Free UK DeliveryFinance at checkout30 Day ReturnsWorldwide DeliveryAudio Affair Facebook

Normal shipping

Naim NAP 500 DR Reference Power Amplifier


. 0 Reviews . Write a Review

Enquiry/price check? Click here SKU: 6496
Ex VAT: £18,332.50

Naim's reference power amplifier, sitting above NAP 250 DR and NAP 300 DR and delivering performance that far exceeds both. A perfect match for the NAC 552 pre amplifier, with ND555 streamer and 555PS DR. Please contact us to arrange a demonstration.

Available. To discuss, call 0121 224 7300/7401

Condition: Brand new in original retail packaging

Earn 21999 loyalty points when you order this item.

This is a click and collect item. Due to agreement with the manufacturer, this item is sold based on your geographic location and has to be collected from our Birmingham UK showroom. It can not be shipped. Continuing to order this item through the basket is acceptance you agree to collect from our showroom by prior arrangement.

Send us a message now

Do you have any questions on this item you'd like us to answer? Or have you seen it cheaper elsewhere and would like us to see if we can beat it? Send us the details below and we'll come back to you quickly (usually within 24hrs, sooner during opening hours)


Power Per Channel (8ohms) 100W
Warranty length 3 Years (5 Years on parts after registration)
Colour Black
Brand Naim Audio

Tech Specs

- Analogue Inputs: 2 x XLR
- Input Impedance: 18kΩ

- Gain: +29dB
- Frequency Response: -3dB at 1.5Hz & 100kHz

- Speaker Outputs: L & R, 4mm “banana” sockets
- Power Output: 140W/channel, 8Ω
- Transient: 700VA

- Power Supply Options: 500PS

- Dimensions: 160 x 432 x 374mm (H x W x D)
- Weight: 25kg

- Front: Brushed and black anodised
- Case: Brushed and black anodised

Product Description

Naim NAP 500 DR Power Amplifier (available on 0% finance) is the latest version of Naim's flagship power amplifier, rated at 140W per channel. After seventeen successful years at the top of Naim's amplifier range, the NAP 135 was eclipsed by the flagship NAP 500.

Flagship design

Naim's design brief for the NAP 500 required an amplifier that could drive any load down to 2 Ohms for prolonged periods, deliver over 100W into 8 Ohms and sound - at the very least - as good as our reference at the time, the NAP 135. Needless to say, every aspect of the NAP 500's sound quality is truly exceptional. The Naim NAP 500 includes the 500 PS Power Supply, Power-Line Mains Cable and Burndy interconnects.

From an early stage of conception it was decided to use bridged amplifiers for each channel of the NAP 500. This allowed the design to have maximised open and closed loop speed, less intrusive protection circuitry and reduced interaction between input and output signals as the very high drive currents to the loudspeaker do not flow through the system earth.

Naim's finest power amplifier

Apart from the Naim Statement which costs well in excess of £200,000, the NAP 500 is Naim's finest power amplifier. It sits above the legendary latest incarnation of the NAP 250 DR and NAP 300 DR models and in pure cost terms is incredible value when you consider the cost of the flagship Naim Statement amplifiers.

All new circuit topology has been developed to maximise bandwidth and reduce distortions and power supply dependency. Also, special attention has been paid to reducing thermally-induced noise, an especially important consideration in power amplifiers. A variable speed intelligent fan system provides discreet extra cooling if needed.

We highly recommend using this power amplifier with other Naim reference level components such as the matching NAC 552 pre amplifier and we highly recommend arranging a demonstration to hear these together if you are in the market for a reference level Naim Audio hi-fi system. Please contact us to arrange a listen.


We are here to help find the right system for you. As a suggested starting point, you may want to consider partnering the NAP 500 with the following:
Separates System:

- ND555
- 555PS DR
- NAC 552


To avoid the compromises implied by the use of multiple sets of output devices, either in totem-pole or parallel configuration, the search was on for a very special output transistor. A bipolar transistor with a specific combination of very high current, power rating and bandwidth was needed, far in excess of anything available to Naim before. A suitable output device was eventually developed after six years' collaboration with a semiconductor manufacturer.

Naim has always understood the importance of reducing supply-induced intermodulation distortions and mains harmonic electrical noise from an amplifier, and has always used regulated supplies in its premier amplifiers. It was considered likely that improvements in these areas would yield further large gains in performance. Each channel of the NAP 500 includes ten stages of local regulation. To reduce interference from the mains supply further, the transformer and first stages of the power supply are in a separate enclosure (the same size as a SuperCap), which provides twelve raw D.C. supplies for the power amplifier. Hence, the NAP 500 system consists of two boxes, a stereo amplifier and a separate power supply.

The performance of the finished amplifier exceeds the design brief in all areas. Power output per channel is over 140W into 8 ohms and compared with the NAP 135, which in itself already provided exemplary measurements, the NAP 500 has five times the internal bandwidth, a quarter of the distortion and a one hundred times reduced operating noise floor.

Write Your Own Review

Write a Review

  • 1 star 2 stars 3 stars 4 stars 5 stars
    1 Star 2 Star 3 Star 4 Star 5 Star


Contact Details

UK Local Rate Number
0844 50 403 50

Sales Landline
0121 224 7300/7401

Customer Services Landline
0121 224 7350/7351

As Featured On

Featured In

Mobile Site

Copyright © Audio Affair (Alexander Michael LTD) 2006-2020. Vat No. 913183835. All rights reserved.