- #Fender musicmaster bass amp mods mods
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This is the only Fender amp I've seen that does not have fuse protection of any sort. I've heard there is a 3rd version (but never seen one) - a blackface Riviera era version but I have no idea what to expect to find inside one of those amps. This is the only reason I mentioned the power tube compliment - to distinguish the various versions from one another. These are the identifying characteristics so one can tell which version he is dealing with, especially by looking at just a photo. It has 2 x 6V6 power tubes and has a slide switch very similar to a Fender blackface/silverface style bright switch for the on/off function. Version #2 has the traditional 6.3 volt light bulb, holder and jeweled lens, as I mentioned.
#Fender musicmaster bass amp mods tv
Version #1 uses 6AQ5 power tubes, has the aforementioned neon lamp pilot light and the on / off switch is combined with the volume control, like a 50s TV set. There are two and possibly three versions of the Musicmaster Bass amp. Here's a little Musicmaster Bass amp history.
#Fender musicmaster bass amp mods trial
Before I knew that, I didn't want to destroy this device by trial and error experimentation as it would be near impossible to replace and why not keep the amp original, if possible. It appears that the pilot light is a neon device wired across the AC primary (from hot to neutral), as NickB said. Sorry for the now erroneous post I didn't know I had this schematic and I hadn't looked at it in years. I've actually found a schematic deep in my Fender files for 1st version of the Fender Musicmaster Bass amp. IMHO, although it seems this amp was built to the lowest possible price point and is quite unsuitable for bass, it does breakup in a rather rather unique and nice way. That is something that needs to be addressed. Note there is no fuse or thermal limiter in this model. The indicator lamp is a neon wired between neutral and the 120V tap on the power transformer, in this case.
If there is anything else you need to know, now is the time to ask before I close it up again.Įdit: Added pics - lots of overlap!. I'll take a couple of gut shots tomorrow and repost when I have them.
#Fender musicmaster bass amp mods free
Are you sure someone didn't replace the 6.3 v lamp and use a different supply for the lamp to free up more heater current for another tube or something?īob M.I have one of these on my bench right now. How much of the amp is left? If it's gutted you can use the iron and chassis to build whatever you want wit that tube compliment. What does it have? A neon lamp off of the mains.
Thanks in advance for your on-point answers, I can't seem to find a schematic online for the 6AQ5 version of the Musicmaster Bass. My question: how is this pilot light for the 6AQ5 version wired? I don't want to ruin the part by trial and error so I though I'd ask once (or twice) and cut once. It's one of the changes made by Fender between the 6AQ5 version and the 6V6 version of this amp model, as they returned to the more typical pilot light set up when they updated this amp model to 6V6 power tubes. One of them is the pilot light which is different than the typical Fender 6.3 volt bulb and holder (and jeweled pilot lens). It has a few things still present in the chassis. But if you want a player and not a showroom piece, you're going to love these mods.I've acquired a chassis for a Musicmaster Bass amp.
#Fender musicmaster bass amp mods mods
Just hang on to all the old parts and reverse the mods in that case. I don't like hacking up vintage Fender amps, but in this case, we're not doing anything non-reversible, should you ever want to put it back to stock for collect-ability's sake.
I don't gig with one, but I sure do a lot of practicing with one. But the MMBass is good enough to hold its own with the best of them, it just does it in its own way, and at a lot lower volume, which is a good thing at times. Though that's tough to say, as my favorite amp seems to change with each one I play as I'm playing it, it becomes my favorite. Out of a small collection of silver face Fender amps the Musicmaster Bass may be my favorite. There are a couple of mods you can do to these amps to really wake them up. Ditch the POS speaker and replace it with something decent for guitar and the amp comes alive. But as a lot of folks now know, there's a great guitar amp hiding inside. Too little power, the tone really wasn't right for bass, and the speaker was too cheap and didn't deliver the goods. This was just an inexpensive student model bass amp, it was not intended to be much, and it really wasn't much of a bass amp.
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