Dolsi Audio Equipment Co., Ltd
| Payment Terms | T/T |
| Supply Ability | 2500 PIECE / MONTH |
| Packaging Details | 1 piece per paper carton |
| Delivery Time | 3-5 days for sample order, 10-30 days for large bulk order |
| Category | SMPS power amplifier |
| channel | 2 channel and 4 channel |
| Metal Material | Metal case, aluminium front panel |
| color | both black or silver white are available |
| Height | 2U |
| Weight | 7.8-8.5kg |
| Output power | RMS 400W to 1200W per channel at 8 ohm |
| Brand Name | DOLSI |
| Model Number | AP SERIES |
| Certification | CE,CB,CCC |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Supply Ability | 2500 PIECE / MONTH |
| Packaging Details | 1 piece per paper carton | Delivery Time | 3-5 days for sample order, 10-30 days for large bulk order |
| Category | SMPS power amplifier | channel | 2 channel and 4 channel |
| Metal Material | Metal case, aluminium front panel | color | both black or silver white are available |
| Height | 2U | Weight | 7.8-8.5kg |
| Output power | RMS 400W to 1200W per channel at 8 ohm | Brand Name | DOLSI |
| Model Number | AP SERIES | Certification | CE,CB,CCC |
| Place of Origin | CHINA |
2 Channel
Switching Mode Power Supply (SMPS) power amplifier DTA series
> Full bridge (SMPS) switching mode power supply with high efficiency.
> Very light in weight (7- 8kg/piece), very easy to carry and install.
> High stabliity.
> Bright and clear sound effect.
SPECIFICATIONS
| Model No. | DTA2.5 | DTA2.6 | DTA2.8 |
| Output power at 4 ohm stereo 1kHz(HIA) with0.5% THD (per channel) | 750Wx2 | 1000Wx2 | 1200Wx2 |
| Output power at 8 ohm stereo 1kHz(HIA) with0.5% THD (per channel) | 400Wx2 | 600Wx2 | 800Wx2 |
| Output power at 8 ohm 1kHz(HIA)with0.5% THD 8ohm bridge mono | 1800W | 1900W | 2250W |
| Voltage Gain | 32.8dB | 32.8dB | 35dB |
| 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 | 20K ohm | ||
| Non-balanced | 10K 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 | ||
4 Channel
Switching Mode Power Supply (SMPS) power amplifier DTA series
> 4x400W to 4x1200W at 8 ohm
> Full bridge (SMPS) switching mode power supply with high efficiency.
> Very light in weight- 8kg. Easy to carry and install.
> High stabliity.
> Bright and clear sound effect.
SPECIFICATIONS
| Model No. | DTA 4.5 | DTA 4.6 | DTA4.8 | DTA 4.12 | |||
| Output power at 4 ohm stereo 1kHz(HIA) with0.5% THD (per channel) | 700Wx4 | 1000Wx4 | 1200Wx4 | 1400Wx4 | |||
| Output power at 8 ohm stereo 1kHz(HIA) with0.5% THD (per channel) | 400Wx4 | 600Wx4 | 800Wx4 | 1200Wx4 | |||
| Output power at 8 ohm 1kHz(HIA)with0.5% THD 8ohm bridge mono | 1100Wx4 | 1800Wx4 | 2300Wx4 | 2700Wx4 | |||
| Voltage Gain | 33dB | 35dB | 35.8dB | 35.8dB | |||
| 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 | 20K ohm | ||||||
| Non-balanced | 10K 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 | 8.20Kg | ||||||
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:
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2004
Employee Number:
50~100
Ecer Certification：
Site Member
Our logo DOLSI, the pronunciation is similar with 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 production... Our logo DOLSI, the pronunciation is similar with 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 production...
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