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Amp Modules

20 domande
Can you indicate me how many 3004PFC4 amplifiers can be connected in daisy chain through PowerCON?

Using Line @ 16A

N° 4 @ 230V N° 2 @ 115V

Using Line @ 32A

N° 8 @ 230V N° 4 @ 115V

How can i download the ProManager licence for the access?
20160215-FAQ09-License

You can download your license directly from the “OEM Manufacturer Registration” page.

  1. Go to the OEM Manufacturer Registration page following this link http://armoniaproman.powersoft.it/
  2. Log in using your account and password
  3. You’ll see your data and, if the Powersoft staff has confirmed your registration, it will be possible to download your license. So, click the button in order to start the download.
  4. Since you have got the license, copy it in the folder that you can find following this path C:\Powersfot\Armonía ProManager\Settings\Licence
  5. Try again to open ProManager, it should open without any request.
What might be the consequences in terms of limiter settings, if a manufacturer were to establish an input/output gain, selecting a DigiMod 38 dB with the 32 dB jumper in place? How do they work the scale factors for DSP-4?

When you choose a wrong amp model as connected (so, for example, DigiMod 1000 rather DigiMod 2000HV) the different scale factors provide a wrong meters measurements and a wrong limiters behavior.

These scale factors are: current scale factor for the current reading, voltage scale factor for the voltage reading, output scale factor to obtain a gain consistent with the amplifier gain response, temperature scale factor for the temperature reading and finally, “output capacitor value” for the improving of the current reading (in some amplifiers, there is an output capacitor that makes difficult the current reading, so setting this scale factor we can give a virtual capacitor that removes the capacitor value that pollutes the reading)

The last setting regards the “active channel”. This one is used to make compatible the IpalMod and M-Drive with DSP-4, because they have only one output channel, without this selection the DSP-4 “sees” the IpalMod and M-Drive always in protection state.

In this case, if you select DigiMod 3004 38dB for a DigiMod 3004 32dB (really connected), the only difference will be the gain response: DSP-4 applies +6dB in input to the amplifier and so with a sine signal @ 1Vrms in input, the voltage and current response will be different than uses a right gain setting selected. Anyway, the limiter should work well because the other scale factors are the same for both type of amp module, so it will be like increasing the DSP-4 input sensitivity.

How can I modify the D-Cell504 flat cable in order to connect two XLR connectors for each channel?

Following the schematic you can do what you need. Anyway is strictly recommended to use this kind of cable only for the amp evaluation.

We used 32bit OS and therefore the 32bit Sigma Studio. I’ve changed my operating system to 64bit and the 64bit Sigma Studio software works, but it can’t read the “old” 32bit setups. Why isn’t it possible?

The preset templates that you build with a x86 release of SigmaStudio, are not compatible with X64 release because the instructions set is different. We recommend using one system dedicated to the programming with 32bit O.S., stable and functioning. You don’t need a powerful PC for the DSP programming, for example with the last O.S. or with the best processor, but is important that you have a system that never stops.

How can I balance the DSP outputs ch3-ch4?

It’ possible to do a balancing circuit using one NE5532D for each output channel. If you would like to manage the outputs independently, you could add a potentiometer before the 10Kohm resistor. Following this circuit, we’ll have a good balancing with low distortion level (not measurable) and the best S/N ratio.

Is there a way to monitor the load impedance connected on DigiMod?

The only way to monitor the load impedance on DigiMod is using Armonía Software, you will need of a converter UART/RS485 called ProNet485 that allows doing the remote managing.

D-Cell504 has the Load Impedance Measurable that would give the possibility of monitoring each separate channel. Is this feature applicable in Bridge Mode also? If yes, which are the connector pins to use?

There aren’t pins that allow the load impedance monitoring for the speakers connected in bridge mode, but you can get the singles values for each channel and summing these it will obtain a single one, doing so you will get the load impedance in bridge mode.

Is DSP mounted in a DigiMod IS different by the DSP provided in the D-Cell504 DSP IS? Is it possible to exchange them?

The DSP-C and DSP-D are external boards mounted on DigiMod IS or provided with the integration kit, in the D-Cell504 DSP, this one resides within. You can’t use the DSP-C/DSP-D even for D-Cell.

What do they mean the led on control-board plus of DigiMod Series?

Left side / right side:  there are two yellow LEDs indicate the signal presence.

Top center (going from left to right): there are 5 leds indicate respectively:

Protection: Led is lit becoming red when the protection is activated in the output 1 (for example when the output is in short circuit)

The presence of +5, this is a green led, it’s normally lit when the module is on.

The presence of +12, this is a green led, it’s normally lit when the module is on

The presence of -12, this is a green led, it’s normally lit when the module is on.

Protection: Led is lit becoming red when the protection is activated in the output 2

Can I put in parallel both outputs of the D-Cell504 without problems in order to rise lower minimum loudspeaker impedance to 2 Ohms?

This is a not recommended practice that increases the damage risk. The two output channels of amp module are not equal perfectly (one is inverted respect the other) and the signal in output, even if the input signal is the same for each amp module, will be processed differently. In our amps modules the minimum load impedance is always 4ohm and not is possibile to have a lower load impedance.

What do they mean the led on mainboard of DigiMod 3000 PFC?

Top-left side:  there are three green LEDs (except the one in the middle, that is yellow). They indicate respectively (from left to right):

The presence of +18, this led is normally lit when the module is on.

If the Energy Save mode is on, this led is normally lit when the module is on (Energy Save is enabled as default).

The presence of +VCC

These leds must be normally lit when the module is on.

Top-right side:  there are three green LEDs indicate respectively (from left to right):

The presence of -VCC,

The presence of +7VDC

The presence of -18

These leds must be normally lit when the module is on.

Bottom left side:  there is one yellow LED that is lit when the fan is activated

In D-Cell504 4ch module the fan in the center doesn’t work even if board is hot, is that normal?

Yes, it’s a normal behavior because the fan starts to run when the module temperature is approximately 60°. It’s strange only if the module exceeds this value and the fan doesn’t start. Anyway, the module goes in thermal protection when the temperature value exceeds approximately 75° reducing the signal output.

How can I set the DigiMod in order to use it @ 110V?

See the picture and follow these steps:

  • Insert the jumper in the phoenix 2 poles connector called F1 (that is in the right side of the amplifier).
  • Connect the mains (120v) in the phoenix connector CN1 (in the left side of the amplifier)
I would like to replace the DigiMod’s fan, what is its NPN?

DigiMod mounts an ADDA fan with wiring included, manufactured by our supplier. You can buy the fan only without wiring and so connect the molex following the pin-out like the original fan.

Search NPN: AD0824UB-D90(T)

Regarding DigiMod 3000 PFC, What is the current consumption for the 2 units working together?

∼7,6A @ 115V

∼4A @ 130V

∼4A @ 230V

I have an amp module set at 230Vac. As soon as I turn it, supplying 230Vac, the fan starts to run for few seconds. If I leave the amp module, set at 230Vac supplying it with 125Vac, the fan starts to run at low speed, without stop itself. Is there an explanation?

When DigiMod is turned on, fan starts to run for few seconds, then the fan will start to run again only after that the limit threshold temperature will be exceeded and so the fan will provide to cool the amplifier. When you supply 230Vac in a DigiMod set at 230Vac, the fan’s behavior is normal as described in the question. Instead, if you supply 125Vac in DigiMod set at 230Vac, the module’s power supply tries to start all process, but the voltage is lower than those needed. In this case, the microprocessor attempts to start himself (so does run the fan), then due to the absorption caused by the starting attempt, DigiMod reaches the voltage value that triggers the protection called “undervoltage”. This behavior becomes a sort of loop because the amp module attempts to start working but it fails, so it tries again and again. For this reason, the fan seems to move constantly, but this is due to its mechanical inertia.

How should I connect the signal input to D-Cell504, without input interface, if I would like to use it in Mono input configuration?

If you use D-Cell504 in Mono Input configuration, you must connect the input to channel 1 and channel 2 in parallel following these instructions:

1) Connect the input signal to input channel 2 in CN1 connector:

N2- to PIN4

N2+ to PIN5

GND to PIN6

2) Connect the input channel 2 in parallel with input channel 1 in the same CN1 connector:

PIN5 to PIN22

PIN4 to PIN23

PIN6 to PIN21

BY1 in/out and BY2 in/out are the pins of input and output to connect an external potentiometer to control the input channel or even to add something like an analog HP Filter or pad attenuator. If you don’t want to add any kind of processing in input, please connect together these pins:

PIN7 to PIN8

PIN19 to PIN20

How should I connect the micro-match connectors from the input interface to the DSP-D/C board?

The pictures here below, explain how to connect the micro-match connectors. You can take as reference the type of socket to decide how to pose the micro-match: one flat cable has two micro-match connectors for a total of 26 poles, the other one has only a 20 poles micro-match connector. Please make attention to the red wire in the flat cables, this is used to define what is the first pin.

What is the difference between Lite and Pro Programming Board?

Lite Programming board  allows you to store one preset at time with SigmaStudio connected by USB port. It’s needed to have a “link compile download” command and then press the store button to save the preset just compiled, in the preset slot selected by the amp module input interface.

Pro Programming board  has been thought for the mass-production, in facts it allows you to store an entire bundle of 4 presets, obtained from a sort of “master loudspeaker”. As the Lite Programming Board, the Pro type allows you to store one preset at a time in the DSP of the loudspeaker that we’ll consider as the “master”; always using the PC to have a “link compile download” command by SigmaStudio. In addition than the capabilities in common with Lite Programming Board, the Pro type allows you to store inside its EEPROM memory, all 4 presets just stored in the “master” loudspeaker, in order to save this complete bundle in each loudspeaker that we want to initialize. This task is possible without any PC connection and supply (the amp module takes care to power the Pro Programming Board).

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