WebThe MaxiMatcher II tests up to four tubes at a time, and has a separate extra socket for short circuit testing. Easy directions for use are provided right on the inside lid and the … Web8 apr. 2024 · Vintage Tubes & Tube Sockets; Share Add to Watchlist. ... Sponsored. $69.99 + $6.40 shipping (1) NOS/NIB Strong Testing Match Pair Of RCA 12AY7 Audio Tubes. $21.50 + $6.95 shipping. One RCA 12AY7 Tube NOS NIB Grey Plate Support Rods AMPLITREX & TV-7 Results. $39.95 + $3.66 shipping. EL34 JJ Maximatcher …
Maximatcher test and match vacuum tubes for superior audio …
Web26 dec. 2024 · The maximatcher matches at 400 plate volts which will be good for most amps. If your amp has 450-500 plus they will probably not be matched because the maximum PV for matching on the unit is 400 volts. In order to have tightly matched tubes you need to match them at the higher plate voltage you will be using them in. WebYou are buying a very high quality maximatcher 2 preamp tube tester that has been used a handful of times and comes with the original box and basically still new.This also comes with a couple 100 dollars worth of adaptors for test 6sn7 6sl7 6dj8 6922 7308 etc.I have way to many tester including the new amplitrex 3000 AT1000 bunch of hickoks tv7d/u … is mali an arab country
Testing a balanced rectifier on a tube tester
Web24 jan. 2013 · The best way to test a tube is at the plate voltage that it will see in service. That's why may say that the best tube tester is the amp itself. All but a couple of testers operate at relatively low plate voltage … Web29 mei 2024 · It's a very good tool to have and i sorted all my tubes into closely matched pairs as possible, would love the preamp one also, but couldn't justify buying it new from the states. Your best bet is to find someone local with one, who you can rent off for a couple of days, or get the owner to test them for you. Good luck Web26 apr. 2024 · Power tubes can test fine on a tester but may end up being out of the proper bias range on your amp. Another possible issue is that you lost negative DC bias voltage at pin 5 on that half of the pair. With the power tubes removed, check the DC voltage at pin 5 on all power tube sockets. is mali a developing country