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Classé Delta PRE Preamplifier/DAC

11000

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Classé Delta PRE Preamplifier/DAC.

Obtain optimal audio performance from every source and recording with the Classé Delta PRE Stereo Preamp. It houses a consolidated preamp/DAC architecture that isolates, shortens and simplifies all signal paths, elevating your listening experience. Processing features like comprehensive bass management, a 5-band parametric EQ available for all sources and a flexible tone/tilt control equip you with the essentials necessary to optimize playback for all your entertainment. An onboard MM/MC phono stage and optional HDMI switching provide maximum flexibility and convenience. Hear your collection with phenomenal resolution and detail — only with Classé.

Rated as ‘Best In Class’ by HiFi News magazine, and described as:

‘By any standards, the latest Classé Delta amps are a triumph, combining a hugely flexible and ultra clean-sounding preamplifier with power amplifiers as capable of mighty clout as they are revealing of the smallest of detail. They look the part, are superbly engineered and constructed to impeccable standards, and can cope with even the most complex of systems without any signs of compromise in their performance.

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Granted an ‘Applause Award’ by StereoNet and described as:

‘Overall then, I have a newfound respect for Classé – quite honestly, there is no aspect of the sonic performance that I can criticise. This combination has abilities well beyond the asking price, so is heartily recommended.’

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Visit the dedicated Delta series section of our website here.

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Delta PRE is the foundation of your perfect system.

Designed to connect to a range of sources, Delta PRE will extract the highest performance from every recording, whether analog or digital.

Pre-amplifiers provide clean and controlled signals to the power stage. Both precision and perfection are required, and are delivered by Delta PRE.

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

Audiophiles, recording professionals and equipment reviewers trust Classé amplifiers as a source of sonic truth. Delta Series allows listeners to experience that truth in their own homes.

Every detail of the Delta Series is perfected by hand in our unique production facility in Japan to deliver powerful, natural, expansive sound with minimal noise or distortion.

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

OVERALL DIMENSIONS

Width 17.50 in (444 mm)
Depth (including connectors) 17.68 in (449 mm)
Height (including feet) 4.78 in (121 mm)

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)

HEADPHONE OUTPUT

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

FILE FORMATS
AND SAMPLE RATES SUPPORTED

USB-F: 44.1k, 48k, 88.2k, 96k (iOS specific)
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, (DoP)
Ethernet: WAV, AIFF, ALAC, FLAC, WMA, AAC,
MP3, OGG_VORBIS (max 192k/24b)
DSD64, (DoP)
SPDIF (opt, coax, AES / EBU): PCM 32k, 44.1k, 48k, 88.2k, 96k,
176.4k, 192k / DSD64