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DCN23BOX
Active Amplifier Solution
Coolback II 600
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DCN23  DCN24 
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PA1CC  PA3CC  PA6CC  PA12CC
Power Supply Module
PSU DCN II 
PSU4SA 
AmpC trig  AmpC 
PSU4DB  PSU8DB  PSU12DB

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DIY Products

All Ground Sound products are designed and manufactured in Denmark
These products are assembled and tested to ensure the high quality and good function.

 

Active Amplifier Solution 


Coolback II600 in detail
Coolback II 600
  • Easy assembly kit with all parts
  • Black Anodized
  • Dimensions: 60cm x 18cm x 10cm
  • Weight: 14kg
  • DCN23 - 3-way Digital Crossover
  • PA1CC - Power Amplifier 100W
  • PA3CC - Power Amplifier 300W
  • PSU8SA - Power Supply
  • TR600 - Mains Transformer
  • Neutrik XLR 3-pole input
  • Neutrik USB adaptor
  • Neutrik PowerCon connector
  • Function Switch

 

 

 

 

Digital Crossover 


DCN23BOX in detail
DCN23BOX kit
  • Digital Crossover
  • 2 XLR inputs
  • 3(4) RCA outputs
  • High performance Burr-Brown converters
  • 24bit 96kHz 110dB S/N
  • Signal processing IIR
  • Total processing power: 48 biquads
  • Optical isolated USB PC-interface
  • 50mm x 232mm x 151mm
  • XOverWizard Software
  • or XOverWizard II Software

 

 

Digital Crossover Modules 


DCN23 in detail
DCN23 revision 2
  • Digital Crossover Network
  • 2 balanced analogue inputs
  • 3 single-ended analogue outputs
  • High performance Burr-Brown converters
  • 24bit 96kHz 108dB S/N
  • Signal processing IIR
  • Total processing power: 48 biquads
  • Optical isolated USB PC-interface
  • Auto Sensing output
  • Decoupling at all active components
  • Multilayer board for best performance
  • XOverWizard Software
  • or XOverWizard II Software

 

DCN24 in detail
DCN24
  • Digital Crossover Network
  • 2 balanced analogue inputs
  • 4 single-ended outputs
  • High performance Burr-Brown converters
  • 24bit 96kHz 108dB S/N
  • Signal processing IIR
  • Total processing power: 180 biquads
  • Optical isolated USB PC-interface
  • Auto Sensing output
  • Decoupling at all active components
  • Multilayer board for best performance
  • XOverWizard II Software

 

 

Power Amplifier Modules 


PA1CC in detail
PA1CC
  • Power Amplifier
  • Classical Class AB
  • Cascode coupled diff. input stage
  • 2 high speed bipolar output devices
  • 150W RMS max
  • 120dB S/N - 20,5dB gain
  • Short circuit protection
  • Thermal protection
  • Mute control
  • Unique heatsink profile for best heat transfer
  • Dual easy mounting option

 

PA3CC in detail
PA3CC revision 2
  • Power Amplifier
  • Classical Class AB
  • Cascode coupled diff. input stage
  • Cascode coupled voltage gain stage
  • 6 high speed bipolar output devices
  • 400W RMS max
  • 120dB S/N - 22dB gain
  • Short circuit protection
  • Thermal protection
  • Mute control
  • Unique heatsink profile for best heat transfer
  • Dual easy mounting option

 

PA6CC in detail
PA6CC
  • Power Amplifier
  • Classical Class AB
  • Cascode coupled diff. input stage
  • Cascode coupled voltage gain stage
  • 12 high speed bipolar output devices
  • 800W RMS max
  • 120dB S/N - 23,5dB gain
  • Short circuit protection
  • Thermal protection
  • Mute control
  • Unique heatsink profile for best heat transfer
  • Dual easy mounting option

 

PA12CC in detail
PA12CC
  • Power Amplifier
  • Classical Class AB
  • Cascode coupled diff. input stage
  • Cascode coupled voltage gain stage
  • 24 high speed bipolar output devices
  • 1500W RMS max
  • 120dB S/N - 23,5dB gain
  • Short circuit protection
  • Thermal protection
  • Mute control
  • Unique heatsink profile for best heat transfer

 

 

Power Supply Modules 


PSU4SA in detail
PSU4SA revision 2
  • Power Supply Unit
  • 4 capacitors
  • Softstart
  • Autosensing
  • Mute control output
  • ON-Standby-Auto switch
  • On-Standby LED
  • Linear regulated low voltage
  • Mains filter for low power section
  • Supplying DCN23 and power amps

 

AmpC in detail
AmpC trig
  • Amplifier Control Board
  • Softstart
  • Remote 12V trigger power ON
  • Mute control output
  • Power On LED output option
  • 10A max
  • Adaptation to transformer voltage
  • Easy connect to Ground Sound amp modules

 

AmpC in detail
AmpC
  • Amplifier Control Board
  • Softstart
  • Mute control output
  • 10A max
  • Adaptation to transformer voltage
  • Easy connect to Ground Sound amp modules
  • Optinal mute control with opto-coupler

 

PSU4DB in detail
PSU4DB
  • Power Supply Unit
  • 4 capacitors
  • Double bridge for reduced ground noise
  • 35A bridge rectifier for less power losses
  • Two bleeder resistors for failure safety
  • Application: High-End Stereo Amplifier

 

PSU8DB in detail
PSU8DB
  • Power Supply Unit
  • 8 capacitors
  • Double bridge for reduced ground noise
  • 35A bridge rectifier for less power losses
  • Two bleeder resistors for failure safety
  • Application: High-End Stereo Amplifier

 

PSU12DB in detail
PSU12DB
  • Power Supply Unit
  • 12 capacitors
  • Double bridge for reduced ground noise
  • 35A bridge rectifier for less power losses
  • Two bleeder resistors for failure safety
  • Application: High-End Stereo Amplifier

 

PSU DCN II in detail
PSU DCN II
  • Power Supply Unit
  • 230Vac or 115Vac mains voltage
  • Supplying one DCN23 or DCN24
  • Custom-made 10VA Transformer
  • Linear regulated 3,3V digital supply 150mA
  • Linear regulated 5V analog supply 150mA
  • Linear regulated +/- 15V op-amp supply 100mA
  • incl. relay board for DCN23/24 outputs
  • Delayed unmute by relays
  • Fast muting by relays
  • On LED

 

 

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