11
user’s manual
ERCO by Ferrum
• Safe Mode compensates for lengthy processing performed by a playback software in the ASIO callback.
If safe mode is turned on, then the driver tolerates that a processing interval extends and overlaps with the
next interval. It will extend the output latency.
Note: Ferrum recommends to stay at default settings.
7.2.4 Info
Some information about the currently connected ERCO.
7.2.5 About
Some information about the currently used Ferrum USB Audio Control Panel.
This paragraph will be updated as soon as a new firmware version for ERCO is released. You can download
latest manual, firmware and USB driver from our website: www.ferrum.audio/support
8. FIRMWARE UPDATE
• Headphone output gain: balanced -5.8 dB, +6 dB, +17.8 dB; unbalanced -11.8 dB, 0 dB, +11.8 dB
• Operation: fully balanced, proprietary IC power amp
• Power inputs: 5.5x2.5 mm DC connector center positive; proprietary FPL 4-pin DC connector (FPL)
• Analog inputs: RCA (Consumer level; Pro option with future software update)
• Digital inputs: USB (up to PCM 384 kHz / 32 bit, DSD x256, DoP x128); S/PDIF optical (up to PCM 192 kHz /
24 bit, DoP x64); S/PDIF coaxial (up to PCM 96 kHz / 24 bit guaranteed, may work up to
PCM 192 kHz / 24 bit, DoP x64)
• DAC chip: ESS Sabre ES9028PRO
• PCM sample rates: 44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 352.8 / 384 kHz
• DSD sample rates: 2.8224 / 3.072 / 5.6448 / 6.144 / 11.2896 / 12.288 MHz
• MQA: decoder and renderer
• DAC resolution: PCM up to 384 kHz / 32 bit; DSD up to x256 (11.2 MHz / 12.2 MHz)
• Headphone jack outputs: balanced 4.4 mm (TRRRS); unbalanced 6.35 mm (TRS)
• Line outputs: balanced XLR; unbalanced RCA (both Consumer level; Pro with future software update)
• Volume control: analogue with bypass option (bypass for line outputs only)
• Frequency response: 10 Hz – 30 kHz (+/- 0.05 dB) 10 Hz – >200 kHz (+/- 1 dB)
• Output power unbalanced: 300 mW into 300 Ω; 1.7 W into 50 Ω
9. TECHNICAL SPECIFICATION
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