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PARK AUDIO DF DSP Series, Owner'S Manual

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PARK AUDIO DF DSP Series Owner'S Manual Download Page 5

3

DESIGN FEATURES

Physical Design

The amplifier is enclosed in a metal (steel) case of 88 mm (2U) height. The amplifier 

is designed to be standard  rack-mounted   (RACK 19").

Power Supply Unit

All four channel of the amplifier share the same pulse power supply unit.

Power Factor Correction (in DF2008

DSP

 only) 

The amplifier has power supply with Power Factor Correction, which significantly 

reduces load to the mains and also reduces noise and distortion in   the mains. What is 
more important, the amplifier output power is no longer rigorously dependent on the mains  
voltage.

The amplifier provides full power at the mains voltage from 160 V to 250 V (with no 

need to use of external AC voltage stabilizer).

Cooling System

The amplifier features a forced cooling system which is common for all four channels. 

The amplifier and the power supply unit are cooled with a single fan blowing front to rear. 
The cooling system provides for a double-step intensity-cooling rate switching. At a normal 
temperature, the fan runs at a low speed, thus generating the least noise possible. When 
the amplifier is set to deliver a high output power or when the ambient temperature is 
higher than normal, the cooling system may switch the fan to the other (higher) cooling 
rate.

Output Stage

The output stage of this digital power amplifier is designed according to Class D 

technology to deliver high efficiency and least heat. The high switching rate ensures the 
high sound quality comparable with the best analogue amplifiers.

Balanced Inputs

The use of balanced inputs provides for an essential reduction of the environment-

induced hum and noise interference with long input connecting cables.

Line Outputs

The  amplifier  line  outputs  are  parallel  to  the  inputs  (each  along  the  respective 

channel) and provide for parallel connection of several amplifiers with standard signal 
cables using  

XLR

 connectors. 

If necessary, the signal, processed by the 

DSP

, can be applied to the line outputs. 

This  mode  is  set  at  the  factory  or  by  the  customer  (manufacturer  get  corresponding 
instructions by e-mail: [email protected]).

DSP 

Built-in 

DSP

 accurately handles the audio signal due  to its functions of equalization, 

filtering, delay and limiter. Processor has 2 inputs and 4 outputs and provides free signal 
routing from any input to any output.

 

DSP

  enables  users  to  choose  between  eight  factory  preset  settings.  Preset 

parameters are listed on the insert in the 

Owner’s Manual

. 

Any  of  presets  can  be  modified,  using  a  computer  connected  via  USB  interface 

(software – 

SigmaStudio

 by 

Analog Devices

, 

Inc

.).  

Summary of Contents for DF DSP Series

Page 1: ...PROFESSIONAL FOUR CHANNEL SWITCHING POWER AMPLIFIER DF series with DSP DF2008DSP DF1 408 DSP DF2804 DSP DF1 404 DSP Owner s Manual R ...

Page 2: ...ACCESSORIES 1 Power Cord 1pc 2 Owner s Manual 1pc 3 Warranty 1pc ...

Page 3: ...connected to the unit in operation CAUTION The high sound pressure level of speaker systems generated by high output power delivered by the amplifier may be hazardous to your hearing Please take adequate safety precautions WARNING The amplifier yields high output power The manufacturer shall not be held responsible for any damage to the speakers caused by excessive power from the unit WARNING SIGN...

Page 4: ...h Any of presets can be modified using a computer connected via USB interface software SigmaStudio by Analog Devices Inc ATTENTION The DF1404DSP DF1408DSP DF2008DSP and DF2804DSP amplifiers have the same design and functional features and differ only in the schematics elements output power and weight Unless specified otherwise the word amplifier hereinafter applies to any of the above models To en...

Page 5: ... cooling system may switch the fan to the other higher cooling rate Output Stage The output stage of this digital power amplifier is designed according to Class D technology to deliver high efficiency and least heat The high switching rate ensures the high sound quality comparable with the best analogue amplifiers Balanced Inputs The use of balanced inputs provides for an essential reduction of th...

Page 6: ...t Templates SigmaStudio project template for amplifiers with DSP DF series Factory DSPPresets DSP preset settings description Limiter s Setting Calculations simple calculator Excel to calculate the parameters of the limiter DSPPRESET Switch The amplifier modes DSP presets can be switched by the DIP switch located on the rear panel Input LevelAttenuators These allow setting the amplifier to the req...

Page 7: ...indicators including the POWER LED go off too The amplifier can be restarted in 2 or 3 minutes by power off and power on the amplifier with the POWER switch If the DC is an occasional problem which is unlikely the amplifier goes on and resumes its normal operation If the DC output voltage is still present the protection system will again turn off the power supply Thermal Protection Independent for...

Page 8: ... 1 2 2 THROUGH THROUGH LEVEL CH1 CH2 BRIDGE CH 1 2 SPEAKER OUTPUTS CH2 DSP Out 0 In 0 Out 2 Out 1 In 1 Out 3 DSP PRESET 1 2 3 ON DIP Switch CH 3 CH 4 BRIDGE CH 3 4 CH 4 Ch 1 Ch 2 Ch3 Ch 4 CLIP Ch 4 CLIP Ch 3 CLIP Ch 2 CLIP Ch 1 CLIP Ch 2 Ch 3 Ch 4 USB Port USB Interface 6 ...

Page 9: ...for Channels 1 2 3 and 4 respectively They indicate overload condition causing distortion activation of DSPlimiter activation of thermal protection system which disables the respective channel the SIGNALLED goes off See Thermal Protection SIGNALLEDs indicating output signal on Channels 1 2 3 and 4 respectively LEVEL input sensitivity level attenuators for Channels 4 3 2 and 1 respectively POWER sw...

Page 10: ... 1 2 3 ON PUSH PUSH 1 2 4 3 5 6 7 8 9 10 11 REAR PANEL DSPPRESET the amplifier modes DIP switch SPEAKER OUTPUTS output SpeakOns used to connect to loudspeakers The signals applied to the output connectors and their polarity are shown on the rear panel of the amplifier MAINS IN power cord socket for 230VAC 50 60Hz grounded mains THROUGH line outputs XLR male Are used to send input signal along the ...

Page 11: ...ard Since the power applied to the loudspeaker is of primary concern in system design we have included the table below to allow you determine the appropriate wire gauge for your application Power Loss in a 10 meter Cable The table shows the percentage of the power loss in a 10 meter copper multiple core cable This table reflects the power loss as a percentage of the output power of the amplifier a...

Page 12: ...e use SpeakON NL4FC See the wiring on the figures below CAUTION Never attempt to jumper or otherwise link up any pins of output connectors 2 1 3 2 1 3 1 1 1 2 1 2 1 2 1 2 1 2 1 2 XLR male XLR female Cold Shield Ground Hot Cold Hot Shield Ground NL2FC for individual channel mode Output Output NL4FC or bridge mode only for Channels 1 3 connectors Output Output NL4FC for individual channel mode Outpu...

Page 13: ...DSP operates at the mains voltage range from 160V to 250V giving the full rated output power The amplifier is connected to the mains via cable supplied with the amplifier When connecting to mains make sure that no other devices with high power consumption are connected to it as the normal operation of several such devices may be impossible The actual AC current consumption depends on the audio sig...

Page 14: ...formed by personal computer with SigmaStudio editor installed to it Setting the high pass filter and crossover filter parameters EQ settings desired signal delay as well as a number of other parameters can be performed by the DSP engine as described in SigmaStudio User Manual For the consumer s convenience the amplifier has 8 presets which provides a number of the most frequently used switch confi...

Page 15: ...Pnom Total Harmonic Distorsion 0 05 20Hz 20kHz Slew Rate 20 40V µs channel bridge Damping Factor over 200 200Hz 8Ohm Channel Separation 60dB 1kHz Signal to Noise Ratio 95dB unweighted Input Impedance 10kOhm balanced Sensitivity 0 775V Maximum Input Level 2 45V 10dBu Power Requirements 230V 50 60Hz Weight DF1404DSP DF1408DSP 6 8kg DF2008DSP 7 4kg DF2804DSP 7 6kg Dimensions 482mm W 96mm H 462mm D Bu...

Page 16: ...OPERATING CONDITIONS Ambient Temperature 5 35 C Atmosphefic Pressure 86 6 106 7kPa 650 800mmHG Relative Humidity less than 80 14 ...

Page 17: ...445 max 482 466 DIMENSIONS 15 76 88 96 38 324 362 ...

Page 18: ... 1 2 3 ON PUSH PUSH 1 1 1 1 To Full Range Speakers To Input Signal Source Left Right To Full Range Speakers Right Right Left Left FULL RANGE Ch1 Input Speaker Outputs Ch2 Ch3 Ch4 Ch1 2 L Ch3 4 R Left Left Right Right Ch1 Ch 2 Ch 3 Ch 4 Speaker Outputs Function Full Range Routing Input Ch1 2 gain 0dB HPF Freq 35Hz HPF Type BTW 24dB oct Function Full Range Routing Input Ch1 2 gain 0dB HPF Freq 35Hz ...

Page 19: ...ER OUTPUTS 4 min 4 min 1 1 2 2 1 1 4 min 8 min 1 2 CH 4 CH 3 4 CH 4 min 4 min 1 1 2 2 1 1 4 min CH3 4 8 min 1 2 BRIDGE CH 1 2 BRIDGE MAINS IN RISK OF ELECTRIC SHOCK CAUTION DO NOT OPEN 1 2 3 ON PUSH PUSH 2 1 2 1 BRIDGE FULL RANGE Ch1 Ch2 Ch3 Ch4 Bridge Ch1 2 Input Speaker Outputs Ch1 2 L Ch3 4 R Left Right Speaker Outputs Function Bridge Full Range Routing Input Ch 3 4 gain 0dB HPF Freq 35Hz HPF T...

Page 20: ... 24dB oct Function Satellite Left Routing Input Ch1 2 gain 0dB HPF Freq 100 Hz HPF Type LR 24dB oct Input Ch1 2 L Ch3 4 R Function Bridge Subwoofer L R Routing Input Ch1 2 gain 0dB Input Ch 3 4 gain 0dB HPF Freq 35Hz HPF Type BTW 24dB oct LPF Freq 100 Hz LPF Type LR 24 dB oct 20 100 1k 10k 14 10 5 0 5 dB Hz Park Audio Made in Ukraine No Serial Preset 010 Right TO REDUCE THE RISK OF FIRE OR ELECTRI...

Page 21: ...4 min CH3 4 8 min 1 2 BRIDGE CH 1 2 BRIDGE MAINS IN RISK OF ELECTRIC SHOCK CAUTION DO NOT OPEN 1 2 3 ON PUSH PUSH 2 1 SUBWOOFER 2 SATELLITE 1 1 Right Bridge Ch1 2 Speaker Outputs Ch2 Ch3 Ch4 Sub Sat L Sat R Input Ch1 2 L Ch3 4 R Speaker Outputs Function Satellite Right Routing Input Ch3 4 gain 0dB HPF Freq 125 Hz HPF Type LR 24dB oct Function Satellite Left Routing Input Ch1 2 gain 0dB HPF Freq 12...

Page 22: ...SH PUSH 1 1 1 1 To Subwoofer To Input Signal Source Left Right Right Right Left Left 2 S UB 2 SAT 100 Hz To Satellite To Subwoofer To Satellite Ch1 Input Speaker Outputs Ch2 Ch3 Ch4 Ch1 2 L Ch3 4 R Sub L Sat L Sub R Sat R Ch1 Ch2 Ch3 Ch4 Speaker Outputs Function Subwoofer Left Routing Input Ch1 2 gain 3dB HPF Freq 35Hz HPF Type BTW 24dB oct LPF Freq 100 Hz LPF Type LR 24dB oct Function Satellite L...

Page 23: ...PUSH PUSH 1 1 1 1 To Subwoofer To Input Signal Source Left Right Right Right Left Left To Satellite To Subwoofer To Satellite 2 S UB 2 SAT 125 Hz Ch1 Input Speaker Outputs Ch 2 Ch3 Ch 4 Ch1 2 L Ch3 4 R Sub L Sat L Sub R Sat R Ch1 Ch2 Ch3 Ch4 Speaker Outputs Function Subwoofer Left Routing Input Ch1 2 gain 3dB HPF Freq 35Hz HPF Type BTW 24dB oct LPF Freq 125 Hz LPF Type LR 24dB oct Function Satelli...

Page 24: ... CH 4 CH 3 4 CH 4 min 4 min 1 1 2 2 1 1 4 min CH3 4 8 min 1 2 BRIDGE CH 1 2 BRIDGE MAINS IN RISK OF ELECTRIC SHOCK CAUTION DO NOT OPEN 1 2 3 ON PUSH PUSH 2 1 2 1 BRIDGE SUBWOOFER Ch1 Ch 2 Ch 3 Ch 4 Bridge Ch1 2 Input Speaker Outputs Ch1 2 L Ch3 4 R Left Right Speaker Outputs Function Bridge Subwoofer Routing Input Ch3 4 gain 3dB HPF Freq 35Hz HPF Type BTW 24dB oct LPF Freq 100 Hz LPF Type LR 24dB ...

Page 25: ...OCK CAUTION DO NOT OPEN 1 2 3 ON PUSH PUSH 1 1 To Subwoofer To Input Signal Source To Satellite High Mid 3 Way 2 1 Bridge Ch1 2 Input Speaker Outputs Ch2 Ch3 Ch4 Ch1 2 Sub Lo Sat Mid Sat Hi Ch1 Ch 2 Ch 3 Ch 4 Speaker Outputs Function Satellite High Band Routing Input Ch1 2 gain 0 dB HPF Freq 1200 Hz HPF Type LR 24dB oct Function Bridge Subwoofer Routing Input Ch1 2 gain 3dB HPF Freq 35Hz HPF Type ...

Page 26: ...PARK AUDIO II Ltd Vinnytsia Ukraine www parkaudio ua e mail park parkaudio ua R ...

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