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T+A PA 1100 E Integrated Amplifier + DAC
The Integrated Amplifier inc. FM1000 remote control
The PA 1100 E was developed for customers who are looking for an amplifier with various digital inputs, but who no longer need a CD drive. It was designed as a stand-alone unit and is not suitable for operation in combination with the MP 1000 E multi-source player. However, the PA 1100 E is equipped with the high-quality D/A converter of the MP 1000 E and has also been fitted with an HDMI input. When a TV is connected, the volume can be conveniently controlled via the TV remote control.
All the sub-assemblies of the PA 1100 E are identical to those of the integrated amplifier PA 1000 E, and for this reason it shares exactly the same acoustic performance and characteristics. The sole difference lies in the inputs: one of the PA 1000 E’s symmetrical inputs has been replaced by a digital input board. This board operates completely autonomously from the rest of the machine, and separate voltages are fed to its digital and analogue sections.
The board is fitted with its own micro-processor which assumes full control of the digital inputs, filters and converter. For this reason it has no influence of any kind on the analogue signal processing and sound qualities of the PA 1100 E. The high-quality Bluetooth® module provides music transfer from mobile devices at superb aptX™ quality.
Basically our new E-series amplifiers are what are known as PWM output stages (PWM = Pulse Width Modulation), with a modulator of analogue construction. Our switching output stages have been developed entirely in-house, and are far removed from ready-made “off the shelf” integrated IC amplifiers; instead the output stages are of discrete construction, equipped with the very latest, ultra-fast MOSFET transistors and intelligent driver modules with high current capacity.
The output stages feature analogue negative feedback, which smooth's out the effect of voltage fluctuations in the mains power supply, thereby eliminating signal distortion induced by the power supply voltage; this is an otherwise unavoidable problem in pure “forward concept” circuit designs. However, the negative feedback is relatively weak and frequency-dependent (more pronounced in the bass, where large currents are present, and diminishing in the mid-range / treble). The result is a very controlled, open sound image which never tends towards harshness, characterized by perfectly contoured and well defined bass. The lively, musical nature of this design philosophy is unique.
Switched output stages – if correctly designed – can sound simply wonderful as well as generating tremendous power combined with significantly reduced losses and minimal waste heat. A particularly important factor in the circuit design is a power supply which is stable under load and capable of delivering high currents. This is necessary in order to deliver energy reliably to the output stages, and not collapse even when the power requirement and peak signals are very large.
That is why the newly developed mains power supply features multiple stabilisation measures, the reservoir capacity of the output stages is high, and the high-performance toroidal transformer is isolated by a floating mount system. The overall result is that the amplifiers can effortlessly drive even power-hungry loudspeakers; after all, the PA 1000 E delivers peak currents of up to 50 Ampere.
Pre amplifier (PRE, REC)
Digital section (DAC, Inputs)
Mains / Accessories / Dimensions
Dimensions (H x W x D)
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