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The DSP501 / DSP502 is our new state-of-the-art Digital Signal Processors with an unprecedented level of sophistication and versatility.
The DSP502 uses a larger frame but else sports the same features as the DSP501.
With the DSP50x we are creating a new high-end audio unit that hasn't been available on the market before. It is a digital signal processor with various algorithms with the purpose to enhance the audio signal or adapting the audio signal to the room acoustics or speakers at hand.
Weiss Engineering has a 30-year history in designing signal processing algorithms for the professional audio market, namely Mastering Studios. In that time span we have learned a thing or two about algorithm design. The DSP50x is the essence of our experiences.
The DSP501 / DSP502 also includes a sampling frequency converter that converts all input signals to a fixed, user-selectable sampling frequency. The purpose of this converter is to ease the subsequent D/A Converter from the upsampling task. The modern D/A Converters also use a sampling frequency converter to rise the internal sampling frequency before D/A conversion. This internal converter often is of compromised quality due to cost considerations. So with the DSP501 / DSP502 converter the overall quality will be higher.
DSP501 and DSP502 are Roon Ready.
Mechanics
The DSP50x uses a stainless steel chassis with a solid 10 mm aluminium front plate.
Power Supply
A powerful non-switching power supply is used. All sensitive voltages have their own regulators for best jitter performance at the digital outputs. The power switch activates a semiconductor relay which only switches on or off at zero crossings of the mains voltage. This assures a glitch free power switching. The two mains transformers are toroidal types. Mains voltage selection is done automatically by measuring the mains voltage before power is applied to the rest of the electronics.
Synchronization
An internal high precision / low jitter clock generator is responsible for clocking the digital output section. The sampling frequency of that generator can be user selected between the values of 88.2kHz, 96kHz, 176.4kHz, 192kHz. The input signals are converted to the sampling frequency selected.
Digital Inputs
There are a total of five inputs:
Accepted formats: PCM 44.1kHz up to 384 kHz, DSD 64x / 128x.
Future formats can be accommodated for via software updates.
Signal Processing
The DSP50x has a digital signal processing chip built in (DSP).
The following DSP algorithms are currently implemented:
Digital Outputs
Two S/PDIF outputs on RCA connectors, two AES/EBU outputs on XLR connectors.
Up to 4 audio channels (2 Stereo channels) are supported. This allows to e.g. have two different D/A Converters connected, one for the speakers and one for the headphones.
For the two outputs independent DSP processing can be selected.
The output levels can be set in a coarse manner to adapt the output to the D/A Converter / Amplifier chain. Plus the output levels can be set in fine steps for normal level control.
Front panel controls
Back panel elements
IR Remote Control
Allows to control several functions of the DSP50x, namely:
Web Interface
The DSP50x has a web interface for configuring it via a web browser. The following functions are accessible via the web interface:
Power
Mains voltage: 100…120 V or 200…240 V
, automatic voltage selection
Fuse rating: 500 mA slow blow at 100…120 V, 250 mA slow blow at 200…240 V
Power consumption: 10 VA max.
Power consumption in standby: 2.2 VA max.
Size DSP501
Depth: 30 cm
Width: 18,8 cm
Height: 6,6 cm
Height with feet: 7,2 cm
Size DSP502
Depth: 30 cm
Width: 45 cm
Height: 6,6 cm
Height including feet: 7,4 cm
Size Remote
Depth: 2,1 cm
Width: 4,5 cm
Height: 16,6 cm
Available Color
Silver, Black
Digital Inputs
(1) XLR connector
(1) RCA connector
(1) TOSLINK connector (optical)
(1) USB type B connector
(1) RJ45 Ethernet connector
All inputs accept professional or consumer standard, i.e. accept AES/EBU or S/PDIF signals
. Sampling frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz or 192 kHz on any of the inputs. USB and Ethernet also support 352.8 kHz, 384 kHz, DSD64 and DSD128
Maximum input word-length: 24 / 32 Bits
Digital Outputs
(2) RCA Connectors
(2) XLR connectors
RCA and XLR connectors each carry a stereo audio channel. Two stereo channels can be output.
Analog Outputs
None
Headphone Output
None
Synchronization
Via the input signal in the case of the AES/EBU and S/PDIF inputs. Via the internal oscillator in the case of USB and Ethernet inputs
Sampling frequencies selectable for the outputs (internally generated):
Standard DSP50x unit: 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
Low speed DSP50x unit: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
Color | Silver, Black |