ARC Audio amplifier PS12Pro

Processor type: Compact stand-alone unit

Processor resolution: Fixed-point, 24-bit native

Main DSP processor: Analog Devices ADAU1452

ADC (analogue-to-digital converter): AKM 5358B

DAC (digital-to-analogue converter): Cirrus Logic CS-4344

Total number of DSP channels: 8

Dual operational amplifier circuit (Dual Footprint): Not

RCA output channels: 8

RCA output voltage: Up to 3.5 V

Input channels (analogue): 6

Analogue input type: Differential (RCA or speaker input)

Input sensitivity (analogue): 2 V - 16 V RMS

Input impedance (analogue): 10 kΩ

Gain control type: Common for all input channels

Optical input: No

Digital coaxial input: Yes

Maximum digital input sampling frequency: 96 kHz

Frequency response: 20 Hz - 23.5 kHz

Signal-to-noise ratio (1V 1:1): 86 dB

Signal-to-noise ratio (4V 1:1): 90 dB

Signal-to-noise ratio (digital): To be determined (TBD)

DSP operating voltage: 8 V - 17.1 V (Start-Stop compatible up to 4.5 V)

Automatic switch-on (Auto-Sense): Yes - signal and DC (BTL)
Uses only analogue channels 1/2

Number of user profiles (presets): Up to 4

Changing presets without PC / controller: Yes - optional manual +/- switches for up to 4 presets (not supplied)

Support for an external controller (optional): Yes - LR-2 (sold separately)

Simultaneous use of two controllers: Not applicable

AXP WiFi adapter: Lack of compatibility

Integrated On/Off sequence control: Device switching on (up to 40 ms), hold time (up to 40 ms), auto-sense hold (up to 200 ms)

DC power input socket: Not

External „Remote” signal to the amplifier - timed control: Adjustable from 0.05 to 40 seconds

Compatibility with iDatalink Maestro AR (interface replacing the OEM amplifier): Yes - requires compatible module, T-Harness and ARC/iData adapter

Multi-processor system expandability: Yes - each processor must be connected via USB to a non-amplified USB hub; enables full control of multiple DSPs from a single PC and GUI

Copper Series finish set: Not applicable

USB connector type: USB-C

Tuning software interface: ARC Audio DNA only

DNA software download: Download here

DNA tuning functions: Click here to see the functions

Dimensions: 3.75″ (L) × 3″ (W) × 1.35″ (H).