Disassembly and reassembly step by step manual.
Clean the contacts
Wires braided fabrics are replaced with wires in plastic coated brass.
This kind of renovation demand a sense of space saving in the frame when placing the wires.
Capacitors are obviously replaced.
Easier said than done.
Results are great :
Real "Old Sound" brought up to life fifty years later.
Complete Technical Details and List of Modifications :
"Bassman amp Silverface export", AC568 circuit, good condition for its age estimated at 45 years - between 68 'and 71'- (The Chart tube label has unfortunately disappeared with time).
Power tubes biaised cathode tubes and balance control.
Possibility of future development towards a blackface circuit for a bit more power and control biaising 6L6, but this amp works well and with a generous sound.
Impeccable low volume too. A little breath like any Silverface but nothing aggresif ear.
Excellent for bass, guitar, very stable also with bass and guitar simultaneously connected.
Takes very well coming into effect.
List of modifications :
Complete restoration Cleaning cab '. Re-sizing tolex, neat painting fitting.
Circuit cleaning, switches, brass plate, jacks, sockets and pipes potetiomètres.
Changing all éléctrolythiques capacitors (10 components).
Change some hardware pieces.
Change power cord.
Wrist new transport.
Buttons new potentiometers.
New Silent rubber blocks.
Changing power tubes TAD for STD.
The original preamp tubes are still perfect.
It seems, very little used and been stored for many years.
Full adjustment, low-volume testing, high volume over time.
Not sure about copyrights, i removed the video.
All restaurations and technical skills by Bibs Custom Design.
Images and texts credits : Bibs.
Thank you for watching and especially for supporting this post with your strongest upvotes.
@tata.lucette.
"Old times, good times!"
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