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.
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 @ 2ohms) at its command, Delta MONO will confidently control any loudspeaker.
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Up to 35W delivered in pure Class A operation
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300W per unit total
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Massive, high-quality power supply
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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.
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Hand-laid circuit boards
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6-layer circuit boards provide for shortened signal and power pathways with lowest noise
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Fully balanced output stage and balanced circuitry
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22 4-pole Mundorf® capacitors
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Custom-made Navcom® feet to absorb vibrations
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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.
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Harmony between minimal design and unrivalled performance
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Luxurious anodized aluminum body
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Custom, illuminated VU meters
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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.
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Proprietary ICTunnel™ temperature regulation technology
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Power-on to optimal temperature in minutes
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Active sensing and regulation of optimal amplifier temperature
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Low-noise operation suitable for studio applications
OVERALL DIMENSIONS
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Width
17.50in (444mm)
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Depth
19.37in (492mm)
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Height
8.74in (222mm)
WEIGHT
GENERAL
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Frequency Response (-3dB, 50ohms source impedance)
1Hz – 650kHz
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Continuous Output Power (at 1kHz, 0.1% THD+N)
300W / 8ohms
600W / 4ohms
1000W / 2ohms (with AC line held constant)
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Harmonic Distortion (measurement bandwidth: 500kHz, 25Vrms in 4ohms or 8ohms)
<0.0016% at 1kHz
<0.0018% at 10kHz
<0.0028% at 20kHz
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Harmonic Distortion (measurement bandwidth: 90kHz, 25Vrms in 4ohms or 8ohms)
<0.0005% at 1kHz
<0.0006% at 10kHz
<0.0015% at 20kHz
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Peak Output Voltage (nominal AC line)
148Vp-p into 8ohms
156Vp-p no load
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Input Impedance (at 1kHz, BAL / SE)
82kohms
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Voltage Gain (at 1kHz, BAL / SE)
29dB
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Intermodulation Distortion (SMPTE 4:1) (8ohms or 4ohms, BAL / SE)
<0.001%
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Intermodulation Distortion (CCIF) (8ohms or 4ohms, BAL / SE)
<0.002%
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Signal-to-Noise Ratio (A wtd in parenthesis) (22kHz BW)
117dB (119.5dBA)
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Slew Rate
72V / µs
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Output Impedance
0.01ohms (100Hz)
0.011ohms (1kHz)
0.015ohms (10kHz)
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Damping Factor (at 1kHz, ref 8ohms)
700
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"The latest Classe 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"
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"No other audio company offers this combination of operational flexibility, high-quality parts, thoughtful design, build quality, and faithfulness to the performance of music. Well done, Classé!"
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"Is Classé Audio’s new Delta MONO worthy of a Reviewers’ Choice award? Unequivocally. Is Classé getting my review samples back? Not a chance... I’ve found my new reference Monoblock."
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"Amplification Component of the Year Finalist. “Their transparency, coupled with smooth high frequencies and excellent low-frequency control and articulation, were addictive.”
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