21 дюймов сырья НЧ-динамик 2000 Вт Pro PA аудио DJ бас неодимовые сабвуфер
- Категория: Trade Show Equipment >>>
- Поставщик: Guangzhou,Tianjun,Electronic,Technology,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-16-2025 | 362.91 $* | 380.21 $* |
| Aug-16-2025 | 359.47 $* | 377.43 $* |
| Jul-16-2025 | 301.41 $* | 316.13 $* |
| Jun-16-2025 | 353.27 $* | 371.71 $* |
| May-16-2025 | 307.38 $* | 322.47 $* |
| Apr-16-2025 | 347.21 $* | 364.70 $* |
| Mar-16-2025 | 344.55 $* | 361.78 $* |
| Feb-16-2025 | 340.57 $* | 357.37 $* |
| Jan-16-2025 | 337.36 $* | 354.92 $* |
Характеристики
21 inch Raw Woofer Speaker 2000 Watt Pro Audio PA DJ Bass Neodymium Subwoofer Low Frequency Driver
Products Description
Applicable use
Use for pro DJ speakers, pro PA speakers, pro karaoke speakers, live sound speakers, fixed installation speakers, studio monitors and home audio speakers.SEE MORE.
Product Paramenters
SPECIFICATIONS | |||
TYPE | ND SUBWOOFER | ||
Nominal Diameter | 530/21 | mm/in | |
Rated impedance | 8 | ohm | |
Minimum Impedance | 7.0 | ohm | |
Power Handing | 1000 | W | |
AES Power Handing | 2000 | W | |
Max Power Handing | 4000 | W | |
Sensitivity | 94 | dB | |
Frequency Range | 29-1000 | Hz | |
Voice Coil Diameter | 152/6.0 | mm/in | |
Winding Material | Copper | ||
Former Material | Glass Fibre | ||
Winding Depth | 32/1.25 | mm/in | |
Megnetic Gap Depth | 12/0.47 | mm/in | |
Megnetic Material | Neodymium |
THIELE & SMALL PARAMETERS | |||
Resonance frequency | Fs | 29 | Hz |
Dc resistance | Re | 6.0 | ohm |
Mechanical factor | Qms | 4.99 | |
Electrical factor | Qes | 0.42 | |
Total factor | Qts | 0.39 | |
BL factor | Bl | 33.5 | T.M |
Effective Moving mass | Mms | 437 | g |
Effective Cas air load | Vas | 269 | liters |
Effective piston area | Sd | 1680 | cm^2 |
Inductance | Le | 2 | mh |
Max linear excursion | Xmax | ±14 | mm |
EBP | 69 | Hz |
MOUNTING AND SHIPPING | |||
Overall Diameter | 550/21.6 | mm/in | |
Bolt Circle Diameter | 528/20.7 | mm/in | |
Mount Baffle Cut-out | 506/19.9 | mm/in | |
Depth | 257/10.3 | mm/in | |
Flange And Gasket Thickness | 15/0.59 | mm/in | |
Net Weight | 18.7 | kg | |
Shipping Weight | 21 | kg | |
Shipping Box | 565x565x280 mm | 22.2x22.2x11 in |
Details Images
Company Introduction
Guangzhou Tianjun Electronic Technology Co., Ltd. was established in 2011 as an electro-acoustic enterprise mainly engaged in R&D, production and sales of PA speakers. We have a strong R&D department and engineers with 20 years of industry experience. The development auxiliary software includes FINEMOTER, LMS, CLIO and Swedish COMSOL physical simulation software. It has successively designed, customized, produced and OEM for well-known brands at home and abroad. Teaming up with international famous brands allows us to gain more professional electro-acoustic manufacturing experience. Tianjun Company is positioned to further strengthen its internationalization and specialization. We adhere to the "professional technology, professional quality" as the core of the enterprise, and develop high-quality products. In order to further improve the quality and quality of products, key raw materials are developed and purchased in cooperation with global manufacturers such as the United Kingdom, Germany, the United States, Thailand, Japan, and Malaysia. Strictly control the quality from the introduction of raw materials to the delivery of products. The company is favored and recognized by customers for its high-quality products and beautiful prices. We look forward to receiving your inquiries!
Why choose us
Have a product development and design team
Our R&D personnel have 20 years of design and development experience
Development assistance software: FINEMOTER, LMS, CLIO, COMSOL
Our R&D personnel have 20 years of design and development experience
Development assistance software: FINEMOTER, LMS, CLIO, COMSOL
FAQ
Q1: How can I get samples?
A: If you need a sample test, please contact us. We will make it according to your requirements. You may need to pay the sample fee and its shipping fee.
Q2: How much is the shipping cost for samples?
A: Different samples have different weights and packaging sizes. Please contact us for details.
Q3: Can I print my logo on the product and packaging?
A: Of course you can. Just need you to send us your logo design and authorization documents , we will make it on the product and packaging according to your request for your confirmation.
Q4: Can you produce according to customer's design?
A: Yes. We mainly do OEM/ODM services.
Q5: How are your products packaged?
A: Generally, we pack in white boxes and brown cartons.
Q6: How to strictly control the quality of products?
A: We have strict quality control on products from raw materials to production process, and all products are tested before leaving the factory.
A: If you need a sample test, please contact us. We will make it according to your requirements. You may need to pay the sample fee and its shipping fee.
Q2: How much is the shipping cost for samples?
A: Different samples have different weights and packaging sizes. Please contact us for details.
Q3: Can I print my logo on the product and packaging?
A: Of course you can. Just need you to send us your logo design and authorization documents , we will make it on the product and packaging according to your request for your confirmation.
Q4: Can you produce according to customer's design?
A: Yes. We mainly do OEM/ODM services.
Q5: How are your products packaged?
A: Generally, we pack in white boxes and brown cartons.
Q6: How to strictly control the quality of products?
A: We have strict quality control on products from raw materials to production process, and all products are tested before leaving the factory.
Packing&Shipping
Packing:
1.Neutral Packing 2.Strong Carton 3.1 Piece Per Carton
Shipping:
1️⃣Ocean Transport 2️⃣Air Transport 3️⃣Rail Transport 4️⃣Road Transport 5️⃣International Express
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