Ο Classe Delta Pre mkII ειναι balanced προενισχυτης με ενσωματωμενο streamer Heos, phono, dac και dsp. Διαθετει εισοδους Unbalanced, Balanced, USB, Optical, Coaxial.

Εγγυηση Αντιπροσωπειας. Δυνατοτητα δοσεων, ανταλλαγων.

Features

• Network, USB, AES/EBU, coax and optical inputs with optional HDMI
• XLR and RCA inputs
• Short signal paths to minimise signal interference
• Custom-made Navcom® feet absorb and reduce vibrations
• High-performance onboard MC/MM Phono stage supports up to two phono inputs
• Rhodium-plated connectors for excellent and secure contacts
• 0.25dB volume step precision to find your perfect sound level
• Digital domain tone control with Delta PRE Tilt control
• Support for mono or stereo subwoofers for better control of bass
• Selectable frequency and slope control
• Advanced five-band digital domain parametric equalization
• Digital bypass mode available to all analog sources
• Pass thru mode
• Harmony between minimal design and unrivalled performance
• Luxurious anodized aluminum body
• Adjustable brightness, responsive touchscreen display
• Perfectly complements other components in the Delta family

Specifications

• Gain Range -93dB to +14dB
• Channel Matching 0.05dB
• Input Impedance (at 1kHz, BAL / SE) 50kΩ
• Output Impedance BAL / SE 200Ω / 50Ω
• Maximum Output Level BAL / SE 18Vrms / 9Vrms
• BYPASS MODE (Analog inputs, Tone / EQ / Subwoofers disabled)
• Frequency Response
• (-3dB, 50Ω source impedance) 1Hz – 2MHz
• Harmonic Distortion (measurement bandwidth: 90kHz) <0.0004% at 1kHz <0.0005% at 10kHz <0.0006% at 20kHz
• Intermodulation Distortio (measurement bandwidth: 90kHz) <0.001%
• Maximum Input Level BAL / S (at 0dB gain) 9Vrms (+21.3dBu) / 4.5Vrms (+15.3dBu)
• Signal-to-Noise Ratio (A wtd) (22kHz BW, ref 9Vrms) 130dB (133dBA)
• Crosstalk (one channel undriven) (BAL / SE) -143dB (100Hz), -140dB (1kHz), -124dB (10kHz)

PHONO SECTION (0DB GAIN, BYPASS MODE, XLR2 IN, MAIN XLR OUT)

• RIAA Deviation (20Hz-20kHz) < 0.2dB
• Selectable Load for MM Type (47k II) 50pF, 100pF, 150pF, 200pF, 250pF, 300pF, 350pF, 400pF, 450pF
• Selectable Load for MC – Low Output 7.5Ω, 10Ω, 33Ω, 50Ω, 82Ω, 100Ω, 330Ω, 1kΩ
• Load for MC – High Output 47kΩ

MM, MC – HIGH OUTPUT

• Gain (1kHz, 20Ω source impedance) 41.5dB
• SNR (22kHz BW, ref 5mVrms in) 86dB (93dB A-wtd)
• Max Input Level (overload ref 5mVrms) 11dB (20Hz), 23dB (1kHz), 34dB (10kHz)

MC – LOW OUTPUT

• Gain (1kHz, 20Ω source impedance, 1kΩ load) 60dB
• SNR (20Hz-20kHz) 68dB (74dB A-wtd)
• Max Input Level (overload ref 0.5mVrms, 1kΩ load) 12dB (20Hz), 31dB (1kHz), 52dB (10kHz)

DAC SECTION (DIGITAL INPUTS, TONE/EQ/SUBWOOFERS DISABLED)

• Frequency Response (-3dB, sweep Fs=192kHz) 5Hz – 90kHz
• Harmonic Distortion (measurement bandwidth: 90kHz) <0.0015% (20Hz to 20kHz)
• Dynamic range (-60dBFS, Fs=44.1kHz, A-wtd) 124dB
• Signal to Noise Ratio (Fs=44.1kHz, A-wtd)  125dB (dBA)

DSP MODE (TONE OR EQ CONTROLS ENABLED, SET TO FLAT UNLESS NOTED)

• Frequency Response (50? source impedance, Tone and EQ not enabled) 10Hz – 84.5kHz
• Harmonic Distortion (measurement bandwidth: 90kHz) <0.002% (20Hz to 20kHz)
• Maximum input level BAL / SE (at 0dB gain) 5.4Vrms (+2.5dBr) / 2.7Vrms (+2.5dBr)
• Crosstalk (one channel undriven) (BAL/SE) -105dB(100Hz), -120dB(1kHz), -120dB(10kHz)  

HEADPHONE OUTPUT

• Power (nominal input. 0dB gain, 32 Ω load) 540mW
• Output Impedance 6.8Ω

POWER REQUIREMENTS

• Standby 0.2W
• Wake on LAN  3.1W
• Nominal 35W  
• Max. power (with optional HDMI board) 55W

HEOS BUILT IN

• Network Connection    Ethernet
• USB-A Host WMA, MP3, AAC, WAV up to 192/24, FLAC up to 192/24, AIFF up to 192/24, ALAC up to 96/24, DSF up to 11.2
• Ethernet WMA, MP3, AAC, WAV up to 192/24, FLAC up to 192/24, AIFF up to 192/24, ALAC up to 96/24, DSF up to 11.2   
• Airplay Airplay 2   
• Music Service Providers Supported (varies by region, subject to change) Spotify (Connect), Tidal (including Hi Res), Deezer, Amazon Music HD, TuneIn, Pandora, Napster, iHeartRadio, Sirus XM, Soundcloud, MOOD:MIX, AWA, QPlay, Ximalaya, Sony Hi-Res  

DAC INPUTS

• USB-B 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k, 352.8k, 384k, DSD64, DSD128, DSD256 (native – requires Thesycon/Classe driver for Windows), DSD64, DSD128 (DoP)  
• SPDIF (opt, coax, AES/EBU) PCM 32k, 44.1k, 48k, 88.2k, 96k, 176.4k, 192k/DSD64 over SPDIF

ANALOG IN

• BAL / XLR 2 pairs (XLR2 can be assigned as BAL phono in)
• SE / RCA 2 pairs
• Phono RCA 1 pair

DIGITAL IN

• USB-F 1
• USB-B 1
• SPDIF Coaxial 3
• SPDIF Optical 3
• SPDIF AES / EBU 1
• Ethernet 1

OUTPUTS

• BAL / XLR 5 (configurable: 2pairs+1sub, 1pair+1sub pair,…)
• SE / RCA 5 (configurable: 2pairs+1sub, 1pair+1sub pair,…)

AUTOMATION

• DC Triggers In / Out 2 sets
• CAN Bus 1 set in / out
• RS-232 over RJ-45 1

OVERALL DIMENSIONS

• Width 444 mm
• Depth (including connectors) 448 mm
• Height (including feet) 120 mm

WEIGHT

• Gross Weight 18.7kg
• Net Weight 13.5kg