WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov

Classe Delta Pre Preamplifier with DAC

by Classe
UPC: 883795004787
Call for Availability On Display in Our Store
$9,999.00

SKU DeltaPre

Classe Delta Pre Preamplifier with DAC

The Delta PRE is the foundation of your perfect system. Designed to connect to a range of sources, the PRE will exact the highest performance from every recording, whether analog or digital.

Delta PRE will deliver perfectly balanced audio to downstream Delta components.


FIDELITY

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

CONTROL

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

DESIGN

As the component you’re most likely to touch, the design of Delta PRE matches its exceptional acoustic performance.

Any interacting with Delta PRE is pure pleasure, from the superb cool-to-the-touch materials, to the precise tactile feedback of the volume control.

Touchscreen control reflects Delta PRE’s outstanding capability : pure analog clarity, advanced digital precision, confident, capable power and expressive sound.

    Harmony between minimal design and unrivalled performance
    Luxurious anodized aluminum body
    Adjustable brightness, responsive touchscreen display
    Perfectly complements other components in the Delta family


Specs


OVERALL DIMENSIONS

Width
    17.50 in (444 mm)
Depth
(including connectors)
    17.68 in (449 mm)
Height
(including feet)
    4.78 in (121 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)
Power
(nominal input, 0dB gain, 32Ω 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

INPUT / OUTPUT COMPLEMENT
ANALOG IN

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

DIGITAL IN

HDMI
    4* (HDMI 2.0b w/HDCP 2.2)
USB-F
    1
USB-B
    1
SPDIF Coaxial
    3
SPDIF Optical
    3
SPDIF AES / EBU
    1
Ethernet
    1

OUTPUTS

HDMI
    1* (HDMI 2.0b w/HDCP 2.2)
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

    WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov

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