The Amp Garage

I just did a speaker swap 2 nights ago.I have the faulty vactrol jumpered while I wait for the new one. I had an eminence governor and couldn't get a goo low end.I removed it and installed an eminence Texas Heat I had.Wow! Awesome sound! Mike soldano had told me he liked this speaker.It along with t...

Lol!!! Good thing the customer wasn't in a hurry!!!

For those who care…
I can't believe it's been this long…time sure flies…
The weird ringing noise after about 10 minutes was heat related for sure and…wait for it…it was one of the vactrols…..yee haw !!!

Mario

I have some waveforms for study.I show the settings of the amp in the first photo.The 2nd,is the master volume at 0.The 3rd is the master at 5.The 4th is the master at 8.The 5th is the master at 10.I am inputting 1 KHz(channel 1,top wave). The bottom wave is taken from a dummy load resistor bank con...

Just want to bump.I know the middle of the video is a racket,overloading the camera.The first 30 seconds,you can really hear the ghost notes.Anyone ever encounter this and if so,what did you find ?

Mario

Still interested Dana !

Mario

Can't wait !!

Mario

Sounds great Dana !
I'd like all the major parts(boards,chassis,front panel,xformers,tubes and sockets),I can mouser the components(especially with your recommended list).

Mario

Any ideas Roberto?

It was there from the beginning.I was hoping that when I worked on the amp,I would stumble across it and fix it.
Mario

Sorry about that Roberto!! I just changed it to public.

Mario

Hi everybody ! Been busy all summer.I did a quick clip of the noise the amp makes when playing single notes.The "ringing",extra note is also there on the clean channel.I apologize for the racket,when I played chords on the drive channel,the volume was too high for the camera mic.Turn down your speak...

Chopstuck,

I also changed the speaker.Mike Soldano told on a phone conversation that the amp was designed with V30's in mind.I put in an Eminence Governor(similar with less shrill).This make a HUGE difference in sound with this amp.Good or Bad is up to you.

Mario

Resonance mod pic.