DD420F
Networking Power Amplifier
The DD series is a series of network configured Class D amplifiers, designed for high-end conference, entertainment and
touring. They support Lo-Z and Hi-Z output, built in switch, supporting UDP protocol. They are mainly used for high-end
conference, entertainment and touring with excellent sound quality
DSP Functions:
1. Delay of each channel: 100ms(input ), 20ms(output ),0.01ms step.
2. 4*4 audio routing mixing, mixing ratio -80dB~+18dB
3. LPF/HPF/8 band PEQ for input, LPF/HPF/8 band PEQ for output.
4. 512 taps FIR filter.
5. Volume, Mute, Invert, Mode set.
6. Peak limiter, RMS limiter.
7. Save/Recall/Import/Export.
8. Speaker parameter configuration and saving.
9. Software permissions:User,Debug,factory
1U rack mountable
High performance DSP with LCD Screen.
90V~260V AC power input
Quiet temperature-controlled fan.
Lo-Z mode (2 ~ 16 ?), Hi-Z mode (100V or 70V)
Modular design, easy to maintain
|
8Ω/ Stereo |
4*650W |
|
4Ω/ Stereo |
4*1100W |
|
2Ω/ Stereo |
4*1870W |
|
16Ω/ Bridge |
2*1300W |
|
8Ω/ Bridge |
2×2200W |
|
4Ω/ Bridge |
2×3740W |
|
70V Hi-Z |
4×1100W |
|
Output RMS voltage (THD=1%,1kHz) |
72.1V |
|
Default Gain(Rated Power,1kHz) |
19dB~37dB |
|
THD+N |
0.05% (10% rated power, typical) |
|
Frequency Response typical: |
+0 dB, -0.5dB （10% rated power,20Hz-20kHz,8Ω) |
|
Input impedance |
20kΩ（balance) ，10kΩ（unbalance) |
|
Damp factor |
≥1000（8Ω，20Hz~200Hz） |
|
SNR (Default Gain, A weighted,20Hz-20kHz,8Ω) |
≥105dB |
|
Main power |
90~260VAC，50~60 Hz |
|
Protection： |
Under voltage, DC, Over temperature, Over load limiter, Short protection |
|
Size(W×H×D) |
483×45×370 mm |
|
Net Weight |
9kg |
