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User manual for Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR
- Manufacturer: Marani
- Basic description and contents of package
- Product classification: Pro Audio - Installation Sound - System Processors
- Safety instructions
- Startup and operation of the system processors
- Tips for setting up your Marani
- Settings and expert assistance
- Contact Marani service
- Troubleshooting
- Warranty information
- Price: 799 USD
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User manual for the Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR
The user manual for the Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR provides
necessary instructions for the proper use of the product Pro Audio - Installation Sound - System Processors.
The DPA4448Q-R Input / Output Speaker Processor from Marani features 4 input levels displayed by rows of 6-level LEDs and 1 clip LED, and 4 output levels displayed by rows of 5-level LEDs, 1 clip LED, and 1 limiter LED. This unit has 4 analog inputs, a stereo digital input, and 4 analog outputs. Each input has 5 filters and each output has 5 parametric filters. Both input and output filters can be selected to be Bell, 1st / 2nd Ord shelvings with -3 dB at cutting frequency, symmetrical shelving with variable Q, Hp / Lp with variable Q, and 1st/2nd Ord. It also has an all pass (90 / 180° phase rotation at the cutting frequency), bandpass, and notch. The outputs X-Over section has Butterworth, Lin / Reyl, and Bessel filters up to 48 dB/Oct, or custom selectable Hp / Lp with up to 48 dB/Oct with the cascaded Iind Ord cells adjustable in frequency, a Q. RMS compressor with selectable ratio up to 32:1, and an adjustable soft / hard knee.
The Output peak limiter with THR in Vp or dBu serves for loudspeakers’ protection. The RMS compressor and Peak Limiter's THR can range up to -30 dBu. Each input and output channel have delays up to 850 ms, with steps of 22 µs. Linking functions between inputs and linking functions between outputs are available. The functions allow having ramps close the output level on parameter changes, when the processor is used as an installation unit. This function can be excluded when the unit is used live and it is necessary to perform small changes to the set parameter on the fly. The Pc software for the included remote control allows connecting in net up to 32 units and shows the phase of the filter setting in order to graphically adjust the RMS compressor and the peak limiter.
The DPA4448Q-R processor can be remotely controlled via a PC. While a single unit can be remotely controlled through a USB interface, multiple units can be controlled through a RS485 interface.
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If you own a Marani system processors and have a user manual in electronic form,
you can upload it to this website using the link on the right side of the screen.
You can upload and download the manual for the Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR in the following formats:
- *.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
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Additional parameters of the Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR:
| Inputs | 4 x Input
XLR balanced | | Outputs | 4 x Output
XLR balanced | | Load | Minimum: 150 Ω | | User Memory | 24 | | Memory | Recall: 24 | | VU Meter | 7 LEDs for inputs (-20 to +15 dBu; clip)
7 LEDs for outputs (-20 to +15 dBu; clip; limit)
Output LEDs can be used for displaying the output level or limiter activity | | THD + N | 0.001% at 1 kHz, 0 dBu | | S/N | >110 dB | | Frequency Response | 20 Hz to 20 kHz ; -0.5 dBu at 20 Hz and 20 kHz | | Resolution | A/D & D/A: 24-bit
Process Resolution: 24- x 32-bit for filtering process; 96-bit resolution on intermediate computation results | | Display | Graphic 2 x 20 characters | | Size | 19" (482.6 mm) x (1U) | | Process | Up to 24 dBu/Oct HP / LP, ±15 dB gain bell and shelving filters, RMS compressor / limiter
[Attack time from 5 to 200 ms (1 ms resolution up to 20 ms, then 10 ms resolution up to 100 ms, and 20 ms resolution up to 200 ms), release time from 0.1 to 3 sec (0.1 sec resolution)], delay on inputs and outputs up to 848.998 ms with 21 µs increment steps | | Limiter Threshold Range | From 20 to -10 dBu | | Attack Time | Attack time from 5 to 200 ms (1 ms resolution up to 20 ms, then 10 ms resolution up to 100 ms, and 20 ms resolution up to 200 ms) | | Release Time | Release time from 0.1 to 3 sec (0.1 sec resolution) | | Filter | Frequency (HPF): From 1st order (Butterworth -6 dB/Oct) up to 4th Order (Butterworth, Linkwitz, or Bessel -24 dB/Oct)
Frequency (LPF): From 1st order (Butterworth -6 dB/Oct) up to 4th Order (Butterworth, Linkwitz, or Bessel -24 dB/Oct) | | Setting | Filter's Setting Step: 1/24th of octave | | Delay | Maximum: 848.998 ms by 21µs increment / decrement step, on each input and output channel | | S/PDIF | Input Gain (Digital): 0 dBu on RCA connector | | Equalization | Parametric Equalization:
5 filters on each input assignable as bell or shelving
7 filters on each output assignable as bell or shelving | | Filters | Symmetrical bell or high / low shelving up to second order
Filter Gain: For bell & shelving the gain is ranging from -15 to +15 dBu by 0.5 dBu resolution steps
Filter Q/BW: Q from 0.05 up to 3 by 0.05 resolution steps | | Center Frequency | Selectable with a 1/24th of octave resolution steps from 20 Hz to 20 kHz | |
The user manual for the Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR can be downloaded in .pdf
format if it did not come with your new system processors, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other Marani users keep a unique electronic library
for Marani system processorss,
where you can use our link to download the user manual for the Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR.
The user manual lists all of the functions of the Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR,
all the basic and advanced features and tells you how to use the system processors.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from Marani service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the Marani DPA4448Q-R 4 x 4 Input / Output Speaker DPA4448QR. User manuals are also
available on the Marani website under Pro Audio - Installation Sound - System Processors.
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