Ferrum Audio
Ferrum ERCO Gen 2 Balanced DAC & Headphone Amplifier
Ferrum ERCO Gen 2 Balanced DAC & Headphone Amplifier
Ferrum ERCO Gen 2 Balanced DAC & Headphone Amplifier
Amplifier type
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Solid-state
Connectivity
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Connectivity refers to the method in which the headphones connect to the audio source. Headphones can be either wired or wireless.
Wired
Portability
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DACs and amplifiers can either be carried around or meant for static desktop use
Not Portable
Description
Improvements brought to you by ERCO Gen 2
The I/V converter stage has better overall performance and SERCE’s DSP engine provides oversampling using DDF preferred HQ Apodizing digital filter, which get the most out of the DAC chip almost emulating WANDLA performance.. Last but not least maximum resolution is now PCM 768 kHz and DSD 512.
Proprietary Technology
Industry leading technology is applied. All digital ports are optimised for audio, MQA decoding and rendering is optimised for use with internal ARM chip.
Suited for high end personal audio
Connect your favorite headphones to the balanced 4.4 mm jack or unbalanced 6.35 mm headphone jack outputs or powered loudspeakers on your desktop to the XLR or RCA outputs to perform to their max.
Clearing the path for high end audio
Perfect mix of flagship Ferrum technology combined with high grade in house developed Digital to Analog conversion. Choose from three digital and one analog input.
Discrete/IC hybrid design
Ultra-wideband ICs fine tuned for audio use to achieve the best possible analog quality.
Enhanced transparency
The whole design remains focussed on a balanced and very transparent sound signature, making listening fatigue something of the past.
Truly Balanced
The signal path is truly balanced from early D/A stage and becomes truly balanced using the RCA inputs.
Ferrum Power Link
ERCO performs very, very good right out of the box. But ERCO is made to excel above and beyond when used together with HYPSOS. We use what we dubbed our Ferrum Power Link (FPL in short) to connect the two. HYPSOS then will perform to its maximum, unleashing unheard musicality from the combination with ERCO.
Highlights
- ERCO Gen 2 fully balanced headphone DAC/AMP
- Improved I/V converter
- Improved DSP engine
- Improved Digital Filter (HQ Apodizing)
- Improved max resolution (768 kHz / DSD 512)
- Proprietary IC power amp design
- Proprietary optimised-for-audio digital inputs
- Proprietary optimised MQA rendering and decoding for ARM chip
- Proprietary 4-pin Ferrum connector for HYPSOS
- Balanced 4.4 mm jack and unbalanced 6.35 mm jack headphone outputs
- Balanced XLR and unbalanced RCA line outputs
Technical Specifications
| Feature | Details |
|---|---|
| Headphone Output Gain | Balanced: -5.8 dB, +6 dB, +17.8 dB; Single-ended: -11.8 dB, 0 dB, +11.8 dB |
| Operation | Fully balanced, proprietary IC power amp |
| Power Inputs | 5.5/2.5 mm DC connector center positive; Proprietary FPL 4-pin DC connector (FPL) |
| Analog Inputs | RCA (Red Book level 2V RMS recommended, PRO level supported) |
| Digital Inputs | USB-C (MQA, up to PCM 32-bit/768kHz, DSD512, DoP256); S/PDIF Coaxial (MQA, up to PCM 24-bit/192 kHz, DoP64); S/PDIF Optical (MQA, up to PCM 24-bit/96 kHz guaranteed, should work up to PCM 24-bit/192 kHz and DoP64 – depends on user’s optical cable and transmitter) |
| DAC Chip | ESS Sabre ES9028PRO |
| PCM Sample Rates | 44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 352.8 / 384 / 705.6 / 768 kHz |
| DSD Sample Rates | 2.8224 / 3.072 / 5.6448 / 6.144 / 11.2896 / 12.288 / 22.5792 / 24.576 MHz |
| DAC Resolution | PCM up to 768k@32bit; DSD up to 512 (22.6 MHz / 24.6 MHz) |
| MQA | Decoder and Renderer (USB, OPTO, and COAX inputs) |
| Headphone Jack Outputs | Balanced 4.4 mm (TRRRS); Unbalanced 6.35 mm (TRS) |
| Line Outputs | Balanced XLR; Unbalanced RCA (Red Book level: 4V RMS balanced / 2V RMS unbalanced) |
| 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 |
| Output Power (Balanced) | 1.2 W into 300 Ω; 6.1 W into 50 Ω |
| THD on Balanced Output | < 0.00018% / -115 dB, 1 mW into 16 Ω; < 0.00018% / -115 dB, 100 mW into 16 Ω |
| THD on Unbalanced Output | < 0.00032% / -110 dB, 1 mW into 16 Ω; < 0.00057% / -105 dB, 100 mW into 16 Ω |
| Dynamic Range (Analog) | 129 dB (A-weighted) |
| Dynamic Range (Digital) | 117 dB (A-weighted) |
| Input Impedance | 47 kΩ |
| Output Impedance (Unbalanced) | 22 Ω on pre-amp |
| Output Impedance (Balanced) | 44 Ω on pre-amp |
| Output Impedance (Headphones) | < 0.3 Ω |
| Power Consumption | Idle <15 W |
| Power Adapter | 100-240 VAC to 22-30 VDC |
| Dimensions (W x D x H) | 21.7 cm x 20.6 cm x 5 cm / 8.6” x 8.1” x 2.0” |
| Weight | 1.8 kg / 3.97 lbs |
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