LIGHTSTREAM Mk II
LDR Hi-Fi Attenuator - Kit version

The LightStream MkII is ready
Moreover, it comes with an impressive load of features. At the moment the LightStream is available in a kit, three different versions, and a 'ready-to-use' luxury version planned for late spring.
Impressive Features
The LightStream Mk II is, probably, the most advanced LDR based volume attenuator available on the market.
Here is a list of features that makes the LightStream so unique:
Unique UI
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2.8” TFT 24bits graphics colour display with touchscreen Ir remote
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Real motor-assisted potentiometer for volume control Intuitive operation
Unique Ir remote capabilities
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Input selection
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Volume
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On/Off
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Mute on/off
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Pairing and unpairing
Unique LDR management
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16 bits PWM drivers (65536 steps of resolution) Load settings from 5 KΩ to 60 KΩ with steps of 5KΩ Full calibration of all 4 LDRs individually
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101 steps volume settings.
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Attenuation from -70 dB to -0.1 dB (approximate)
Unique comfort features
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Soft start/stop volume
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Channel balance fine-tuning Upgradable firmware
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Log volume
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Analogue clock
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Personalisation of icons an graphics
I/O
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4 stereo channels relay operated
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1 stereo output
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2 digital output for control external devices
Other
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Audio ground lift
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Power supply 5v via external regulator or 7-18V via internal regulator
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Configurable ad a stand-alone attenuator or to be integrated into an active amplifier project Kit available in 3 different configurations
Documentation Available On-line
All the documentation, assembly instruction, schematics and user manual are available in our Support Page