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Experience the ultimate music listening pleasure with this high-quality Yamaha Natural Sound Stereo Amp AX-592. This powerful integrated amplifier delivers exceptional audio performance and is perfect for any home audio setup. Designed with precision engineering and superior craftsmanship, this amplifier will bring out the best in your music collection. With its advanced features and reliable performance, the Yamaha AX-592 is a great choice for anyone looking for a high-quality stereo amplifier. Yamaha has an uncommonly long tradition in manufacturing musical instruments, dating back to 1862. With that kind of background, which few audio manufacturers can boast, one expects products a cut above the average from such a company. Mode AX 592 boasts a nominal power output of 100W per channel into 8 Ohm loads, and there are claims of substantial impulse power outputs into difficult loads. In fact, on the back youll find a switch which sets the unit for easier (6 Ohms or greater) and more difficult (below 6 Ohms) loads.DescriptionThe front panel is uncommonly simple and uncluttered. On it, youll find just what you might need on a daily basis - power on/off switch, speakers A and B (and A+B) switches, input selector, volume control and not one, but two bypass switches. However, looks can be deceiving - if you flip down the control panel, youll find the other controls. From left to right, you have bass and treble pots, a subsonic filter, balance control, loudness pot and a Rec Out control. The loudness pot is and has been for decades now a Yamaha special. It is not a simple switch, with an on and off position, using predetermined values, but a potentiometer. It works like this - instead of simply accenting the bass and treble (typically +8/+3 dB at 1W), it in fact starts to decrease in volume the midrange, bass and treble, this producing two effects. On one hand, it acts as a variable muting, and on the other hand, it does provide a user controlled loudness contour curve. Very neat, and an intelligent solution, if youre into that kind of thing. The subsonic filter is not your usual cheapncheerful affair, but a serious one, with a cutoff frequency of 18 Hz and a slope of 18 dB/oct, a real boon for turntable owners. Speaking of which, an MC/MM input is provided, as is the headphones output on the front. Also on the back, youll find the usual U-shaped pre-main couplers, input and output RCA connectors of reasonable quality, while the CD input jacks are gold plated. Speakers use binding posts, and pair A, presumably your main pair, uses really heavy duty binding postsInside, youll find a very substantial power transformer, which accounts for much of the units 12.9 kg weight; it looks solid, it feels solid and its as quiet as a doornail even at full power. Yamaha uses what it calls thick wire technology, which is a fancy way of saying that their jumpers use really thick wire, not the usual thin-as-a-hair wiring. Despite the sheer number of components used, the inside is about as orderly as it can be for classic manufacturing methods, i.e. without using more advanced technology, like SMD. Note the two reasonably sized heat sinks. Speaking of the power amp section, it uses two pairs of transistors for its power delivery per channel - these are 2SA1694 (PNP) and 2SC4467 (NPN) transistors. They are described as 120V/8A/80W/20 MHz devices in catalogs - not exactly generous for the given power output, Id say. Note the standard tolerance but metal film emitter resistors - another surprise.On the other hand, there is an unusually large number of high and very high quality capacitors inside, to the main power amp capacitors, which in this case are Elna for Audio units, rated at 12,000uF/63V. Generally recognized as very good components. The bridge rectifier is a very substantial 20A unit. While the power amplifier circuitry is all discrete, the preamplifier is a typical product of hybrid technology. It uses both discrete transistors and integrated circuits. So, the MC pre-preamp uses low noise transistors, and practically everything else generally uses ICs, including the switching, which uses typical SMOS switches. The preamp is a separate board, with additional boards for volume and selector, and another for tone controls. Another nice touch is the provision of three convenience power outlets, all of the switched - this does make life more convenient, as their total rating is 100W, more than enough for a CD player, a tuner and a say cassette deck. Back to not one, but two bypass switches. The first, labelled Pure Direct bypasses everything except the input selector and volume control, and the other, labelled CD Amp Direct further bypasses the input selector as well, but works only for the CD player.Overall soundOverall, the Yamaha AX 592 is a good product, above average for its price category in several respects. It has a prodigious amount of power at its disposal and is not at all miffed by even difficult speakers - good in any case, astounding at this price point.[From https://www.tnt-audio.com/ampli/yamaha592_e.html][manual can be found here: https://jp.yamaha.com/files/download/other_assets/9/335629/AX-592_e.pdf][missing remote]
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