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Classé Delta STEREO power amplifier

13000

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Due to manufacturer terms this item is unavailable to purchase online, as it requires demonstration and in some cases, installation. Please contact us via the button below to discuss.

Classé Delta Stereo power amplifier.

Enjoy the highest, most reliable fidelity with the Class A amplification, informed design and active cooling of the Classé Delta MONO and Delta STEREO amplifiers. True to the source regardless of your loudspeakers, Class A amplification eliminates switching distortion when signal levels are small. Lateral MOSFET output transistors also provide the low impedance drive to handle any loudspeaker effortlessly. Includes 4-pole Mundorf® capacitors to store and release energy quickly and evenly across the audio band. Vibration-absorbing Navcom® feet. Durable rhodium plated Furutech® connectors. Active cooling thermal management from the proprietary IC Tunnel to maintain ideal internal temperatures no matter how hard you’re driving the amplifier.

 

Rated as ‘Best In Class’ by HiFi News magazine, and described as:

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.

Click the image below to read the review in full: 

Granted an ‘Applause Award’ by StereoNet and described as:

‘Overall then, I have a newfound respect for Classé – quite honestly, there is no aspect of the sonic performance that I can criticise. This combination has abilities well beyond the asking price, so is heartily recommended.’

Click the image below to read the review in full:

Visit the dedicated Delta series section of our website here.

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 uncompromizing performance in a single component.

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
  • 250W per Channel total
  • Massive, high-quality power supply
  • Custom toroidal transformer

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.

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

OVERALL DIMENSIONS

Width 17.50 in (444 mm)
Depth 19.37 in (492 mm)
Height 8.74 in (222 mm)
Gross Weight 116.4 lbs (52.8 kg)
Net Weight 102.3 lbs (46.4 kg)

GENERAL

Frequency Response (-3dB, 50Ω source impedance)
1Hz – 650kHz
Continuous Output Power (at 1kHz, 0.1% THD+N)
250W / 8Ω  (12.5W in pure Class-A operation)
500W / 4Ω  (with AC line held constant)
Harmonic Distortion (measurement bandwidth: 500kHz, 25Vrms in 4Ω or 8 Ω)
<0.0016% at 1kHz
<0.002% at 10kHz
<0.003% at 20kHz
Harmonic Distortion (measurement bandwidth: 90kHz, 25Vrms in 4Ω or 8 Ω)
<0.0007% at 1kHz
<0.001% at 10kHz
<0.0025% at 20kHz
Peak Output Voltage (nominal AC line)
129Vp-p into 8Ω
138Vp-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)
<0.0018%
Intermodulation Distortion (CCIF) (8Ω or 4Ω, BAL / SE)
<0.004%
Signal-to-Noise Ratio (A wtd in parenthesis) (22kHz BW)
118dB (120dBA)
Crosstalk (one channel driven to 250W / 8Ω)
124dB (100Hz), 107dB (1kHz),
90dB (10kHz)
Slew Rate
75V / μs
Output Impedance
0.009Ω (100Hz), 0.009Ω (1kHz),
0.012Ω (10kHz)
Damping Factor (at 1kHz, ref 8Ω)
850

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