Ground Sound

Development is essential to all companies and also to Ground Sound. The new products developed by Ground Sound are all based upon the "old" discontinued products. Below you can find the discontinued products and the technical manuals. The discontinued are still very high quality products and will work for years to come.

Digital Crossover / Digital Pre-amplifier

DCN28 * Discontinued

Digital Crossover / Pre-Amplifier
4 Digital Inputs (AES3-Coaxial-Optical)
2 Balanced Stereo Analogue Input
1 USB Audio Soundcard Input
Digital controlled analogue attenuation
4-way stereo true balanced outputs
Digital PCM signal 32kHz-192kHz
ADC DAC - 24bit 96kHz
Included XOverWizard II advanced
Included IR remote
Big Dimmerble Dot Matrix display
All in one Encoder Button
4 Power Amplifier trigger outputs

Active Amplifier Solution


	*Coolback 800 Discontinued** Easy assembly kit with all parts Black Anodized Dimensions: 65cm x 20cm x 10+4cm Weight: app. 16 kg DCN14 - 4-way Digital Crossover 2 x PA1CC - Power Amplifier 100W 2 x HPA1K - Power Amplifier 600W PSU8AGS - Power Supply 800VA - Mains Transformer Neutrik XLR 3-pole input USB programming connector IEC Mains connector Function Switch

	*Coolback SUB Discontinued** Easy assembly kit with all parts Black Anodized Dimensions: 65cm x 20cm x 10+4cm Weight: app. 14 kg DCN22 - 2-way Digital Crossover HPA2K - Power Amplifier 2000W PSU8AGS - Power Supply 600VA - Mains Transformer Neutrik XLR 3-pole input USB programming connector IEC Mains connector Function Switch

	*Coolback 500 Discontinued** Easy assembly kit with all parts Black Anodized Dimensions: 60cm x 16cm x 11+4cm Weight: 10kg DCN14 - 4-way Digital Crossover PA1CC - Power Amplifier 100W PA3CC - Power Amplifier 300W PSU6AGS - Power Supply 500VA - Mains Transformer - 230Vac Neutrik XLR 3-pole input USB programming connector IEC Mains connector Function Switch

	*Coolback II 300 Discontinued** Black Anodized Dimensions: 58cm x 16cm x 10+4cm Weight: 9kg DCN23 - 3-way Digital Crossover PA1CC - Power Amplifier 100W PA3CC - Power Amplifier 300W PSU4SA - Power Supply 300VA - Mains Transformer Neutrik XLR 3-pole input Neutrik USB adaptor IEC Mains connector Function Switch

	*Coolback 600_2014 Discontinued** Black Anodized Dimensions: 55cm x 25cm x 10+4cm Weight: 15kg DCN23 - 3-way Digital Crossover PA3CC - Power Amplifier 300W PSU12SA - Power Supply 550VA - Mains Transformer Neutrik XLR 3-pole input Neutrik USB adaptor IEC Mains connector Function Switch

	*Coolback II 600 Discontinued** 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 IEC Mains connector Function Switch

	*Coolback 300 Discontinued** 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 IEC Mains connector Function Switch

	*Coolback 600 Discontinued** Easy assembly kit with all parts Black Anodized Dimensions: 100cm x 22cm x 10cm Weight: 14kg DCN23 - 3-way Digital Crossover PA1CC - Power Amplifier 100W PA3CC - Power Amplifier 300W PSU12SA - Power Supply TR600 - Mains Transformer Neutrik XLR 3-pole input Neutrik USB adaptor Neutrik PowerCon Mains connector Function Switch

H-Amp-XXXV * Discontinued

Class H Power Amplifier
2 x 650W @ 8 Ω
2 x 1200W @ 4 Ω
2 x +2kW @ 2 Ω (peak)
120dB S/N
10Hz-50kHz
2 x 3-pol Neutrik XLR input
2 x 4-pol Neutrik NLT SpeakOn output
Front mounted Power Switch
12Vdc Remote ON/OFF
Mains IEC 230Vac / 50Hz
Dimensions: 270 x 350 x 450mm
Weight 45kg

	*Chassis 600 Discontinued** Easy assembly kit with all parts Black Anodized Dimensions: 58cm x 16cm x 10+4cm Weight: --kg DCN23 - 3-way Digital Crossover PA1CC - Power Amplifier 100W PA3CC - Power Amplifier 300W PSU4SA - Power Supply 300VA - Mains Transformer Neutrik XLR 3-pole input Neutrik USB adaptor IEC Mains connector Function Switch

Chassis 1500 * Discontinued

Easy assembly kit with all parts
Black Anodized
Dimensions: 65cm x 20cm x 11+4cm
Weight: --kg
DCN14 - 4-way Digital Crossover
PA1CC - Power Amplifier 100W
PA3CC - Power Amplifier 300W
HPA1K - Power Amplifier 600W
PSU8AGS - Power Supply
800VA - Mains Transformer
Neutrik XLR 3-pole input
USB programming connector
IEC Mains connector
Function Switch

Digital Crossover Modules

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

	*DCN24 Discontinued** 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

	*DCN24RPC Discontinued** Digital Crossover Network 2 balanced analogue inputs 4 single-ended outputs High performance TI converters 24bit 96kHz 108dB S/N 2 Input Processing Presets Signal processing IIR Total processing power: 180 biquads Optical isolated USB PC-interface Decoupling at all active components Multilayer board for best performance XOverWizard II Software

Digital Crossover

DCN23BOX kit * Discontinued

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

Power Amplifier Modules

	PA1CC - Not sold separately 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 revision 2 - Not sold separately 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 - Not sold separately 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 - Not sold separately 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

	HPA1K - Not sold separately Power Amplifier Classical Class H Cascode coupled diff. input stage Cascode coupled voltage gain stage 4 high speed bipolar output devices 1kW+ max output power 120dB S/N - 23,5dB gain Short circuit protection Thermal protection Mute control Unique heatsink profile for best heat transfer

	HPA2K - Not sold separately Power Amplifier Classical Class H Cascode coupled diff. input stage Cascode coupled voltage gain stage 8 high speed bipolar output devices 2kW+ max output power 120dB S/N - 26,5dB gain Short circuit protection Thermal protection Mute control Unique heatsink profile for best heat transfer

Power Supply Modules

	PSU4SA revision 2 * Discontinued 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

	PSU12SA revision 3 * Discontinued Power Supply Unit 230Vac or 115Vac mains voltage 12 capacitors Custom-made 10VA Transformer Softstart Autosensing Mute control output ON-Standby-Auto switch On-Standby LED Linear regulated low voltage Mains filter for low power section Supplying DCN23/DCN24 and power amps

	*PSU4DB Discontinued** 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 Discontinued** 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 Discontinued** 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

	AmpC trig - Not sold separately 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 - Not sold separately 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

	PSU8AGS - Not sold separately Power Supply Unit Application: High-End Active Amplifier 8 pcs. Audio Grade Electrolytic Capacitors Power supply for PA1CC, PA3CC, HPA1K and HPA2K Power supply for DCN14 or DCN22 Auto Sensing & Operation Switch Soft Start circuitry

	PSU8H - Not sold separately Power Supply Unit 8 capacitors 35A bridge rectifier for less power losses Two/four bleeder resistors for failure safety Application: High-End Stereo Amplifier

	PSU16H - Not sold separately Power Supply Unit 16 capacitors 35A bridge rectifier for less power losses Two/four bleeder resistors for failure safety Application: High-End Stereo Amplifier

	*PSU DCN II Discontinued 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

Transformers

	*TR300VA Discontinued** Toroidal transformer Silent Design 230-240V/50-60Hz 2 x 35V 300VA Centerpotted Mounting hole 8mm 3kg Dim. 110mm (dia.) x 65mm

	*TR550VA Discontinued** Toroidal transformer Silent Design 230-240V/50-60Hz 2 x 50V 550VA Centerpotted Mounting hole 8mm 5kg Dim. 130mm (dia.) x 70mm

	*TR600VA Discontinued** Toroidal transformer Silent Design 230-240V/50-60Hz 2 x 45V 600VA Centerpotted Mounting hole 8mm 6kg Dim. 140mm (dia.) x 65mm

	*TR1000VA Discontinued** Toroidal transformer Silent Design 230-240V/50-60Hz 2 x 65V 1000VA Centerpotted Mounting hole 8mm 8,5kg Dim. 170mm (dia.) x 75mm

	*TR1500VA Discontinued** Toroidal transformer Super Silent Design 230-240V/50-60Hz 2 x 60V 1500VA Centerpotted Mounting hole 8mm 16kg Dim. 200mm (dia.) x 100mm


Discontinued Product Manuals

	Coolback II 300 Manual Active Amplifier Solution Manual content: Description, Technical Specifications, Wiring, Mechanical dimensions etc.

	CoolbackII600 Manual Active Amplifier Solution Manual content: Description, Technical Specifications, Wiring, Mechanical dimensions etc.

	DCN24RPC Digital Crossover Network 2 input / 4 output with power supply Manual content: Description, Operating Conditions, Technical Specifications, Connections, Construction, Wiring, Assembly Guide etc.

	DCN23BOX Manual Digital Crossover 2 input / 3 output Manual content: Description, Technical Specifications, Connectors, Mechanical dimensions etc.

	DCN23kit Digital Crossover kit - Assembly Guide Manual content: Description, Wiring, Mechanical dimensions etc.

	DCN23 Digital Crossover Network 2 input / 3 output Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	DCN24 Digital Crossover Network 2 input / 4 output Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	PA6CC Manual Power Amplifier module - 600W Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	PA12CC Manual Power Amplifier module - 1500W Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	PSU DCN II Manual Power Supply for DCN23 Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	PSU4SA Manual Active System Power Supply Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	PSU12SA Manual Active System Power Supply Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	AmpC trig Manual Soft Start and Mute Control for Power Amplifier Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	AmpC Manual Soft Start and Mute Control for Power Amplifier Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	PSU4DB Manual Power Supply for Power Amplifier Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	PSU8DB Manual Power Supply for Power Amplifier Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

	PSU12DB Manual Power Supply for Power Amplifier Manual content: Description, Operating Conditions, Technical Specifications, Connection pads, Construction, Wiring, Mechanical dimensions etc.

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