Above is the basic application diagram of the TL431, including bypass capacitor C2 which reduces gain and noise at above DC. The input dropper resistor is replaced with a fixed current source of 30mA, ...

Amplifiers are a good second hand buy. The only moving parts are the switches and potentiometer so wear in this area should be very easy to spot. Just switch the amp on and with nothing playing but ...

In the first installment of this series we had a look at the noise generated at the output of a number of easy to build and cheap voltage regulators: single-chip series and shunt regs (LM317/337 and ...

Recently there has been quite a discussion on the TNT forum regarding bass performance. One correspondent asked whether a piano got down as low as 50 Hz and it made me realise that most of us don't ...

The Linn Mjik is an integrated amplifier with 33 watts per channel (@ 8 Ohms) and the unit I'm going to tell you about was equipped with a phono board. Aesthetically the Majik is very similar to the ...

Boy, this one takes me way back. At the time this album was in heavy rotation in my system, I was working outside of my home state of Missouri doing contract engineering and design work for a small ...

Trends has become quite well known for their quality mini-hi-fi that sells at budget prices. I've now reviewed their USB DAC, pre amp, and power amp, while Lucio reviewed their integrated amp. You can ...

DIY projects for building audio and HiFi cables. Interconnects, digital, power and mains cables plus general theoric articles. All the projects are FREE and NOT FOR SALE.

I auditioned a number of CD-Players, before buying my CD-67 SE. I felt that of all the CD-Players in question (which shall remain unnamed) it offered the most music for the money. Having lived with ...

A while ago I was in need of a new Phono Pickup Cartridge. Having stayed for a long time with such budget favorites as the Cambridge C-77 and a nice NAD 9100, I was not going to shell out for a Koetsu ...

This is the first time we are reviewing a NuPrime product but, actually, we've been following Jason Lim's (NuPrime co-founder) career since his early days at NuForce. In 2014, Jason bought the assets ...

£500 extra buys the £2799 Thorens TD1601 over the £2299 TD1600. This £500 buys an optical sensor arm lift. "£500 for an end of side arm lift?" Demand Plebs, stage left, "Surely that's a lot of dosh to ...