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CLASSE' AUDIO DELTA PRE MK II

Name: CLASSE' AUDIO DELTA PRE MK II
Brand: CLASSE' AUDIO
SKU: 4565
Price: 12000 EUR
Availability: InStock

12.000,00 €

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Preamplificatore Stereo Hi-End con HEOS Built-In

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Descrizione
Dettagli del prodotto

Preamplificatore Stereo Hi-End con HEOS Built-In per lo streaming musicale. Con DAC e streamer, ingressi di rete, USB, AES/EBU; ingressi XLR e RCA; stadio fono MC/MM integrato ad alte prestazioni che supporta fino a due ingressi fono; due uscite subwoofer per una risposta dei bassi più fluida.

OVERALL DIMENSIONS

Width: 17.48 in (444 mm)
Depth (including connectors): 17.64 in (448 mm)
Height (including feet): 4.72 in (120 mm)

WEIGHT

Gross Weight: 41.2 lbs (18.7kg)
Net Weight: 29.8 lbs (13.5kg)

GENERAL

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 Distortion (measurement bandwidth: 90kHz): <0.001%
Maximum Input Level BAL / SE (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 (50Ω 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: 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/