You could buy a small multimeter and re-bias the tubes. Look up the proper voltage for your tubes and amp online.
Tube match problems
Hi Everybody
I’m new here and would like to ask for your help.
I got VTL power amp with 6l6 tubes. They were perfectly match. Unfortunatelly when I was recently moving, took out tubes and forgot to mark tubes against sockets. Now I’ve connected back whole my set up, most luckily tubes in wrong sockets, it doesn’t play as it was. I don’t have tools to check bias and it really difficult to find any place dealing with tube amps in my city. Any ideas to solve this issue, which makes me crazy :(((
I’m new here and would like to ask for your help.
I got VTL power amp with 6l6 tubes. They were perfectly match. Unfortunatelly when I was recently moving, took out tubes and forgot to mark tubes against sockets. Now I’ve connected back whole my set up, most luckily tubes in wrong sockets, it doesn’t play as it was. I don’t have tools to check bias and it really difficult to find any place dealing with tube amps in my city. Any ideas to solve this issue, which makes me crazy :(((
29 responses Add your response
| Post removed |
Best tool ever...... http://www.vhtamp.com/products/vht-accessories/tube-tester-2 Worth every penny. You can plug a DVM in to verify the analog meters accuracy. Analog meters can be calibrated, mine were dead on from the factory though. You don't have to use test points or speaker terminals. Makes it much safer to bias. |
http//www.audiocostruzioni.com/r_s/ampli/amplificatori/vtl-stereo-45/stereo%2045%20vtl%20222.jpg my amp is similar to this one and I cannot see test points on it. Does it mean, I have to strip the amp? |
I had a VTL Stereo 50 and it has external bias points. The voltmeter's positive probe goes in the test point and the negative probe goes in the negative speaker binding post of the channel you are biasing. https://vtl.com/support/tube-biasing/ |