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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.

Classe Delta PRE Preamplifier

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

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

Short signal paths to minimize 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

Advanced five-band digital domain parametric equalization

Digital bypass mode available to all analog sources

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

Adjustable brightness, responsive touchscreen display

Perfectly complements other components in the Delta family

Width

Depth (including connectors)

Height (including feet)

Gross Weight

Net Weight

Gain Range

Channel Matching

Input Impedance (at 1kHz, BAL / SE)

Output Impedance BAL / SE

Maximum Output Level BAL / SE

Frequency Response (-3dB, 50Ω source impedance)

Harmonic Distortion (measurement bandwidth: 90kHz)

Intermodulation Distortion (measurement bandwidth: 90kHz)

Maximum Input Level BAL / SE (at 0dB gain)

Signal-to-Noise Ratio (A wtd) (22kHz BW, ref 9Vrms)

Crosstalk (one channel undriven) (BAL / SE)

RIAA Deviation (20Hz-20kHz)

Selectable Load for MM Type (47k II)

Selectable Load for MC – Low Output

Load for MC – High Output

Gain (1kHz, 20Ω source impedance)

SNR (22kHz BW, ref 5mVrms in)

Max Input Level (overload ref 5mVrms)

Gain (1kHz, 20Ω source impedance, 1kΩ load)

SNR (20Hz-20kHz)

Max Input Level (overload ref 0.5mVrms, 1kΩ load)

Power (nominal input. 0dB gain, 32 Ω load)

Output Impedance

USB-F

USB-B

Ethernet

SPDIF (opt, coax, AES / EBU)

BAL / XLR

SE / RCA

Phono RCA

HDMI *(optional)

SPDIF Coaxial

SPDIF Optical

SPDIF AES / EBU

DC Triggers In / Out

CAN Bus

RS-232 over RJ-45

Delta MONO embodies exquisite, controlled, unending power. A perfectly detailed enclosure cradles a highly innovative blend of technologies and hand-selected components which deliver effortless, refined sound.

Classe Delta MONO Power Amplifier

Delta MONO is crafted for exceptional performance and durability – every detail superbly refined. The first 35W of power are pure Class A, and with over 300W per unit total (1,000W @ 2Ω) at its command, Delta MONO will confidently control any loudspeaker.

Up to 35W delivered in pure Class A operation

Delta MONO delivers the utmost clarity in everything you hear. Every detail communicates natural, authoritative sound. An expansive dynamic range with infinitesimal noise delivers unsurpassed fidelity to the musical source. Start listening.

6-layer circuit boards provide for shortened signal and power pathways with lowest noise

Fully balanced output stage and balanced circuitry

Custom-made Navcom® feet to absorb vibrations

Furutech® rhodium-plated RCA and torque-guard speaker connectors

Delta MONO continues Classé’s reputation for monumental design. The amplifier creates an immediate presence in any room or installation through its unique form and superb materials. The illuminated VU meter beautifully communicates output with elegance and detail. This is an amplifier that looks as iconic as it sounds.

Thanks to the unique ICTunnel™ cooling technology, Delta MONO is stackable and rackable in a way no conventionally-cooled amplifier can match. Internal temperature is continuously monitored and controlled, ensuring performance in any configuration. Combined with Delta MONO’s construction, ICTunnel supports a lifetime of unrivalled amplification performance.

Proprietary ICTunnel™ temperature regulation technology

Power-on to optimal temperature in minutes

Active sensing and regulation of optimal amplifier temperature

Low-noise operation suitable for studio applications

Depth

Height

Continuous Output Power (at 1kHz, 0.1% THD+N)

Harmonic Distortion (measurement bandwidth: 500kHz, 25Vrms in 4Ω or 8 Ω)

Harmonic Distortion (measurement bandwidth: 90kHz, 25Vrms in 4Ω or 8 Ω)

Peak Output Voltage (nominal AC line)

Voltage Gain (at 1kHz, BAL / SE)

Intermodulation Distortion (SMPTE 4:1) (8Ω or 4Ω, BAL / SE)

Intermodulation Distortion (CCIF) (8Ω or 4Ω, BAL / SE)

Signal-to-Noise Ratio (A wtd in parenthesis) (22kHz BW)

Slew Rate

Damping Factor (at 1kHz, ref 8Ω)

The Delta STEREO distills all of Classé's innovation and knowledge into a compact high-performance stereo amplifier. In situations where dual mono amplifiers can't be accommodated, Delta STEREO offers uncompromising performance in a single component.

Classe Delta STEREO Power Amplifier

The first 12.5W of power output are pure Class A, and with a total of 250W per channel at its command (over 350W/Ch @ 2Ω), this compact, powerful amplifier drives loudspeakers with utmost confidence.

Up to 12.5W per Channel delivered in pure Class A operation

Delta STEREO delivers exceptional clarity. Every effort has been made to preserve complete separation between channels, delivering the natural, expansive sound that Classé is legendary for.

Delta STEREO has presence. It’s capabilities are expressed through design and it looks fantastic in any room or installation.

Superb material finishes and a pair of custom-designed illuminated VU meters display power output for both channels beautifully.

Delta Series design concept is to create a monument to sound. This amplifier looks every bit has capable as it sounds.

Audio

Classe Delta MONO Power Amplifier

$12,000.00

Classe Delta PRE Preamplifier

$13,000.00

Classe Delta STEREO Power Amplifier

$14,000.00

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