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Old 29th April 2005, 12:24 PM   #1
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Default Making a beast of an amp

Can you make a louder amp by replacing a few parts? I am looking for a beast of an amp but without the hefty pricetag. Plus its cool to be fixing things rather than buying new all the time.
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Old 29th April 2005, 03:23 PM   #2
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Asuming you mean louder as in higher peak SPL, you can swithc to a more efficient speaker. 3dB more efficient speaker is equal to doubling your amps power.
If you mean louder as in more touchsensitive and more distortion, you can mod the preamp section for more gain. Depends on SS or tube how successful that will be.
What amp is it that you wish to mod?
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Old 30th April 2005, 05:43 PM   #3
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It is indded a fender frontman 15w and is just about audible over the drums. I would like to make it louder thanthe drums if you get what I mean. It is a solid state and I'd like to make it please me
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Old 1st May 2005, 11:09 AM   #4
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Well, that combo only has an 8" speaker. No wonder it's not loud.
Get a decent 12", like Jensen, Celestion, or Eminence with SPL around 100dB/watt and you'll be set. Two 12" in parallell will give you even more. With that easy mod he effect will be like playing thru a 40watter, compared to the 8" you are using now.
A good 12" is a good investment anyways, and later if you upgrade to a tube head, you'll be even more set.
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Old 1st May 2005, 06:16 PM   #5
Giaime is offline Giaime  Italy
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Please... thrash away that amp... for a few bucks you can buy something better... aside from that, it isn't possible to make an amp louder from an electronical point of view (or from a cheap point of view ). The Frontman is powered by a chip amp: higher power would mean different chip, redesign of the pcbs, beefier transformer, more capacitance in the psu...

If you only need a little more, try to switch on more efficient speakers. But keep in mind that:

1) take care of the speaker impedance: a such low-cost power amp isn't happy on driving a mismatched load. Someone here suggested to use multiple speakers: pay attention to obtain from them the same impedance of the original speaker.
2) Fender is putting in their small practice amps very efficient speakers to attract the little 13years old "guitarists": it is difficult to find a speaker that has more sensitivity.

In the end, I suggest you to buy a new amp. Little 15W tube amps are cheap, loud (more than equivalent SS amps), easy to modify. And they sound good, and don't forget that you could easily build it yourself. Hey, we're at diyaudio here!

Bye!
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Old 2nd May 2005, 07:29 AM   #6
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I agree with Giaime, get a better amp. There are som nice kits out there so u can build a small tube geetar amp pretty easily.
However. If u're on a budget and can only build up your system over time, I still think it would be good to get a decent speaker cab with two 12" drivers. I'm pretty sure u will get louder than the stock 8inch unit in the Fender, and when u later upgrade to tube u will already have a speaker cab so the total investment will be spread over time.
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Old 2nd May 2005, 12:12 PM   #7
Giaime is offline Giaime  Italy
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Yes I agree with you. A decent cab is everytime an investment (I wish I thought about this... ), and probably will help in your situation. And also remember that if you buy a cab, when you'll build your own tube amp you only have to make an head (read: cheap) instead of an expensive combo, with all the woodworking involved (which isn't easy for everyone - not saying that dealing with 400V is easier ).

Bye!
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Old 3rd May 2005, 02:16 AM   #8
Enzo is offline Enzo  United States
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A 15 watt amp will never compete with drums, and to make it more powerful in any meaningful way would require essentially building a new amp in the old box. No point in that. The time and money put into doing that could be better used to buy a used amp with power you need and practicing your playing.
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Old 3rd May 2005, 07:41 AM   #9
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I guess you guys are right. I might just buy a big assed amp and be done with it.
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Old 3rd May 2005, 08:41 AM   #10
Duo is offline Duo  Canada
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I set a friend up with a pair of Celestion 8" speakers and a gallien krueger head at 50W per side. Boy does it sound nice.

Definitely, need a better quality amplifier. Something tubes or at least discrete with a bit more brunt would be nicer.

I must admit, 15W into a 102db/w/m speaker could be loud though.
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