Group Test: Budget AV receivers

When it comes to AV receivers, features are all-important and even today's budget priced models offer an assortment of functions that were once reserved for the high end only. For less than £500 you can still expect to find up to seven channels of amplification with the latest integrated surround processing and decoding - while the widespread inclusion of automatic calibration systems means that installing your system is no longer as daunting as it used to be. Connectivity is equally important and since the mainstream arrival of high-definition, all of these receivers feature HDMI connections that will support HD signals and allow convenient video switching - while some will even upconvert the quality of your standard video sources. High-definition audio is also on the horizon with the latest HD discs carrying enhanced surround formats like Doblby Digital TrueHD and DTS Master Audio. Only one of these receivers has the ability to internally decode these new formats - but as there are still only a few compatible players it's not a deal breaker. Overview Price: £350 More info: Cambridge Audio Size: 150x430x350mm Weight: 10kg Power rating: 6x80W Surround modes: Dolby Digital/EX, DTS/ES-Matrix/ES-Discrete/Neo 6, Pro Logic II Video inputs: 2xHDMI, 2x component, 2x S-Video, 3x composite Audio inputs: 5x phono, 6.1 multi-channel, 4x optical, 4x coaxial Video outputs: HDMI, component, S-Video, composite Audio outputs: Phono, 6.1 preamp multichannel, optical, coaxial Cambridge Audio Azur 540R v3 The latest incarnation of Cambridge Audio's Azur 540R carries the same design but with a few extra frills to keep up with a competitive market - although there are still some features absent compared to its test rivals. For instance, there are only six channels of amplification and no automatic calibration system, video up-conversion or integrated decoding for high-definition sound - although it does accept already decoded HD formats using 6.1 analogue inputs. What has changed from its predecessors is a redesigned amplifier stage that claims to reduce interference. And, there's now HDMI connectivity with two inputs and one output that allows video switching between compatible sources. Setting up the system manually is time consuming but the intelligently arranged remote and basic menus are simple to use. There's also a complete range of advanced adjustments including a comprehensive Bass Management system that allows you to customise the level and crossover for individual decoding formats. The sound is surprisingly powerful with extensive dynamics that create an energetic and truly involving performance. Surround film scores carry plenty of dramatic impact with tightly controlled bass levels and accurate effects steering. It's reasonably composed even at high volume levels and dialogue is especially well separated and distinct. But, while there is all the drive you could ask for, fine subtleties can get lost amid the excitement. The Azur 540R v3 is an enthusiastic receiver that will enliven practically any soundtrack you care to play - but some may prefer to have access to more features, which can be afforded for around the same price. Verdict Plus points Competitive price, easy to use, dramatic sound Minus points Sober design, lack of features, subtleties can seem overwhelmed

Overview Price: £450 More info: Denon Size: 171x434x383mm Weight: 11.4kg Power rating: 7x85W Surround modes: Dolby Digital/EX, DTS/ES-Matrix/ES-Discrete/Neo 6/96/24, Pro Logic II/X Video inputs: 2xHDMI, 3x component, 3x S-Video, 4x composite Audio inputs: 7x phono, 7.1 multi-channel, 2x optical, 2x coaxial Video outputs: HDMI, component, S-Video, composite Audio outputs: 2x phono, 7.1 preamp multichannel, optical Denon AVR-1908 Denon's AVR-1908 is the most fully featured receiver from the company's budget range, although it's still more expensive than its rivals here. Paying a little extra does afford you an immaculately constructed design that gets our vote as the most stylish and attractive receiver in this test - while the accompanying remote is also more user friendly than most. The range of features compares favourably with most of its competitors and includes 7x85W power amplification and comprehensive connectivity with Full HD video switching using the latest HDMI 1.3a inputs and video upconversion to component. But there is no integrated decoding for high-definition audio formats, although its absence is largely irrelevant at this time. On screen displays have been graphically enhanced and are easy to navigate while there's also a decent automatic calibration system supported by the latest Audyssey MultEQ - it takes a while to set up but is far easier than doing it manually and the adjustments are reasonably accurate. In action, the Denon delivers a detailed and poised performance that doesn't ignore subtleties and always remains in control. Excellent integration and precise steering of ambient effects produces an immersive presentation, which is ultimately very easy to listen to. However, there are models like the Cambridge Audio that offer greater dynamic depth and excitement while the Denon can occasionally sound restricted during explosive scenes. The lack of drive sadly also extends to stereo soundtracks. The AVR-1908 is a beautifully built and decent sounding receiver, especially if you like Denon's smooth natured approach - but there are other models that offer more performance and features for a lower cost.

Verdict Plus points Beautifully built, user friendly, detailed and immersing performance Minus points Comparably expensive, not as exciting as some

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