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Classe Delta_MONO
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Classé Delta Mono Power Amplifier

Classé Delta Mono Power Amplifier

 

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.

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Mr.Brandon

Description

Classé Audio Delta Power Amplifier

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 @ 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

REVIEWS

 

review-logo

By any standards, the latest Classé 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. They look the part, are superbly engineered and constructed to impeccable standards, and can cope with even the most complex of systems without any signs of compromise in their performance.

  • “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!” — Dave Thoms

“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.” – Aron Garrecht
John Atkinson (NY) of renowned Audio and HiFi Magazine “Stereophile” was amongst the first to review our new Delta MONO Amplifier in March 2020. His review focuses on the musicality of our amplifiers through a series of exhaustive listening tests with excellent results. Below some quotes from John’s review. The full Article can be read by clicking the link at the bottom.

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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