Lot of Four Vintage Made in USA Assorted Tubes, Satisfaction Guaranteed.
RCA & Amperex (made by GE) 6AQ5/6HG5, RCA 5763, GE 5663
Tested on a Precision Apparatus Model 10-12; where the minimum good reading is 54.
Tube #1 = 60, Tube #2 = 54, Tube #3 = 63, Tube #4 = 72.
Currently there are no reviews for this product. Share your opinion with others, be the first to write a review.