| Analog input | 4 x XLR balanced |
| Analog output | 8 x XLR balanced |
| Minimum load | 150 ohm |
| THD + N is distorted | 0.001% at 1kHz 0dBu |
| S / N signal to noise ratio | >100dBA |
| Frequency response | 20Hz – 20kHz; -0.5dBu at 20Hz and 20kHz |
| AD & DA conversion | CS42528 24 bit -48kHz |
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| DSP processing |
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| DSP processing | MARANI M716, 24x32 bit filter processing, 96-bit precision intermediate data operation results |
| Parametric equalizer | There are 30 filters on the input |
| There are seven filters on the output | |
| Filter type | Bell, high / low snow, high / low pass, bandpass, notch and all-pass filter |
| Filter gain | The range is: -15dBu ~ + 15dBu, step precision: 0.5dBu |
| Input & output gain | The range is: -18dB ~ + 12dB, step precision: 0.1dB |
| Center frequency | In the 20Hz ~ 20kHz frequency range to 1Hz step accuracy can be adjusted |
| Filter Q ＆#118alue / broadband | Snow, high / low pass filter Q: 0.1 ~ 5.1; |
| Bell filter Q ＆#118alue: 0.4 ~ 128; | |
| Bandpass, notch, all-pass filter Q: 4 ~ 104 | |
| High and low pass filter | Butterworth Slope: 6/12/18 / 24dB / Oct |
| Bessel slope: 12/24 / 48Db / Oct | |
| Linquets - Rayleigh: 12/24 / 48dB / Oct | |
| Enter the noise gate | Threshold range: -80dBu ~ -50dBu; |
| Start control time: 1ms ~ 1000ms; | |
| Release time: 10ms ~ 1000ms | |
| Enter the RMS limit | Threshold range: -14dBu ~ + 16dBu, bypass optional |
| Adjustable ratio 2: 1 ~ 32: 1; inflection point range: 0% ~ 100%; supply range: -12dB ~ +12 dB | |
| Start time: 5ms ~ 200ms; | |
| Release time: 0.1 sec ~ 3 sec | |
| Output peak pressure limit | Threshold range: -14dBu ~ + 16dBu, bypass optional |
| Start time: 1ms ~ 900ms; | |
| Release time: 0.1 sec ~ 5 sec | |
| Input / Output Channel Polarity | Positive (0 °) / negative (180 °) optional |
| The input / output channels are muted | ON / OFF optional |
| Delay | Each input channel has up to 420.998 ms delay adjustable |
| Each output channel has up to 128.998 ms delay adjustable |
D&E DPA 480
Preset parameters
User defaults 24
Front panel
2x24 character LCD display
Input 7 lights display [-20dBu to +15 dBu; clipping]
Output 7 lamp display [-15dBu to + 15dBu; clipping; limit], the output lamp can be used to display the output level or display pressure limit
Blue LED (Edit) Displays the status of each channel
The red LED (mute) shows the status of each channel
NAV / PM1, PM2, PM3 are rotary switches to select the menu switch
ENTER, ESC, UTILITY is the push-button potentiometer entry / exit / application switch
EDIT / MUTE button can be individually controlled to edit each channel
Type B USB interface
Rear panel
4 x XLR female connector (input)
8 x XLR male connector (output)
2 x RS485 connector
1 x Ground / Suspend the toggle switch
IEC C13 16A power socket; boat power switch
AC power supply
Applicable power: 90-240VAC (50 / 60Hz) - 40W
size
19" x 1.75" x 9" (482 x 44 x 229 mm) 1RU
Net / gross weight
7.71 lbs (3.5kg)/ 8.82 lb(4kg)