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T+A PA 3000 HV Integrated Amplifier
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T+A PA 3000 HV Integrated Amplifier

£11,988.00   
£9,990.00 Exc. VAT |  
  

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T+A PA 3000 HV Integrated Amplifier

The integrated amplifier

The P 3000 HV pre-amplifier and the A 3000 HV power amplifier share many components with the PA 3000 HV, as well as the fundamental design principles and circuit topology. Most of the case components are the same, and the PA 3000 HV and A 3000 HV also employ the same mains units and voltage supplies, output stages, input amplifier and high-voltage amplifier stages. The P 3000 HV pre-amplifier also shares many parts such as the input section, the pre-amplifier, the relay-based volume control, the output section and the front case profiles, complete with control processor and VFD screen.
Achieving absolutely outstanding results from combined devices – such as integrated amplifiers – is more difficult than from separate components, because both the sensitive pre-amplifier stages and the powerful output stages are required to share a common case.

This problem calls for great sophistication in design, and that is why our cases are sub-divided into separate compartments made of 10 mm thick aluminium plates. This construction provides highly effective shielding between the various sub-assemblies, and in this way our development team has succeeded in producing superb sound quality: the measured values, the specification and the power generated by the amplifier are at the limits of what is physically feasible from an integrated amplifier of this size. The components and materials are uncompromisingly first-rate, and the casework sets such high standards that it is superior to much more expensive equipment.

Technology

Like all HV machines, the PA 3000 HV is of consistently symmetrical, channel-separate construction. The pre-amplifier circuit boards with input section, the volume control and the high-voltage amplifier are located in the upper compartment under the case top cover; the symmetrical layout eliminates electromagnetic influences. The compartment consists of thick-walled aluminium plates, and is completely separated and shielded from the power output stages, the current and voltage supplies and the loudspeaker outputs in the bottom compartment.

The socket section on the back panel reveals the PA 3000 HV’s comprehensive connection facilities and rigidly symmetrical construction. There are four balanced inputs which can alternatively be configured as unbalanced types, plus two further unbalanced inputs and a recorder input. Input No. 4 can be operated in surround (pass-through) mode in order to use the power amplifier of the PA 3000 HV for the front channels of a surround decoder. For the pre-amplifier there is one balanced and one unbalanced output.

Two pairs of loudspeakers can be connected to the solid high-current loudspeaker terminals, which are made of pure brass with all surfaces rhodium-plated. H-Link (HV data bus), LAN socket, trigger input, RC-in for E-2000 and an earth terminal are also present. Since the momentary power drain can be very high, the machine is fitted with an oversized mains input socket. The de-coupled feet are adjustable, ensuring that the machines stand stably even on uneven surfaces. Der PA 3000 HV is supplied complete with the F 3001 infrared remote control unit. Upon request the P 3000 HV can be fitted with High-End phono pre-amplifier modules, which feature different circuit topologies for MM or MC pick-up systems. The analogue signal processor module developed to act as signal controls for the P 3000 HV is available for use with the PA 3000 HV and PA 3100 HV as well.

Pre-amplifier stage

  • Frequency response + 0 / – 3 dB 0,5 Hz –300 kHz
  • Signal / noise ratio 105 / 110 dB
  • Total harmonic distortion < 0,001%
  • Intermodulation < 0,001%
  • Channel separation > 90 dB
  • Nominal input sensitivity
  • High level (RCA) 7 x 250 mVeff ... 6 Veff / 20 kOhms
  • Balanced (XLR) 4 x 500 mVeff ... 12 Veff / 5 kOhms

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