mbmi
589 posts
The best is AUDIO-GD Tube preamp. They are very musical and a great value.
koestner
677 posts
Underwood Hi-fi offers a real warranty if you buy Audio GD through them. They fix it in Georgia, US.
I have a friend in Chicago that loves his Audio GD that he bought from Wally. However, he has also told me that it only performs optimally with a balanced amplifier as it was designed for balanced operation.. My amplifier(s) are single ended only.