It is currently Mon Mar 16, 2020 4:08 pm

All times are UTC - 7 hours



Post new topic Reply to topic  [ 1 post ] 
Author Message
Post subject: Need advice on my new amp please
Posted: Tue Feb 07, 2017 7:00 am
Offline
Hobbyist
Hobbyist

Joined: Tue Feb 07, 2017 6:51 am
Posts: 1
I got a new Fender 1968 Custom Deluxe Reverb (Silverface) amplifier for Christmas.
I love the amp. I was playing it the other day, when the light went out in the panel.
I checked the fuse and it was blown. I replaced the fuse and it blew again.
I removed the power tubes and rectifier tube, and replaced them all with new tubes.
I put in a new fuse and turned the amp on and all was well.
Then I got out my bias probe and found that I could not get a reading from one of the power tubes.
I put the probe on the other power tube and got a reading so I set the bias at 20.2 after checking the
plate voltage which was 413.
I couldn't understand why I could not get a reading from the other power tube,
as I had checked them both in the past.
After doing a bit of research I concluded that when the power tube went, it blwe the fuse and blew the
screen grid resistor for that tube.
So my questions are:

1. Is that something I can do myself? (I can solder)
Note: Although the amp is under warranty, the closest repair center is an hour away.
2. I can play the amp, and both tubes glow slightly. How much would this blown resistor effect the
overall tone of the amp? (Don't notice anything unusual right now in terms of tone).
3. If I wanted to do it myself, what value resistor would I use?

Thanks for any input you guys can provide.

Len


Top
Profile
Fender Play Winter Sale 2020
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 1 post ] 

All times are UTC - 7 hours

Fender Play Winter Sale 2020

Who is online

Users browsing this forum: No registered users and 2 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

Search for:
Jump to: