Naim Audio NAIT XS Mk3 Integrated Amplifier
In the six years since the last NAIT integrated amplifiers were released, the Naim research and development team have worked on a range of amplifier improvements.
The result is upgraded power amplifier sections for NAIT XS 3, delivering greater pace and intimacy to their musical delivery – whether it’s driving a pair of loudspeakers or your favourite pair of headphones.
The NAIT XS 3 has received significant performance upgrades, including a built-in phono stage, making it a perfect partner for turntables, as well as for streamers, CD players, or any other music source people want to enjoy with the signature Naim sound.
The NAIT XS 3 offers much of the performance of the Naim reference quality SUPERNAIT 3 in a simpler, slimmer package combining a 70W power amplifier with five analogue inputs plus a phono stage. Its high-performance preamplifier stage is as transparent as you would expect from a Naim Audio amplifier, and it also shares the single-ended class-A headphone output of its larger sibling.
The NAIT XS 3 can be upgraded with Naim external power supplies, power amplifiers and even cabling upgrades to get the best from all sources.
Technology & Craft
The upgrades in more detail:
The Naim R&D team has found a way to more than double the speed of the voltage gain stage, which in turn doubles the rate at which the speaker output stage can react.
The second gain stage transistors have been optimised, so they no longer need to be shielded by a cascode stage transistor. Removing the cascode means less amplifier stabilisation is required: that doubles the slew rate and delivers another uplift in sound quality.
The phono circuit topology comprises 3 stages: the gain stage, passive equalisation and final gain and active equalisation. This enables excellent noise performance, extended RIAA equalisation beyond the audio band and great overload headroom.
All RIAA equalisation capacitors are ‘through-hole’ mounted film designs, with low microphonic pickup and excellent transient performance. As phono stages are 1000x more sensitive than other inputs, this greatly benefits the sound quality.
Input impedance is 47kΩ in parallel with 470F capacitive loading; the gain is perfect for 5mV moving magnet cartridges.
MM Phono Input
via RCA, 47k parallel 470pF input impedance, suitable for 5mV cartridges
Line Level Inputs
130mV sensitivity, 47k input impedance, suitable for 2V
Power Amp In
Powered Accessory Sockets
+24V for Naim phono amplifier
70W per channel into 8 ohms (4mm sockets), 100W per channel into 4 ohms
Line Outputs Variable (level)
Pre-amp (DIN), Bi-amp (DIN), Sub (RCA pair) 775mV, <50 ohms Line Outputs Fixed (level)
AV (DIN), Stream (DIN) 130mV, 600 ohms
1/4 inch (6.35mm) TRS Socket
Power Consumption (max.)
115V, 230V; 50 or 60Hz
Power Consumption (quiescent)
200 x 590 x 500 mm
70 x 432 x 314 mm
Volume control and front panel buttons
1 x USB mini-B
1 x 3.5mm Jack on rear
Black powder coated
Brushed and black anodised
NARCOM-5 Remote Control, Mains Lead, Link Plug and Safety Manual
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