It was a simple instrument one pickup, tone and volume control - but well-built: good, heavy duty tuning keys and a good bridge.
Fender musicmaster bass schematic mod#
This mod will lower the 60 hz hum that the amp makes also. Fender introduced the Musicmaster bass in the second half 1970, with a launch price of 139.50 - their lowest price bass to date 100 cheaper than the Fender Mustang. The schematics on this website are not created by us, but rather were sourced from other websites and forums on the internet. Fendermusicmasterbassschem.pdf - 69 Kb 219: Fendermusicmasterschemlayout. You can do this at any of the tube sockets where its easy to get near a point to solder them to ground.Ī good spot would be at one of the output tubes as they already have there pin 8 going to ground right near by, all you need to do is unground that one wire and solder a resistor from a 6v6s pin 7 to ground at pin 8, and the do the same thing at pin 2. 1 I just picked up an incredibly simple push/pull amp with just 1 12AX7 and two 6V6. Fender Tube amp schematics, Hoffman amps tube amp schematic library. One definite circuit change I would make is to un ground the filament string and then solder on a 100 ohm 1/2 watt resistor to each of the 6.3 volt feed wires ( likely to be green colored) and the ground the other end of each resistor.
Its not either of the Transformers, so do not sweat that. I would replace without question all the filters at this point with Ruby brand, F&T ,or blue cased Atom caps and know that at least that's out of the way and the amp will sound better for it! In fact I have filters out of 70s Marshalls, Hiwatts, Fenders and other amps that are leaking out crap and or swelling up at the pressure release plug AND THEY STILL TEST GOOD FOR LOW ESR!!!! so nothing is cut in stone without the meter test!
Own one like this Make room for new gear in minutes. Dreadnought Classical OM and Auditorium Parlor.
Unless you have a Cap ESR meter to use in regards to checking the power supply filters / caps, there is no surefire way to know if they are good or not! Includes Original Victoria Slip Cover, Two Schematics, Replacement Parts List, And Manual. 4-String 5-String or More Short Scale Left-Handed Fretless Acoustic Bass Vintage Bass Guitars Acoustic Guitars.
0 kommentar(er)
