EL34 Vs 6550 Power Tube Comparison

An example would be a 6H30Pi tube that test 14.3/15.5 for gain. New 8x electro harmonix gold 6h30pi matched octet / eight tubes eh free ship comes with original packaging straight from the factory, as shown in the picture. We all know that swapping out tubes can be one of the more effective ways of improving your tone.