trinityamps.com

Trinity Amps Guitar Amp Forum
It is currently Thu Mar 28, 2024 3:02 pm

All times are UTC - 5 hours [ DST ]




Post new topic Reply to topic  [ 3 posts ] 
Author Message
 Post subject: 6L6/6V6 switch question
PostPosted: Thu Apr 19, 2018 10:49 am 
Offline
Friend
Friend

Joined: Fri Apr 13, 2018 7:46 am
Posts: 19
Just about to finish up my tramp build, and have a question about this switch for my own curiosity.

Image

When ohming out the switch, the middle lugs, or lugs #2 in my pic are basically always on. So when the switch is in the up position, it is running lugs 2 and 3, which is only the 6V6 resistor (750r) , and when the switch is down it is running lugs 1 and 2, which will be running BOTH the 6v6 and 6l6 (750r and 560r) resistors
Image

Am I understanding this correctly?

Thanks guys!!

Dan


Top
 Profile  
 
PostPosted: Sat Apr 21, 2018 3:12 am 
Offline
Expert
Expert

Joined: Sat Dec 04, 2010 3:42 pm
Posts: 519
Location: Qualicum Beach, BC
That's right. In the 6V6 position only the 750 ohm resistor is connected to the output tube's cathode.

In the 6L6 position, both the 750 ohm and the 560-ohm resistor are connected to the cathode. They are connected in parallel which results in about 320 ohms. This provides the additional bias the 6L6 needs.


Top
 Profile  
 
PostPosted: Sat Apr 21, 2018 11:22 am 
Offline
Friend
Friend

Joined: Fri Apr 13, 2018 7:46 am
Posts: 19
Thanks for your response! The build has been going great. I have a 10 month old daughter so I've only been working on it 20 minutes here, 45 there, but its coming along and I just need to attach the leads to the board and fire her up.
It's been a great learning experience seeing all the stuff I've read about as something tangible.

I should probably wait to see if I did this one right but I'm already planning my next build haha


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 3 posts ] 

All times are UTC - 5 hours [ DST ]


Who is online

Users browsing this forum: No registered users and 18 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group