចុប្បន្នភាព: តុលា 2020	485 KB	តុលា 2020
Control 28-1/L 3D Drawing បានធ្វើបច្ចុប្បន្នភាព: តុលា 2020	3.33 MB	តុលា 2020

BIM Objects

	ទំហំ	បានផ្ទុកឡើង
Control 28-1 BIM Object បានធ្វើបច្ចុប្បន្នភាព: សីហា 2019		សីហា 2019

Compliances

	ទំហំ	បានផ្ទុកឡើង
JBL Control Series Passive Speakers DoC បានធ្វើបច្ចុប្បន្នភាព: ធ្នូ 2019	179 KB	ធ្នូ 2019
Control Contractor 20-1(L) Declaration of Conformity បានធ្វើបច្ចុប្បន្នភាព: តុលា 2019	75.9 KB	តុលា 2019
Control Contractor Series Declaration of Conformity បានធ្វើបច្ចុប្បន្នភាព: តុលា 2019	131 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

	កំណែ	ទំហំ	បានផ្ទុកឡើង
JBL Pro ALL CLF Files កំណែ 12-10-21, បានធ្វើបច្ចុប្បន្នភាព: ឧសភា 2023	12-10-21	24 MB	ឧសភា 2023

Images

	ទំហំ	បានផ្ទុកឡើង
Control 28-1 Front White បានធ្វើបច្ចុប្បន្នភាព: តុលា 2020	339 KB	តុលា 2020
Control 28-1 Detail បានធ្វើបច្ចុប្បន្នភាព: តុលា 2020	806 KB	តុលា 2020
Control 28-1 Angle បានធ្វើបច្ចុប្បន្នភាព: តុលា 2020	330 KB	តុលា 2020

Accessories

	ទំហំ	បានផ្ទុកឡើង
WeatherMax Grille Photos បានធ្វើបច្ចុប្បន្នភាព: មេសា 2021	2.75 MB	មេសា 2021
U-Bracket Install guide បានធ្វើបច្ចុប្បន្នភាព: តុលា 2020	67.7 KB	តុលា 2020

Install Guides

	ទំហំ	បានផ្ទុកឡើង
Painting HIPS Loudspeaker Cabinets បានធ្វើបច្ចុប្បន្នភាព: មិថុនា 2023	377 KB	មិថុនា 2023
Guide to Business Music បានធ្វើបច្ចុប្បន្នភាព: តុលា 2020	52.4 KB	តុលា 2020
Invisiball™ Installation Instructions បានធ្វើបច្ចុប្បន្នភាព: កញ្ញា 2019	227 KB	កញ្ញា 2019
Attaching Control Contractor Speakers to Stands បានធ្វើបច្ចុប្បន្នភាព: វិច្ឆិកា 2019	76.4 KB	វិច្ឆិកា 2019

Speaker Tunings

	កំណែ	ទំហំ	បានផ្ទុកឡើង
Commercial, CBT, and AWC Tunings 220616 កំណែ A, បានធ្វើបច្ចុប្បន្នភាព: ឧសភា 2023	A	557 KB	ឧសភា 2023

ប្រសិនបើតំណភ្ជាប់ខាងលើបង្ហាញអក្សរចម្លែកក្នុងកម្មវិធីរុករករបស់អ្នក សូមចុចខាងស្តាំលើឯកសារដើម្បីរក្សាទុកទៅកុំព្យូទ័ររបស់អ្នក។

ផ្នែក និងសេវាកម្ម

លក្ខណៈពិសេស

Frequency Range (-10dB)	45 Hz to 20 kHz
Frequency Response (±3 dB)	62Hz - 16 kHz
Power Rating	240 W Continuous Program (2 hrs) *Continuous Pink Noise rating is IEC-shaped pink noise with a 6 dB crest factor. Continuous Program Power is defined as 3 dB above the Continuous Pink Noise Rating and is conservative expression of the system’s ability to handle normal speech and music program material.
Maximum Input Voltage	27.5 V RMS (2 hrs), 55.0 V peak
Maximum SPL (1m)	112 dB ave. Continuous Pink Noise (118 dB peak) *Calculated from sensitivity and power handling, exclusive of power compression.
Sensitivity	91 dB, 1W/1m (ave. 100 Hz – 10 kHz) *Half-space (on-wall) averaged 100 Hz – 10 kHz, 2.83V.
Coverage Angle	100°H x 100°V
Directivity Factor (Q)	7.3 (averaged 1kHz – 16kHz)
Impedance	8 ohms
Crossover Type	2nd order low-pass, 1st order high-pass, plus conjugate shaping
Recommended Protective High-Pass	45 Hz high-pass (24 dB/oct) *For protection against driving below resonant frequency and to keep transformer out of saturation.
Drivers	LF: 200 mm (8 in), woven-fiberglass cone with pure butyl rubber surround with Weather-Edge frame protection, high-temp fiberglass voice coil former, high-temp voice coil wire, optimized cone geometry, linear suspension spider, and FEA optimized motor structure. HF: 25 mm (1 in) PEI diaphragm, low-viscosity ferro-magnetic fluid, and lightweight Kapton™ voice coil former.
Enclosure	High Impact Polystyrene (HIPS) with 10% glass fill, painted with highly-UV resistant paint on white (-WH) version for maximum UV fade resistance.
Grille	Highly zinc-plated, finished in durable TGIC polyester powdercoating. MTC-28WMG-1 (&-WH) available with WeatherMax™ multi-layer foam and tight-weave mesh vapor barrier backing.
Mounting Hardware	InvisiBall wall-mounting system included. Two 6 mm attachment points (on top and bottom) for optional MTC-28WMG-1 (&-WH) U-bracket. Secondary safety attachment loop point on back panel.
Outdoor Capability	IP-44 per IEC529 (IP-55 when installed with the optional MTC-28WMG-1 WeatherMax™ grille and either MTC-PC2 or MTC-PC3 panel cover.) Exceeds MilSpec 810 for humidity, salt-spray, temperature & UV. Passes MilStd-202F for salt spray and ASTM G85 for acid-air plus salt spray. Optional MTC-28WMG-1 WeatherMax™ grille for breaking up driving rain and for especially difficult environments.
Input Connectors	Screw-down terminal strip, zinc-plated copper based, nickel-plated metal screws and washers. Accepts up to 9 mm outside 4 mm inside open lugs (#6, #8, or #10 lug), plus bare wire (up to 12 AWG / 2.5 mm2). Optional MTC-PC2 and MTC-PC3 protective panel covers available to provide sealed entrance for additional weather protection.
Safety Agency	ROHS-compliant
Colors	Black (RAL9004) or white (-WH, RAL9016)
Dimensions (H x W x D)	386 x 282 x 219 mm (15.2 x 11.1 x 8.6 in); 277 mm (10.9 in) deep total when mounted on InvisiBall wall-mount bracket. *In vertical orientation
Net Weight (each)	6.2 kg (13.5 lbs)
Shipping Weight	13.4 kg (29.5 lbs) pair-packed (for 2 speakers)
Included Accessories	InvisiBall™ wall-mounting system, 6 mm x 180 mm hex key
Optional Accessories	MTC-28UB-1 – Yolk-type U-bracket (&-WH)

HARMAN Pro Insights

JBL Control Contractor Loudspeakers: Around the World in Eight Epic Installs

Commercial audio designers and consultants have many choices when selecting the right manufacturer, product and solution to fulfill the unique requirements of each client’s particular installed audio application. The JBL Control Contactor Series was developed specifically to target these users with purpose-built ceiling, pendant, in-wall,

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