Tag Archives: hifi

HighResAudio / MQA Wars Continue on HiFiPlus

HighResAudio are to stop offering MQA encoded files. Here is a link to an article on HiFi Plus: http://hifiplus.us11.list-manage.com/track/click?u=7c2c6adc5d8e2ef6eb0c411f0&id=5a140ac6f2&e=792bccbd1a

Posted in Construction, DACs & File Formats, DACs & File Formats, Gadgets, High Definition Sound, Media, Signal Source | Tagged , , , , , , , , , , , , , | Leave a comment

Dry Solder Joints

Some parts in a power amp stage get very hot.  The output transistors of course but also some of the resistors in the output stage.  After years and decades of getting very hot and then cooling and running through this … Continue reading

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Construction Starts

Construction of the first Bluetooth Portable HiFi has started.  I am working on the power supply build. The photos above show the banks of power supply capacitors, one for the positive rail and the other for the negative.  They are … Continue reading

Posted in Construction, Ghetto Blaster / Portable Music Player, Power Supplies | Tagged , , , , , , , , , , , , , , , , , | Leave a comment

A Henry Audio DAC is on its way!

Well, I just bit the bullet and ordered a Henry Audio DAC from http://www.henryaudio.com/. The review from HiFi+ can be found here: http://www.hifiplus.com/articles/henry-audio-usb-128-mk-ii-dac/ With so much over-priced snake-oil (or bollocks – to use the english term) on the market, it … Continue reading

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HiFi Amplifier Earthing / Ground

Don’t let anyone ever tell you it’s easy. In laying out the Kicad component footprints I have started to look at this area again – the phono socket earth ring, how does that connect to the PCB? There are so … Continue reading

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Amp Cabinet Re-design (again)

I have only just made the cabinet mock-up from a couple of blogs ago and the design has already changed again! Looking at vintage hi-fi on eBay (and occasionally buying one or two items) it occurred to me that an … Continue reading

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Front Panel Layout V2

It is very important to me to keep left and right channels symmetrical and with signal wires as short as possible. For this reason both the input selector switch and volume control need to be centrally aligned, this solving both … Continue reading

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