Product Summary:The T+A PA 2000 R integrated amplifier is a reference-level, solid state integrated with an amazing headphone section and optional phono preamplifier.... Click To Read More
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PA 2000 R Integrated Amplifier By T+A HiFi
The T+A PA 2000 R integrated amplifier is a reference-level, solid state integrated with an amazing headphone section and optional phono preamplifier.
Building neat, compact integrated amplifiers offering high output power and superb sound quality is an art at which T+A has no peer. For example, the T+A PA 2000 R integrated amplifier. It’s incredibly dynamic, powerful, and incisive. There are two reasons behind these characteristics: the extremely linear output stages with very low negative feedback, and the innovative mains power supply. T+A designed its power supply to ensure it’s ultra-stable under load, with no danger of collapse even when handling extremely high peak levels. The result is that the PA 2000 R can deliver continuous power of more than 200 Watts per channel into 4 Ohm loudspeakers (100 watts into 8 Ohms), enabling it to drive impedance-critical speakers while maintaining effortless control. Gas-tight gold-contact relays are employed to switch loudspeakers, inputs, and internal signal circuits with total precision and zero loss. Separate tone controls are present for each channel, and they and the Loudness function can be bypassed completely. An optional audiophile phono preamplifier module for MM or MC can simply be plugged in. For operation in a surround system, the amplifier can be set to Surround Pass Through mode, selected by a trigger signal.
The input and output sections are equipped with professional sockets (XLR and RCA) made of non-magnetic materials, and all feature hard gold-plated contact surfaces. All sockets are screwed permanently to the solid aluminum back panel. In the R-series, the volume control and input select functions are entrusted to seal gas-tight gold-contact relays, which do not prone to contact problems caused by corrosion, dust, or aging effects even after many years of operation. Integrating the relays directly into the circuit allows the signal paths to be as short as possible, and the signals pass from the input sockets to the pre-amplifier circuit boards without crosstalk.
R-series pre-amplifiers and power amplifiers are constructed in accordance with the double-mono principle. T+A completely isolates the left and right channels from each other – even in mechanical terms – and use identical circuit boards so that the sound quality of both channels is identical. The two separate amplifier circuit boards – with input section, volume control, high-voltage amplifier, and current amplifier stage – are housed in the right-hand half of the case, where they are shielded from the mains power supply and the output section by the massive heat-sink. As with T+A’s HV-series components, the circuit topology of the input stage is based on a cascoded differential amplifier with hand-selected audio J-FET transistors and stages of completely discrete construction, without operational amplifiers (op-amps). This overall circuit design, combined with the high quality of the components employed, virtually eliminates the need for overall negative feedback. The result is that the amplifier boasts excellent linearity combined with an extremely wide dynamic range. Signals up to 60 Vss can be processed without any hint of distortion. The volume control takes the form of discrete precision resistors and bi-stable gold-contact relays, resulting in absolutely exact channel matching combined with the shortest possible signal paths; this in turn virtually eliminates noise and distortion. The following voltage amplifier stage and current amplifier are completely galvanically isolated from each other. This uncompromising design completely avoids the danger of feedback effects from the loudspeaker currents into the voltage amplifier stages and also precludes adverse effects from the loudspeaker load.
The amplifiers are fitted with separate tone controls for each channel, and the function can be completely bypassed by means of gold-contact relays. A loudness circuit is present which can be adjusted to match the efficiency of the loudspeakers.
“Don’t let its unassuming appearance mislead you. T+A Elektroakustik’s PA 2000 R is a first-rate integrated amplifier whose modest power rating should be taken with a grain of salt. It proved to be an unflappable partner for challenging both two-way and big, efficient three-way speakers. It’s also as neutral as they come. Its most alluring talents, however, are its three-dimensional midrange and its butter-smooth treble extension. From top to bottom of the audio band, it is a complete integrated amplifier, whose sound quality is matched by its impressively solid aluminum build. For a reviewer prone to cast a skeptical eye on everything that comes through his listening room, I’m at a loss. This thing is faultless.”
“This is a fabulously entertaining system that never feels its message is more important than that of the music it is playing and it is sure to delight anyone in the fortunate position of being able to own it.”
- Frequency response: + 0 / − 3 dB : 0,5 Hz – 300 kHz
- Signal:noise ratio, unweighted/A-weighted: 105/109 dB
- Total harmonic distortion/Intermodulation: < 0,001 % / < 0,001 %
- Channel separation: > 90 dB
- Loudness: Switchable, variable to suit loudspeaker efficiency
- Tone controls: Switchable, channel-separate
- Bass: −6 … +8 dB
- Treble: −6 … +8 dB
Nominal input sensitivity
- High level (RCA): 3 × 250 mV … 4 Veff/20 kOhms
- Balanced (XLR): 3 × 500 mV … 8 Veff/5 kOhms
- Phono-MM (optional*): 1 – 5 mV,
- *Phono module replaces one high-level input: 16 Capacitances
- Phono-MC (optional*): 60 – 1000 µV,
- *Phono module replaces one high-level input: 16 Impedances
- Headphone: 50 Ohms
- PRE out RCA: Nom 1 Veff, Max 9,5 Veff, 75 Ohms
- Nominal output per channel
- into 8 Ohms 100 Watts
- into 4 Ohms 200 Watts
- into 2 Ohms 300 Watts
- Frequency response + 0/– 3 dB : 1 Hz – 150 kHz
- Slew rate: 60 V/µs
- Damping factor: > 65
- Total harmonic distortion: < 0,02 %
- Reservoir capacity: 60000 µF
Mains / Accessories / Dimensions
- Control interface: R2-Link
- Remote control: SRC 1
- Mains connection: 100 – 120 V or 200 – 240 V, 50 – 60 Hz Max. 1000 Watts
- Standby: < 0,5 W
- Additional features: Trigger input +5V … 20V via adapter plug for remote power-on
Input 3 (symmetrical) or 5 (asymmetrical) can be configured as Surround Pass Through
- Optional Accessories: PHE-P/PA R MM or MC phono content_default | Power Three HD (Carbon) | Power Bar | Audio Quad (Carbon) | Speaker Hex (Carbon)
- Dimensions (H x W x D): 8,2 × 46 × 40 cm
- Weight: 10,5 kg
- Finishes: Silver anodized aluminum (43), black anodized aluminum (42), brushed