T+A A 200

Stereo Power Amplifier

T+A A 200

Stereo Power Amplifier
$5,860.00
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Overview

In designing the A 200 output stage it was T+A's goal to combine maximum amplifier power with audiophile sound characteristics. This means 250 Watts of continuous power per channel, with substantial power that does not result in a reduction of subtle detail, resolution and fine dynamics. T+A believe in power only when used in practice with efficiency and precision. In their search to achieve the optimum blend of sound quality, power and efficiency, T+A have developed a completely new circuit topology (designed and executed by our own development team) that succeeds in converting raw power to unsurpassed audiophile performance.

Output Stage

The A 200 Class D output stages incorporate PURIFI Eigentakt technology. This platform, developed by the Danish technology company, is currently the world’s leading fundamental design for Class D output stages, as it eradicates the disadvantages of the previous generation of digital amplifiers. Until now digital amplifier designs were limited by their high dependence on the impedance of the loudspeakers connected to the system, by distortion in the output signal, by phase noise and increased distortion at high power levels. In contrast, the outstanding feature of this new circuit design is its outstanding measured data, making it the obvious choice for audiophile applications.

Mains Section

In spite of their advantage in terms of efficiency, conventional switching mains sections have an inherent drawback: they generate interference in the form of induced interference, which has a consistently adverse effect on sound quality. T+A's response to this is to employ their High-Frequency sine-wave mains sections: their pure sine-wave output and higher frequency - more than twice as high as conventional mains sections - effectively eradicate this interference.

The final trace of induced interference is eliminated by the intelligent recharging of the T+A reservoir capacitors fitted to the units. Over many years of development T+A engineers succeeded in developing capacitors which recharge 100,000 times per second - 2,000 times faster than conventional capacitors. This is necessary in order to ensure that they respond to extremely brief signal spikes, and are always able to deliver the correct quantity of electrical energy. T+A's sine-wave mains sections are “hard” units, i.e. they do not collapse even under the most severe load; they provide the output stages with absolutely constant voltage.

Intelligent Safe Control (ISC)

T+A's Intelligent Safe Control (ISC) is comparable with the ABS of a sports car: the micro-controller uses numerous sensors to provide constant monitoring of the temperature, load or clipping states, and intervenes in an intelligent manner in order to return the parameters to their permissible range.

HV Circuit Topology

T+A's HV circuit technology is unique in the world, and is employed in the voltage amplifier stage. The high operating voltage resulting from the overall circuit design ensures extremely linear reproduction of the audio signals, and provides totally natural imaging and dynamics from every recording - without compromise, and without limitation. The technology also eliminates harsh feedback, to which audio sound is very sensitive.

Frequency Response

The frequency response is totally linear up to 60 kHz and completely independent of the connected loudspeaker. The measured curves show that there is no difference in frequency response between a 4 Ohms loudspeaker load and no loudspeaker load.

Details & Specs

Model T+A A 200
OUTPUT STAGE
Nominal power per channel 250 Watts @ 4 Ohms
125 Watts @ 8 Ohms
Frequency response + 0 / − 3 dB 1 Hz – 60 kHz
Signal to noise ratio 113 dB
THD  /  Intermodulation < 0.002 % / < 0.002 %
Channel separation >103 dB
Damping factor >800 / DF LO >70
Gain factor 37.4 (31.4 dB)
Input sensitivity nominal High level (RCA) 800 mVeff / 5.8 kOhms
Balanced (XLR) 1.6 Veff / 20 kOhms
MAINS / ACCESSORIES / DIMENSIONS
Mains 220 – 240 V, 50 – 60 Hz
Power consumption max. 600 Watts
25 Watts while power on and idling with no signal
Standby < 0.5 Watts
Dimensions (H × W× D) 4" x 12.6" x 13.4" (10 × 32 × 34 cm)
Accessories Power cord, E2-Link-cable
Weight 11 lbs (5 kg)
Finishes Alu silver anodized (43), Alu schwarz anodized (42)
Technical modifications reserved

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