An explosion of Naits

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An explosion of Naits
Wednesday, June 26, 2013

Naim is revising all three of its Nait integrated amplifiers to coincide with its 40th anniversary. Nait 5i becomes 5si at £925, Nait XS gains a 2 for £1,595 and the Supernait does the same for £2,750.

 

NAIT 5si

The power output has increased from 50W to 60W due to a larger transformer and improved power supply. Components have been upgraded in critical areas such as the power amp stage where small signal capacitors have been changed to high quality film types. The PCB layout and wiring loom have been improved following experience on other new products such as the DAC-V1.

 

NAIT XS 2

The power output has increased from 60W to 70W due to a larger transformer and improved power supply. The headphone output on the front panel is now on a ¼ inch (6.35mm) socket and is driven from a new high-quality Class-A headphone amplifier; reflecting the increasing interest in high quality headphone playback.
Constant current source circuit techniques are employed to provide ultra-quiet drive signals for relays. Ceramic heat sink isolators are used to improve sound quality as there is less capacitive coupling between devices and the chassis in the power and preamp sections. Components have been upgraded in critical areas such as the power amp stage where small signal capacitors have been changed to high quality film types. As with the NAIT 5si, the PCB layout and wire looming have also been improved.

 

SUPERNAIT 2

The most significant change from SUPERNAIT to SUPERNAIT 2 is the removal of the digital inputs. As the SuperUniti already fulfils the role of integrated amplifier with digital inputs, it was felt that it would be more beneficial to performance to concentrate on an analogue only integrated amplifier. Removing the digital section also allows the power supplies to be further optimised for the analogue stages.

Power output remains at 80W but with significantly greater dynamic capability due to a larger transformer. The power supply for the critical preamplifier stage uses Naim DR (Discrete Regulator) technology. All inputs are now hand wired so they are individually decoupled for improved microphonic isolation. Components have been upgraded in critical areas such as the power amp stage where small signal capacitors have been changed to high quality film types. The PCB layout and wiring loom have been improved following experience on other new products recently like the DAC-V1.

The headphone output on the front panel is now on a ¼" (6.35mm) socket and is driven from a new high-quality Class-A headphone amplifier; reflecting the increasing interest in high quality headphone playback.

Constant current source circuit technique employed to provide ultra-quiet drive signals for relays. Ceramic heat sink isolators are used to improve sound quality, as there is less capacitive coupling between devices and the chassis in the power and preamp sections.