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...
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...
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...
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...
Hi..I have owned many Audio Innovation Series amplifiers and others in my time on my quest to find a valve amp that I like the sound of and to date still own a pair of Audio Innovations S1000G - Mk3 "Gold...