| Prod Model: |
DTA4.2 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Price: |
Please Contact Us for Prices. |
| Height: |
2 U |
| Output Pwoer: |
400W at 8 Ohm |
| OEM Production: |
Acceptable |
| Application: |
Commercial |
| Certification: |
CB |
Product Description
Switching Mode Power Supply (SMPS) Power Amplifier DTA4.2
SPECIFICATIONS
| Model No. | DTA4.2 |
| Output power at 8 ohm stereo 1kHz(HIA) with0.5% THD (per channel) | 400Wx2 |
| Output power at 4 ohm stereo 1kHz(HIA) with0.5% THD (per channel) | 750Wx2 |
| Output power at 8 ohm 1kHz(HIA)with0.5% THD 8ohm bridge mono | 1800W |
| Voltage Gain | 32.8dB |
| Frequency Response(at 1 Watt) | 20Hz-20kHz,+0/-1dB |
| Total Harmonic Distortion(THD) | <0.5%,20Hz-20kHz |
| Intermodulation Distortion(1MD) 60Hz and 7kHz at 4:1,from full rated output to -30dB | ≤0.35% |
| Slew Rate | >10V/us |
| Damping Factor(8 ohm),10Hz-400Hz | >200 |
| Signal-to-Noise Ratio (below rated power,20Hz to 20kHz,A-weighted) | >100dB |
| Crosstalk (below rated power) | |
| At 1 kHz | -75dB |
| At 20 kHz | -59dB |
| Input 5ensitivity for full rated power at 8 ohm | 0.775V or 1.4V |
| Input Impedance(nominal) | |
| Balanced | 10K ohm |
| Unbalanced | 20K ohm |
| Protection features | Protection against short circuits, no-load, on/off muting, Rf interference.5table into reactive or mismatched loads |
| Dimensions (WxHxD) | 483x88x320 mm |
| Net weight | 7.8Kg |
PRODUCT FEATURES
This DTA Series adopt full bridge (SMPS) switching mode power supply with high efficiency and stability, third grade CLASS-H audio amplifier circuit. Both 2 and 4 channel are available. The main features are as the following:
. Patented and elegant enclosure design. The aluminium front panel brings you the sense of high quality. Very light in weight and easy to install.
.Well-crafted machine with compact structure.
.Strong output power and applicable to a variety of applications.
. Integrated circuit ensuring excellent and independent output for the multi-region sound reinforcement system.
.Advanced and full protection circuit against short-circuit, broken circuit, direct current, error matching, over-heat and no-load.
.Well selected and strong material of inside components and the enclosure. Good anti-vibration.
.Long-lasting performance stability
.Good cooling system with automatic speed fan with high efficiency of heat dissipation.
.Accurat, and clean sound quality with very low distortion.
. Speakon® socket, binding post output connector, XLR input connector and speaker parallel connector.
.Well tested by AP testing machine to ensure strong stability. Product packing:
Each piece of product with polyfoam protection packed into a paper carton. Or packed as per client's request.
Good Service to you:
1. Manufacturing with Dolsi brand.
2. Manufacturing with your brand ( OEM).
3. Manufacturing with your design, your specification and your brand ( ODM).
4. Closely following up, fluent communication, quick feedback and action to any of your query or request for sampling, order, production,shipment, documents and after-sales service.
Our brand, Dolsi, is similar in pronunciation of Chinese Pinyin "douniushi" which means matador. The matador, originating from Spain, is famous all over the world with perfect combination of confidence, art and power.
With over ten years of experience in the audio field, Dolsi Audio is a manufacturer focusing in research, development and manufacturing of high quality audio equipment, including professional power amplifier, speaker, and other audio peripheral products.
Starting from traditional analog circuit, after hard working of our senior Engineers, Dolsi developed over ten series of amplifiers covering classic analog technology, high efficiency TD electric circuit, digital amplification and professional audio system. Co-operation with famous suppliers America ON, Japan Toshiba and SANKEN ensures our advantage of technology updating and product reliability.
Understanding well the demand to audio equipment performance from the clients, Dolsi engineers configures product functions with various structures and features based on different applications to make variety of products widely used in MID to high level applications.
Quality is our business life. Dolsi product passed CCC, CB, CE and RoHS certification. We always stick to quality first, customer supremacy and service success. Believing only the better, no the best, Dolsi is in progress due to the feedback of clients.
Product quality is our life and progress relies on. DOLSI audio products passed CCC, CB and CE certification.
We understand well about the real demand to the performance of audio equipment from different types of applications. Dolsi engineers configures the functions with different structure and feature based on different applications, coming out variety of product series widely used in MID to high level entertainment places, theatre, stadium, outdoor performance, nightclub, indoor show, bar saloon and multiple-function hall.
Dolsi always sticks to philosophy of quality first, customer supremacy and service success. Believing only the better, not the best, Dolsi is in progress with every client's feedback.
Dolsi products have been sold all over the world. OEM production made for several famous brands. In the future, we will return the society with better products and service. Every client, thanks for your support and rely on us!
