mwalluk
New member
Re: NAD - Blackstar HT 40
did you buy it new or used. If new, really wont have to check bias unless you want to. should be prettyclose to factory settings.
for preamp tubes, you dont need to bias them. simple swap, pull out plug in. theyre cheap too, round 10-12 so you can have fun experimenting.
did you buy it new or used. If new, really wont have to check bias unless you want to. should be prettyclose to factory settings.
for preamp tubes, you dont need to bias them. simple swap, pull out plug in. theyre cheap too, round 10-12 so you can have fun experimenting.