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I recently to a major leap of faith and sold my trusty digital companion of 17 yrs. The pcm1704  dac served me well. But it was time for change. I feel the dac reached its limit and i wanted more. Enter the soekris. Fantastic piece of raw engineering and stock it sounds pretty darn good. But we...

After 3 years in development the vanguard power amp is reaching maturity. As promised we will have a demo amp available soon. Pictured here is the demo amp in its final stages of completion I am very proud to say that we sold 5 of these amps already

I really didn't think I will have enough time to finish projects during lockdown so Cyril gave me another two weeks to execute. you got to be positive about these times. I already build my vanguard and an instrumentation box but this one was the one I been looking forward to. it follows on a amp...

This amp has been in the making for a few years now. having had developed a few amps over the last decade I really didn't have a great urge to do this one as I knew how much energy and money goes into the development of such an amp. but a few people convinced me to actually do something about...

Fullrange Assisted Sub + Tweeter Technology got a two sets of these I am building morel bass dayton FR Dayton tweeter crossover 250hz 5000hz box material birch plywood 19mm pile of splinters ready for endgrain lamination

after selling the open baffle speakers i have been on a mission to find the next audio project that will keep me busy for a while. so not having anything decent to listen to i started playing with the speakers in my garage and building various designs for them but with all of them i missed...

this holiday was like no other. i had to much time on hand and very little money to spend after our trip to Australia. the kids was driving me mad with boredom. i had to escape. thank goodness for my workshop years ago I bought this very cheap kit on ebay. a 6n3 buffer stage with a TDA 7294...

New 50 to 100 MHz oscilloscopes have professional-level functionality, software analysis Keysight Technologies have today announced the InfiniiVision 1000 X-Series oscilloscopes. This new low-cost oscilloscope series, with a starting price of approximately R7000* has 50 to 100 MHz models that...

I have had a chat to one of the biggest suppliers of quality test and measurement equipment in the country and they have agreed to host a second hand test and measurement group on facebook. so please join and share or add member as you see it being of particular interest to yourself or somebody...

Atjan is leaving us behind in the sh it Good luck in Australia

plenty of the 400va 35-0-35 transformers have been sold but only have been used what do you want to do with them? what would like to see on the amp of your choice :dop:

just to build on a small tradition on a DIY amp building. first he KidNAP then the upgraded T-rex. i have the next version available. still  using much of  the same topology as before as it is very  simple and cheap to implement with very little chances of blowing things up the design...

So you bought that nice piece of secondhand electronics online and you are super excited about it you open it up and you are hit with the sour stale smell of the previous owners extremely disgusting habbit HOW DO YOU GET RID OF THAT BLOODY SMELL? :Ooooooh: :facepalm:

On the surgery table i have a very rough RS Anihilator These were very popular amps in the 80s and 90s and offered thousands of people with quality amplification at a very reasonable price. But the truth is that its full potential have never been explored in the conventional build. It does...

I have revived the opamp based phonostages - MM got a new super quiet shunt regulated power supply same as the MC stage - also you have three loading options MC also have a super quiet power supply with its own transformer - six loading options and three gain settings

I recently took ownership of these beauties. didn't think much of them when i bought them. but after a good service, i was gobsmacked. old but my goodness what a special sound. Anybody else have experience of them? will post pics of the actual units when i have a gap to take pictures. Thoebe...

Happy birthday Attie. Hope you were spoiled properly. I know that your wife broke the mold set a new in the way of presents

Recently I had the opportunity to listen to a few entry level digital amps and all i can say. i have to change my view on them. Digital amps never impressed me since there first appearance. normally very dark, good in the bass but flippen lifeless, there was a few good ones like the Belcanto...

i did some in room measurements of a very famous highly regarded speaker recently. but was a bit taken aback when i saw the following, apart from the extreme suck-out in the mids. the left speaker (blue) has a much higher distortion than the right speaker. top line is FR and bottom line is...

no longer available but i have a pair. beautiful mid bass and very well build C15-500LF WOOFER MODEL C15-500LF Specifications Nominal Basket Diameter 15" Impedance 8 ohms RMS Power Rating 500 Watts Program Power 1000 Watts  Frequency Response 30Hz - 1.2kHz Sensitivity (1W/1m) 97dB...