DSP-A8
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General description

- 2 analog inputs (balanced and unbalanced)
- USB 2.0 port for control
- 8 analog outputs (balanced and unbalanced)
- SPDIF Digital Input (optional)
- Isolated and delayed remote
- Independent parametric equalizer on both inputs and outputs
- Independent pass
-band on each output
- High efficiency isolated PWM power supply
- 56 bits and 172 MHz DSP
- Strong metal case
Features
- 5 bands parametric equalizer on both inputs and outputs (20hz to 20Khz with 1 Hz steps, 0.1 dB steps, Q factor with 0.1 steps, type peak, high shelving, low shelving and Linkwitz transform)
- Independent pass
-band on each output (10 to 20 KHz with 1 Hz steps, 13 different slopes,
- IIR filters on each input and output (8 biquad on each input, and 16 biquad on each output)
- 0 to 9 ms time alignment
- Phase polarity 0-180°
- 0 to -70db attenuation on each input and output
- Muting and monitoring on each input and output
- Integration in Room Equalizer Wizard
Technologies
-
DSP Analog devices :
- SigmaDSP 172 MHz - 28/56 bits double precision, RAM 12K
- DAC 24 bit CIRRUS LOGIC, 114 dB dynamic range 96 kHz sample rate
- ADC 24 bit CIRRUS LOGIC, 114 dB dynamic range 96 kHz sample rate
- Digital audio interface receiver, TI Burr Brown SRC4382 for signals up to 216 kHz (with optional digital input card)
Power Suply :- PWM Mosfet high efficiency power supply
- DC-DC isolation for quiet operation
- First choice components: Panasonic FR low ESR and Evox RIFA MMK capacitors, DALE 1% resistors, FAIRCHILD rectifiers, Silver Plated Copper / Extruded PTFE (Teflon) internal wire
Technical description
Analog inputs (1 & 2)
Balanced (Phoenix Terminal Block) OR Unbalanced (RCA)
Maximum input signal: RCA input: 2Vrms (8 dBu) in unbalanced mode
Phoenix terminal: 4Vrms (14 dBu) unbalanced OR 8Vrms (20dBu) balanced
Digital input
SPDIF (20 to 216 KHz)
Optical toslink or coaxial RCA
Each circuit isolated with transformer
Analog outputs (1,2,3,4,5,6 and 8)
Balanced (Phoenix Terminal Block) OR Unbalanced (RCA)
Maximum output signal: RCA input: 2Vrms (8 dBu) in unbalanced mode Phoenix terminal: 4Vrms (14 dBu) unbalanced OR 8Vrms (20dBu) balanced
Technical features
Sample rate: 96 KHz
Bandwidth: 20 Hz à 20 KHz
Dynamic range: 114 dB
THD + N: 100 dB
A/N & N/A converters
Type: Cirrus logic CS42528F1
Sample rate: 96 KHz
Dynamic range: 114 dB (ADC) and 114 dB (DAC)
THD + N: up to 100 dB
Stereo separation: 110 dB
DSP
Type: Analog devices SigmaDSP ADAU144x
Maximal sample rate: 192 KHz
Speed: 172 MHz
RAM size: 12K
Precision: 28/56 bits double
Dynamic range: 139 dB
THD + N: 133 dB
Communication
Type: USB 2.0 plug and play driverless
Connector type: mini USB
Compatibility: XP/Vista/7/MAC
Software: MiniDSP 2x8
Power supply
Type: PWM
Max. input voltage: +16 volts DC (minus to chassis ground)
Efficiency: 95%
Remote out output voltage: +12v DC
Remote out maximal current: 0.25A
Delayed remote out : > to 2 seconds
Consumption: 20W@12V max
Case
Galvanized steel sheet 10/10 with grained powder paint
Top plate: gloss black PMMA 5 mm thickness with CNC engraving
Incrusted aluminium brushed letters
Size: 325x252xh52 mm
Weight: 2.5 kg
Options
1. Digital Input

WaveFlex Caraudio offers the possibility to add a digital input to your DSP A8 (factory fitted). Take advantage from the digital output of your head unit and increase the overall performance of your installation.
Caution: To have the possibility to alter the master volume on the outputs of the DSP A8, we highly recommend our Remote control MRC (sold separately).
Modifications included:
- Digital input board
- New face plate
- Setup and configuration of additional hardware
For our customers already owning a DSP A8 with analog inputs wishing to upgrade to digital input, please contact us via the contact form before sending in your unit, the upgrade has to be done in our factory. We do offer a 6 months warranty extension for units still under warranty.
2. 8 analog inputs

WaveFlex Caraudio also offers the possibility to buy the DSP A8 with eight analog inputs for those wishing to connect either several sources and/or a head unit with multiple analog outputs (e.g. Front / Rear / Sub).
This version is only available new from factory; an upgrade from a 2 channels version to 8 channels is not possible. Please contact us via the contact form for purchasing this unit, it’s only available on special order.