R 2500 R

## Audio Features: - **Frequency Response (+0/-3dB):** 0.5 Hz - 300 kHz - **Signal / Noise Ratio:** 105 / 109 dB - **THD (Total Harmonic Distortion):** < 0.001 % - **Intermodulation Distortion:** < 0.001 % - **Channel Separation:** > 90 dB - **Nominal Input Sensitivity:** - **High Level Input Unbalanced (RCA):** 250 mVeff ... 4 Veff / 20 kOhm (IN 2 and IN 3) - **High Level Input Balanced (XLR):** 500 mVeff … 8 Veff / 5 kOhmnom - **Analogue Pre-amplifier Output (RCA):** 1 Veff, max 9.5 Veff / 47 Ohm - **Output Power (RMS) Per Channel:** - **At 4 Ohms:** 250 watts - **At 8 Ohms:** 140 watts - **Slew Rate:** 60 V/µs - **Damping Factor:** > 65 - **Headphone Output:** 4.4 mm Pentaconn (6 Ohms) ## Digital Inputs: - **S/P-DIF:** 3 x (1 x Standard Coax, 2 x Optical TOS-Link) (32...192 kHz / 16-24 Bit), DSD64 (DOP) - **USB DAC:** Device-Mode up to 768 kSps (PCM), DOP256, and DSD 512 - **HDMI:** 2 x IN, 1 x OUT with ARC ## Conversion Details: - **PCM:** Double-Differential-Quadruple-Converter with four 32-Bit Sigma-Delta D/A Converters per channel; 705,6 / 768 kSps conversion rate - **DSD:** T+A-True-1Bit DSD D/A-Converter, up to DSD 512 (22,4 / 24,5 MHz), native bitstream - **Upsampling:** T+A-Signalprocessor – synchronous upsampling with 4 selectable oversampling algorithms (FIR short, FIR long, Bezier/IIR, Bezier) ## Analogue Output Filter: - **Type:** Phase-linear Bessel filter 3rd order, switchable 60 or 120 kHz cut-off frequency ## Frequency Response and Dynamic Range: - **CD/Audio Formats:** CD/DA, CD-R, CD-RW, CD-text; 2 Hz – 20 kHz / 100 dB - **Supported Formats:** MP3, AAC, OGG-Vorbis, FLAC, WAV, AIFF, ALAC, DFF, DSF - **PCM:** 32 … 384 kHz, 16/24 Bit; MP3 up to 320 kBit - **DSD:** DSD64, DSD128, DSD256 ## Network and Streaming: - **Supported Media Servers:** UPnP 1.1, UPnP AV, DLNA-compatible Server, Microsoft Windows Media Connect Server - **Supported Streaming Services:** Tidal, Qobuz, Deezer, Amazon Music HD, highresaudio, Tidal Connect, Spotify Connect, Apple Airplay2, Roon - **Features:** Auto Network Config., Internet Radio Station database (automatic updates) - **Interfaces:** - **LAN:** Fast Ethernet 10/100 Base-T - **WLAN:** IEEE 802.11a/b/g/n/ac/ax 2x2 MIMO - **2.4GHz Band:** 2.412 – 2.472 GHz (up to 3.2dB gain) - **5GHz Band:** 5.180-5.825 GHz (up to 4.25dBi gain) ## USB Interfaces: - **USB:** 2x USB 2.0 Master mode ## FM/DAB Radio: - **Frequency Range FM Radio:** 87.5 – 108 MHz - **Sensitivity**: - **Mono:** 0.9 µV - **Stereo:** 40 µV - **Overload Margin:** 103 dB µV - **Stereo Channel Separation:** 50 dB - **DAB Frequency Band:** 168 – 240 MHz - **Supported Audio Formats:** A2DP (Audio), AVRCP 1.4 (Control) / aptX® HD, SBC, AAC ## Power Specifications: - **Mains Voltage:** 220-240 V, 50-60 Hz / 100-130 V, 50-60 Hz - **Normal Operation (max.):** 800 Watts - **Standby (ECO):** < 0.5 W ## Physical Characteristics: - **Dimensions:** 16.5 cm x 46 cm x 40.5 cm (6.5 x 18.1 x 16 inches) - **Weight:** 14 kg (30.8 lbs) - **Accessories:** Power cord, remote control SRC 2, 2x WLAN antenna, FM antenna - **Finishes:** Silver anodised aluminium (43), black anodised aluminium (42), brushed