Product Specifications

Echo Digital Audio is proud to use only specifications of production units. While other companies quote specs of their converters alone in laboratory settings, the numbers you see on this page represent the actual unit in your hands. Since people often rely heavily on specs when deciding what gear to buy, we like to bring you numbers that really mean something.

Analog Input

• 4 Neutric Universal connectors for balanced TRS or XLR
• Accepts unbalanced connections
• Frequency Response: 15Hz-22kHz, ±0.25dB (plot)
• Linearity:  -120dBFS-0dBFS, ±1dB (plot)
• Dynamic Range:  110dB A-weighted
• THD+n: <0.001%, 20Hz-22kHz A-weighted (plot)
• Crosstalk:  <0.0005% Crosstalk (plot)
• Maximum Input level (after gain adjustment):  +22dBu or +8dBV
• 48V Phantom power on XLR inputs
• Microphone Input Level (balanced XLR):
  • EIN:  -129dBV
  • Input Impedance:  1.5KOhm
  • Gain Adjustment:  20-60dB
• Line Input Level (balanced TRS):
  • Input Impedance:  10KOhm
  • Gain Adjustment:  0-40dB
• Guitar Input (unbalanced TS):
  • Input Impedance:  107KOhm
  • Gain Adjustment:  10-50dB

Analog Output

• 6 Balanced XLR or unbalanced (single-ended) RCA connectors
• Accepts unbalanced signals
• Frequency Response: 15Hz-22kHz, ±0.25dB (plot)
• Linearity:  -120dBFS-0dBFS, ±0.8dB (plot)
• Dynamic Range:  115dB A-weighted
• THD+n: <0.002%, 20Hz-22kHz A-weighted (plot)
• Crosstalk:  <0.0002% Crosstalk (plot)
• Balanced XLR Output:
  • Nominal Output: +4dBu
  • Maximum Output: +22dBu
• Unbalanced RCA Output:
  • Nominal Output: -10dBV
  • Maximum Output:  +8 dBV

General Converter Specs

• 128x Oversampling converters
• 24 bit data resolution maintained throughout signal path
• Multiple sampling rates supported: 8k, 11.025k, 16k, 22.05k, 32, 44.1k, 48k, 88.2k, 96k

S/PDIF Digital Input/Output

• Up to 24 bit resolution
• Optical-TOSLINK-Lightpipe connector
• Coaxial connector
• Consumer/Professional Switch
• 44.1kHz and 48kHz sample rates supported

ADAT Digital Input/Output

• 8 Channel 24 bit input/output over TOSLINK connection
• 44.1kHz and 48kHz sample rates supported

Digital Sync

• Word Clock in/out
• S/PDIF or ADAT in/out
• Esync output for syncing to other Echo cards

Headphone Output

• High quality ¼” headphone jack
• Volume control on front panel

General

• On-board 24-bit Motorola DSP for mixing and monitoring

Dimensions

• 17”(w) x 6”(d) x 2”(h)
• Fits single rack mount space
• Includes rack mounting bracket (removable on laptop version)

Host Interface

• Bus mastering PCI host interface (standard version)
• Bus mastering CARDBUS interface (laptop version)