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T+A PA 2500 R Integrated Amplifier

T+A PA 2500 R Integrated Amplifier
 T+A PA 2500 R Integrated AmplifierT+A PA 2500 R Integrated Amplifier 
(£7,517.50 Exc. VAT)

Delivery In 7-14 Days

Free U.K. Delivery


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T+A PA 2500 R Integrated Amplifier

Twice as tall, higher output power and even more connection facilities – the PA 2500 R exceeds the specification of the PA 2000 R in many areas, but its character in terms of sound quality is in no way inferior to its smaller sibling. This by no means goes without saying, because very powerful amplifiers often forfeit the finer points of dynamics and detail tracery. 

Our PA 2500 R integrated amplifier circumvents this danger: its basic circuit is the same as that of the PA 2000 R, and even the circuit board layouts are identical. However, its heat-sinks are twice the size, and the case accommodates two of our new high-performance mains power supply units, with the result that it can deliver more than 280 Watts of continuous power per channel into 4 Ohms loudspeakers. 

The amplifier is therefore effortlessly capable of controlling speakers which are extremely critical in terms of phase and impedance. The PA 2500 is even more powerful than the smaller machine, but retains exactly the same dynamism and cultured sound.

Shipping typically 1-3 days

Power Supply

The quality of any output stage is determined to a very great extent by the mains power supply as well as the circuit topology. Mains power supply units must be as stable and resilient as possible, to ensure that the voltage they generate does not collapse even when very high peaks are encountered. In conventional equipment this requires very large transformers, but the limited space available in the low-profile R-series machines spurred on our en­gineers to develop an ingenious alternative solution: a regulated high-frequency sine-wave mains power supply with generous reservoir capacity, capable of delivering up to 1200 Watts without problem. The mains power supply can deliver very large quantities of current extremely quickly, even when the gradient of the peak signals is steep. Our experience in building amplifiers over a period of thirty years has taught us the importance of the quality of audiophile modules for the final outcome in terms of sound quality, and that is why we choose our components with great care and then select them according to strict criteria, to ensure optimum characteristics for each specific application.


We use low-loss mica capacitors with silver electrodes, zero-induction resistors, precision low-noise audio resistors, and nickel-free gold- or rhodium plated terminals specially manufactured for T+A. Many of these components were developed for military applications, and therefore fulfil exacting requirements in terms of quality and durability. Another in-house development for the latest R-series is a completely new and very fast data bus for data exchange between the devices, which makes it possible to control a whole system with a single remote control handset. Alternatively, if the system includes an MP 2000 R, the equipment can be controlled using the T+A App for iOS or Android. Both amplifiers are equipped with a sophisticated protective circuit which is situated outside the signal path, and therefore cannot possibly have any adverse effect on sound quality. The protective circuit constantly compares the input signal before the output stage with the output signal, and instantaneously switches off the output relays if it detects the slightest deviation (clipping, distortion, etc.). The protective circuit is also triggered if overheating occurs, or if a short-circuit is present at the outputs. All the electronic circuitry for controlling the machines is recessed into the solid aluminum front profile, where the shielding effect is outstanding. The front panel features a bright, dimmable screen (VFD) and control knobs with variable lighting.

Pre-amplifier stage

  • 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
  • Bass
  • Treble
  • Switchable, channel-separate: −6 … +8 dB, −6 … +8 dB
  • Nominal input sensitivity: High level (RCA): 4 × 250 mV … 4 Veff/20 k Ohms; Balanced (XLR): 3 × 500 mV … 8 Veff/5 k Ohms
  • Phono-MM (optional) Phono module replaces one high-level input 1 – 5 mV, 16 Capacitances
  • Phono-MC (optional) Phono module replaces one high-level input 60 – 1000 µV, 16 Impedances


  • Headphone: 50 Ohms
  • PRE out RCA: Nom 1 Veff, Max 9,5 Veff, 75 Ohms
  • PRE out XLR: Nom 1,45 Veff, Max 19,6 Veff, 75 Ohms

Output stage

  • Nominal output per channel into 8 Ohms 140 Watts; 4 Ohms 280 Watts; 2 Ohms 560 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: 120000 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. 2000 Watt
  • 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)

  • 16,5 × 46 × 40,5 cm
  • Weight 14,5 kg


  • Silver anodised aluminium (43), black anodised aluminium (42), brushed
  • Technical modifications reserved

UK Delivery

  • FREE delivery via DPD Local By 12pm on orders to value over £300, including one hour delivery window service 'Predict & Follow My Parcel'.
  • Royal Mail Special Delivery By 1pm costs between £5.00 - £10.00 on orders to value under £300, dependent on weight.
  • Saturday or Sunday delivery available upon request for supplemental charge.

EU Delivery

  • £25 delivery charge 'Flat Fee' via DHL Europe by Road service (5-7 days) which provides comprehensive tracking of shipments online.
  • £50 delivery charge 'Flat Fee' via DHL Europe by Air service  (2-3 days) which provides comprehensive tracking of shipments online.
    Receiver is responsible for the payment of local Duties and Taxes.

USA & Canada Delivery

  • Services based on your order being shipped to the U.S. and Canada are calculated as follows:
    £100 delivery charge 'Flat Fee' via DHL international 'Day Definite' service per parcel.
    Receiver is responsible for the payment of local Duties and Taxes.


  • Not all products are available for order into Europe, USA & Canada


  • Full manufacturer's warranty on all new purchases. Standard warranty is typically 12 months to 2 years with some goods coming with 6 years manufacturer's warranty.
  • Goods purchased in UK and EU are covered by the Consumer Contracts Regulations.

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