APL1s

20.00

As APL detailed loudspeaker equalization solutions are intended to be used for the utmost critical applications, it was nothing short of our obligation to create an equalizer unit that is respective of that – the APL1s.

Description

Specifications:

General

  • 2 channel 4096 coefficient FIR equalizer processing.
  • FIR filter file upload by USB interface.
  • 16 preset internal memory selectable by the rotary switch on the front panel of unit
  • Bit Depth: 24 (up to 56 bit custom FPGA processing)
  • Sampling frequency 48/96 kHz depends on firmware version
  • Anti-Pop power on/off protects your ears, nerves and speakers
  • Ultra-low jitter double PLL clock system.

Jitter:

  • 136 ps (bandwidth 5Hz-20kHz)
  • 75 ps (bandwidth 20Hz-20kHz)

Latency:

48kHz sampling rate.

  • Digital input (synchronous)- analog output: 0.3 ms
  • Digital input (asynchronous)- analog output: 2.5 ms
  • Digital input (synchronous)- digital output: 0.08 ms
  • Digital input (asynchronous)- digital output: 2.25 ms
  • Analog input – analog output: 1.62 ms

96kHz sampling rate.

  • Digital input (synchronous)- analog output: 0.15 ms
  • Digital input (asynchronous)- analog output: 1.25 ms
  • Digital input (synchronous)- digital output: 0.04 ms
  • Digital input (asynchronous)- digital output: 1.1 ms
  • Analog input – analog output: 0.8 ms

Analog inputs:

  • Type: balanced
  • Connectors: XLR
  • Impedance: 10kOhm
  • CMRR: >60dB
  • A/D converter: AK5394A

Analog outputs:

  • Type: balanced, transformer less galvanic decoupling, 10kOhm impedance to ground
  • Connectors: XLR
  • Impedance: 150 Ohm
  • Load capability: 600 Ohm, 15 nF, up to 200 m of a balanced cable
  • D/A converter: CS4398

Operating signal levels (jumper selectable):

  • +4dBu nominal, +20dBu max
  • -10dBV nominal, +6dBV max
  • Frequency response (20Hz – 20kHz) +0.0/-0.3 dB
  • Signal to noise ratio: 117 dBA
  • THD (1kHz at nominal level) 0.0003%

Digital I/O:

  • SPDIF coaxial
  • TOSLINK optical
  • AES/EBU balanced professional
  • Input sample rates: 22kHz-108kHz, supported by SCR4192 sample rate converter
  • Output sample rate: 48/96kHz

Synchronization:

  • Complete sync to external clock at 48/96kHz digital input sampling rate.

Power:

  • 7.5V DC, 1.1A

Dimensions:

  • 222x41x170 mm
  • Weight: 1055 g