AMPLIFICATION

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
    300W per unit total
    Massive, high-quality power supply
    Custom toroidal transformer

CLARITY

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.

    Hand-laid circuit boards
    6-layer circuit boards provide for shortened signal and power pathways with lowest noise
    Fully balanced output stage and balanced circuitry
    22 4-pole Mundorf® capacitors
    Custom-made Navcom® feet to absorb vibrations
    Furutech® rhodium-plated RCA and torque-guard speaker connectors

DESIGN

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.

    Harmony between minimal design and unrivalled performance
    Luxurious anodized aluminum body
    Custom, illuminated VU meters
    Perfectly complements other components in the Delta family

VERSATILITY

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

OVERALL DIMENSIONS

Width:    17.50 in (444 mm)
Depth:    19.37 in (492 mm)
Height:    8.74 in (222 mm)

WEIGHT

Gross Weight:    111.6 lbs (50.6 kg)
Net Weight:    97.7 lbs (44.3 kg)

GENERAL

Frequency Response (-3dB, 50Ω source impedance):    1Hz – 650kHz
Continuous Output Power (at 1kHz, 0.1% THD+N)
    35W / 8Ω (Pure Class-A Operation)
    300W / 8Ω
    600W / 4Ω
    1000W / 2Ω (with AC line held constant) 
Harmonic Distortion: measurement bandwidth 500kHz, 25Vrms in 4Ω or 8 Ω)
    <0.0016% at 1kHz
    <0.0018% at 10kHz
    <0.0028% at 20kHz 
Harmonic Distortion (measurement bandwidth: 90kHz, 25Vrms in 4Ω or 8 Ω)
    <0.0005% at 1kHz
    <0.0006% at 10kHz
    <0.0015% at 20kHz 
Peak Output Voltage (nominal AC line)
    148Vp-p into 8Ω
    156Vp-p no load 
Input Impedance (at 1kHz, BAL / SE):    82kΩ
Voltage Gain (at 1kHz, BAL / SE):    29dB
Intermodulation Distortion (SMPTE 4:1) (8Ω or 4Ω, BAL / SE):    <0.001%
Intermodulation Distortion (CCIF) (8Ω or 4Ω, BAL / SE):    <0.002%
Signal-to-Noise Ratio (A wtd in parenthesis) (22kHz BW):    117dB (119.5dBA)
Slew Rate:    72V / μs
Output Impedance: 0.01Ω (100Hz), 0.011Ω (1kHz),    0.015Ω (10kHz) 
Damping Factor (at 1kHz, ref 8Ω):    700

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