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Pre Amplifiers

Classe Audio Delta Pre – Preamplifier

AED 79,798.95 inc VAT.

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SKU: 65775 Category: Brand:

Delta PRE is the foundation of a high-performance audio system — a precision preamplifier designed to extract the best from both analog and digital sources. It features network/USB/AES/Coax/Optical inputs (optional HDMI), XLR and RCA inputs, a high-performance MC/MM phono stage, rhodium-plated connectors and vibration-damping Navcom® feet.

Description

Fidelity

Delta PRE is the foundation of your perfect system. Designed to connect to a wide range of sources, Delta PRE delivers precision and low-noise performance whether playing analog or digital recordings. Short signal paths, rhodium-plated connectors and custom Navcom® feet ensure clean, interference-free signal transfer.

Control

Audiophiles and professionals trust Classé for accurate sound. Delta PRE offers precise 0.25dB volume steps, a digital-domain Tilt control, selectable subwoofer options, selectable frequency & slope control, advanced five-band parametric EQ, and a digital bypass mode available to analog sources. It supports mono or stereo subwoofers and features pass-thru mode for flexible system integration.

Design

The Delta PRE’s physical design matches its acoustic excellence: a luxurious anodized aluminum chassis, a responsive touchscreen with adjustable brightness, and tactile precision controls. Built by hand for exceptional sonic performance, Delta PRE also complements other components in the Delta family.

  • Network, USB, AES/EBU, coax and optical inputs (optional HDMI)
  • XLR (balanced) and RCA (single-ended) inputs
  • High-performance onboard MC/MM phono stage (supports up to two phono inputs)
  • Digital domain tone control, five-band parametric EQ, and digital bypass
  • Rhodium-plated connectors and Navcom® vibration-damping feet
Classé Delta PRE — Specifications
SKU 65775
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 (18.7 kg)
Net Weight 29.8 lbs (13.5 kg)
Gain Range -93 dB to +14 dB
Channel Matching 0.05 dB
Input Impedance (at 1 kHz, BAL / SE) 50 kΩ
Output Impedance (BAL / SE) 200 Ω / 50 Ω
Maximum Output Level (Bypass) BAL / SE 18 Vrms / 9 Vrms
Frequency Response (-3 dB, 50 Ω source) 1 Hz – 2 MHz
Harmonic Distortion (90 kHz BW) <0.0004% @ 1 kHz; <0.0005% @ 10 kHz; <0.0006% @ 20 kHz
Intermodulation Distortion (90 kHz BW) <0.001%
Maximum Input Level (at 0 dB gain) BAL / SE 9 Vrms (+21.3 dBu) / 4.5 Vrms (+15.3 dBu)
Signal-to-Noise Ratio (A-weighted, ref 9 Vrms) 130 dB (133 dBA)
Crosstalk (one channel undriven) BAL / SE -143 dB (100 Hz); -140 dB (1 kHz); -124 dB (10 kHz)
Phono — RIAA Deviation (20 Hz–20 kHz) <0.2 dB
Selectable Load (MM Type, 47k II) 50pF, 100pF, 150pF, 200pF, 250pF, 300pF, 350pF, 400pF, 450pF
Selectable Load (MC — Low Output) 7.5 Ω, 10 Ω, 33 Ω, 50 Ω, 82 Ω, 100 Ω, 330 Ω, 1 kΩ
Load (MC — High Output) 47 kΩ
MM/MC — High Output Gain (1 kHz, 20 Ω) 41.5 dB
MM/MC — High Output SNR (22 kHz BW, ref 5 mVrms) 86 dB (93 dB A-wtd)
MC — Low Output Gain (1 kHz, 20 Ω, 1 kΩ load) 60 dB
MC — Low Output SNR (20 Hz–20 kHz) 68 dB (74 dB A-wtd)
Headphone Power (nominal input, 0 dB gain, 32 Ω) 540 mW
Headphone Output Impedance 6.8 Ω
File Formats & Sample Rates (USB-F / USB-B / Ethernet / SPDIF) USB-F: 44.1k, 48k, 88.2k, 96k (iOS specific)
USB-B: 32k → 384k, DSD64/128/256 (native with driver for Windows), DSD64 (DoP)
Ethernet: WAV, AIFF, ALAC, FLAC, WMA, AAC, MP3, OGG (max 192k/24b), DSD64 (DoP)
SPDIF: PCM up to 192k / DSD64
Digital Inputs HDMI (optional) — 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
Analog Inputs BAL / XLR: 2 pairs (XLR2 can be assigned as BAL phono in)
SE / RCA: 2 pairs
Phono RCA: 1 pair
Outputs HDMI (optional): 1* (HDMI 2.0b w/ HDCP 2.2)
BAL / XLR: 5 (configurable)
SE / RCA: 5 (configurable)
Automation & Control DC Triggers In/Out (2 sets); CAN Bus (1 set in/out); RS-232 over RJ-45 (1)

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