Chinese valve or tube amplifiers - are they any good? Well, I've tried out 2 of them from Hong Kong and the answer in a nutshell is they are absolutely brilliant and easily beat much more expensive transisitor...
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...
Voc Rock Guitars Audio Reviews on ECC83 12AX7 Pre amp tubes. Essentially there are only 3 major tube manufacturers remaining in the world today. We decided to put the 3 most popular tubes manufactured by these...
As far as electronic organs go, in my opinion Hammond Tonewheel Organs are the best The story starts in 1967, when I first saw "The Nice", who became "Emerson, Lake Palmer" later on.A necessary step I suppose...
I don't usually get on my high horse, but I keep on seeing various eBay items that explain how to service your own valve amplifier, etc. Note: For anyone who pooh-whos this and chooses to ignore what I am...
Vintage Guitar Valve Amps Over the years and due probably to some kind of cognitive disorder I have bought, sold, owned, swapped and broken many old valve guitar and bass amplifiers. I am not qualified in any...
As most of you reading this guide will know, alot of people who own Audio Innovations EL34 valve based amplifiers wonder what all the fuss is about changing the EL34 valve to a 5881. The Reason ? Simple...
Some of the most common and not so guitar and music terms, definitions and jargon arranged alphabetically. This explanation guide has info from beginner to intermidiate guitarists in the quest for more musical...
Heres how to test that old valve amp you found in the attic. Why, just find the nearest mains socket and plug it in! See the lights come on therefore it works! Its obvious isn't it? - but not so obvious is in...
The chinese are turning out some scarily good amplifiers for peanuts these days. So what is the catch? The main thing to watch out for are 220 volt versions. These are not suitable for use in the UK, although...