| Prod Model: |
CH-1200 |
| 8ohm Stereo Power: |
1200W*2 |
| 4ohm Stereo Power: |
1800W*2 |
| 8ohm Bridging Power: |
3600W |
| 4ohm Bridging Power: |
4800W |
| Frequency Response: |
20Hz-20kHz/ +0/ -0.5dB |
| Thd: |
<0.05%@8Ω1kHz |
| Snr: |
>100dB |
| Impedance Coefficient: |
200@8ohm |
| Power Supply: |
AC220V±10%50Hz |
| Net Weight: |
19kg |
| Type: |
Professional Amplifier |
| Usage: |
Stage |
| Used For: |
Professional |
| Tube Type: |
Transistor Amplifier |
| Function: |
Amplifier Combined |
| Voltage: |
AC 220V |
| Element Number: |
Push-Pull Amplifier |
| Sound Channel: |
2.0 |
| Output Number: |
2 |
| Conductive Mode: |
H |
Product Description
Product Description| Product Name | |
| Item No. | CH250 | CH300 | CH400 | CH600 | DH-3 |
| 8Ω Stereo Power: | 250w*2 | 350w*2 | 450w*2 | 600w*2 | 120w*2 |
| 4Ω Stereo Power | 400w*2 | 550w*2 | 700w*2 | 900w*2 | 160w*2 |
| 8Ω Bridging Power | 750w | 1050w | 1350w | 1800w | 280w |
| 4Ω Bridging Power | 1000w | 1400w | 1800w | 2400w | |
| Cooling Method | wind cooling |
| Channel Resolution(within 1 KHz) | >60dB |
| Frequency Response | 20Hz-20KHz/ +0/ -0.5dB | 20Hz-20KHz/ ±0.5dB |
| THD | <0.025%@8Ω1KHz | <0.05%@8Ω1KHz |
| SNR | >100dB | >105dB |
| Input Sensitivity | 0.775V |
| Conversion Rate | >20V/μs |
| CMRR | >70dB |
| Input Impedance | Balanced 20KΩ; Unbalanced 10KΩ |
| Impedance Coefficient | 200@1KHz/8Ω |
| Protection | Peak limit; overload; DC; short circuit; overheating; SS |
| Control | Front panel: power switch/ channel1&channel 2 volume control
Back panel: pattern/ Sensitivity/ earthing switch |
| Input interface | 3 pin XLR |
| Output interface | Binding post & Speak-on NL4*2 pin1 + /2 + POS (plus/minus 4 cores security socket) |
| Amplifier Circuit | class H |
| Main Fuse | 10A |
| Power Supply | 220V/50Hz |
| Product Size(mm/set) | 345*483*88 | 482*304*88 |
| Net Weight | 10KG | 11KG | 12KG | 15KG | 18KG |
CH-1200 AMPLIFIER
The main technical parameters:8Ω stereo power: 1200W × 2;
4Ω stereo power: 1800W × 2;
8Ω bridge power: 3600W;
4Ω bridge power: 4800W;
Cooling method: air cooling (fan temperature control design);
Channel separation (crosstalk) at 1 kHz:> 60 dB;
Frequency response: 20Hz-20kHz + / _ 1db;
Total harmonic distortion: <0.025 %@8Ω1KHz;
Signal to noise ratio:> 100dB;
Amplifier circuit: H class;
Conversion rate:> 20V / μs;
Input common mode rejection ratio:> 70db;
Input impedance: balance 20K ohms and unbalanced 10K ohms;
Impedance factor:> 200 @ 1kHz / 8Ω;
Input sensitivity: 0.775V;
Control: Front panel: Power switch / channel 1 Channel 2 Volume control;
Rear panel: mode / sensitivity / ground switch Input interface: 3 pin (XLR)
Output interface: terminal and SPEAKON NL4 × 2 PIN1 + / 2 + POS (plus or minus 4 core safety socket);
Main fuse: 10A;
Power requirements: 220V / 50Hz;
Body size: (D) 345 * (W) 483 * (H) 88 (unit: mm);
Net weight: 19kg.
Packaging & Shipping 
FAQ
1.Q: Are you a factory or trading company?
A: We are a manufacturer (with our own factory) since 2000. We are a leading manufacturer, exporter and supply chain service provider on professional audio system.
2.Q:Where is your factory located? How can I visit there?
A: Our factory is located in Nancun District, Guangzhou City, Guangdong Province, China.
About 30mins by car fromGuangzhou South Railway Station, We welcome customers from all over the world !
3.Q: Can you do OEM and ODM?
A: Yes, both. We can put your idea into products.
We have professional research development team, develop the products according to customer required.
Guangzhou Jusbe Electronics Technology Co. Ltd. was established in 2002. For 14 years, we have been dedicated in the field of Professional audio system industry. As the solution supplier and manufacturer of Audio system, we're using artificial intelligence to change the world step by step: Amplifier, speakers, microphone, line array series, peripheral equipment, mixer...
Our factory covers 10 thousand square meters, including 2 main workshop(professional audio products workshop, teaching audio products workshop) and accessory workshop. In order to provide our clients with high performance products in competitive price, we import ISO9001 Quality Management System, ISO14000 Environment Management System and SRRC System to our factory. What's more, there're nearly 300 marketing staff, 30 branches all over the country.
In order to meet the global trend, our brand Jusbe has been registrated in USA, Hongkong. In the meantime, we have built strategic relationship with 20 excellent global partners.
It's rarely to find such a manufacturing basement of large scale and multiple systems. Relying on 15 major series and more than 1000 products, we're confidence to provide our clients from various area with complete and individual solution. For now, it's proud to say that we have 100 thousand successful cases worldwide and our clients're satisfied with them.
Our products have been applied to many important events or buildings, such as Google experience center, China Telecom, Guangzhou South Railway Station, Hengda Real Estate Group etc.
