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EC-AW 180
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Electrocompaniet - AW 180 - Mono Amplifier (Single)

Electrocompaniet - AW 180 - Mono Amplifier (Single)

Electrocompaniet - AW 180 - Mono Amplifier (Single)

The Electrocompaniet AW 180 Monaural Power Amplifier represents the ultimate fidelity in sound reproduction. Audiophiles, recording engineers, record producers and reviewers around the world rely on the AW 180's faithful reproduction of the original master recording.

The stunning capabilities of the Electrocompaniet AW 180 cannot be explained – they have to be experienced.

The AW 180 incorporates such refined features as: FTT (Floating Transformer Technology) power supply, capable of delivering twice the current of a conventional power supply, a first class overall circuit design and state-of-the-art components. The Electrocompaniet AW180M features a balanced link to additional amplifier(s) for bi-amping. It can easily be used in bridged mode, delivering up to four times the power.

After the Electrocompaniet 25-Watt amplifier had established a new standard for transistor amplifiers, research was undertaken to find ways to make the amplifier even better, and to extend its highly musical sound quality to more powerful amplifier designs. The engineers at Electrocompaniet were not satisfied by only reducing the commonly recognised types of distortion to low levels. They recognised that distortion appears in many forms, and that distortion was still audible in listening tests even when conventional categories of distortion were at astonishingly low levels.

Traditionally, designers increased feedback to make a larger portion of the output signal control the amplifiers response. Their listening tests showed that simply applying more feedback was not the answer. In fact, as one kind of distortion went down, other parameters would be adversely affected, leading to an overall degradation of sound quality. Electrocompaniet knew that the other conventional design approach of eliminating feedback completely was not the answer either, because this would cause high distortion levels, and as a result would produce a “woolly” sound.

The answer to the dilemma was found in a novel approach to feedback theory. Electrocompaniet developed a feedback concept that allowed local feedback to be applied around individual stages of the amplifier circuit. This approach allowed them to avoid the sonic disadvantages of overall feedback from output to input. The concept was further developed to reduce phase and inter-phase distortion between stages of the amplifier as well. They were then able to concentrate the loop feedback on the stages of the amplifier where it resulted in audible improvement.

Stability margins were also expanded because feedback no longer affected the frequency response. The use of this concept of individual gain blocks - complex in design but simple in function - allowed Electrocompaniet to reduce distortion to minute values in all their products. The AW 180 amplifier is divided into two separate sections or gain blocks. The input block is a transconductance amplifier without overall feedback. This avoids large output current being fed back to the input, and mixed with the minute input signal. The output block is a Transresistance Amplifier with parallel feedback. This is done to prevent higher frequencies than the feedback loop can handle, from entering the loop. An approach like this will prevent Transient Inter Modulation Distortion (TIM) and Slewing Induced Distortion (SID), eliminating the need for an extremely wide bandwidth.

All stages work in Class A with an efficiency loss of less than 0.1%. The power supply of the AW 180 consists of one 650 VA Toroidal Transformer. Furthermore, the power supply consists of a 60.000 micro Farad Reservoir divided into six 10.000 Micro Farad Capacitors in parallel with 4.7 and 0.1 Micro-Farad Polycarbonate and Polypropylene Capacitors.

FEATURES:

  • Mono Amplifier (Single)
  • Floating Transformer Technology (FTT) Power Supply (capable of twice the current of a conventional power supply)
  • First-Clas Overall Circuit Design
  • State-of-the-Art Components
  • Innovative Design to reduce feedback levels
  • Divided into 2 Individual Gain Blocks
  • Low Bandwidth function prevents Transient Inter-Modulation Distortion (TIM) and Slewing Induced Distortion (SID)
  • Efficiency loss lower than 1%
  • 650 VA Toroidal Transformer Power Supply
  • 60,000 Micro-Farad Reservoir with 6-10,000 Micro-Farad Capacitors in parallel with 4.7 and 0.1 Micro-Farad Polycarbonate and Polypropulene Capacitors

SPECIFICATIONS:

Manufacturer: Electrocompaniet
Model Number: AW 180
Type: Mono Amplifier

ELECTRONIC

Power/Wattage:

250 Watts (8 Ohm)
380 Watts (4 Ohm)
625 Watts (2 Ohm)

S/N Ratio: N/A
Total Harmonic Distortion (THD): < 0.001% (1 kHz -1 dB, 8 Ohm)
Frequency Response: N/A
Connection Type/Input: XLR, RCA
Connection Type/Output: N/A

GENERAL

Power Consumption: 115 Watts
Dimensions:

8.5" (W) x 18.5" (D) x 11.3" (H)
(215 x 470 x 288mm)

Shipping Dimensions: N/A
Weight: 48.4 lbs (22 kg)
Shipping Weight: N/A
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