A question I hear a lot. Do I need to have my Valve amplifier biased? So What is Bias. Well to put it simply the bias of a Valve amp is set by adjusting the grid voltages to set the idle current of the output...
The Grundig GDS200/1 is one of the earlier digiboxes of its generation, its performance being comparable to that of the Amstrad DRX100/200 series. It is neither as sensitive nor as responsive as the Panasonic...
It has now been several years since small, portable video projectors came into the marketplace, and a number are becoming available on the second hand market. However, there are a number of pitfalls of which...
Thinking of fitting a wireless alarm?.....Have a read. This guide is an attempt to examine some of the advantages and issues related to fitting and managing wireless alarm systems . With the advent of digital...
These are my findings on various Garrard 301's and 401's that I have dismantled for relubrication.This guide is in response to inaccuracies that were on the Slatedeck website which they have kindly amended...
There are always a number of Martin Professional units for sale on Ebay. Some of these have been advertised as "DMX compatible" or "DMX Controllable", but depending on the age or model of the unit, this is not...
Sky Digibox History and Buyers Guide Sky Digiboxes have been around for circa 10 years now and it seemed appropriate to review the various types and generations of these boxes from various manufacturers. As...
Over the past couple of years, theft of satellite navigation systems has become one of thre highest rises in crime in the United Kingdom. Whilst many precautions can be classed a common sense, it is sometimes...
I bought myself a Garmin Zumo 550 GPS in December, and I'd like to share my experiences. This is a GREAT GPS especially as its nearly waterproof which I beleive is the only one on the market, the 550 comes...
So you think that when you connect your expensive £2000 amplifier onto the mains supply that you will have a source of infinite electrons that are perfectly clean and with a nice 50Hz sinusoidal waveform…...