Small powered monitor (PA) project
I'm a musician. I play ancient wind instruments and I'm also a singer. My instruments doesn't play very loud so I would like to give them a boost. I bought a week ago the small B205D from behringer. It broke! I'm tired of buying things and don't be able to repair it!
I need that kind of device and I would like to build something like it. A monitor (PA) powerful enough to fill a room with 50 persons. Actually, I want to build two devices so I can get stereo sound. I want it to be self powered so I can just plug the speaker and play. I also want to be able to use it as a monitor on stage. I don't play in a rock band... ancient-contemporary-jazzy music so I don't need a big thing!
I would like to use the Fostex FF165WK 6.5" Full Range. Do you think it's enough? I want something small!
What kind of amp do I put in one cabinet? Mono amp? Suggestions?
If you have suggestions don't please tell me!
You can consider that I have a certain experience in soldering I made a tube stereo amp kit, several small amp kits, solar panels...
I also have woodworking experience I build musical instruments, hurdy gurdy, toys, i'm building a house...
Here you can here the kind of music that I play
Thanks for your help!!!
but lets think about it ;)
any size limits(box) ?
hmm, I have small guitar preamp, with additional stereo input for ipod or what you want to use for music
where are you located in this world ?
btw, a stereo head phone amp and a small jfet input booster might be ok
what mics do use for your instrument ?
we need to know impedance
speaker, thinking of Fane 12" fullrange(12-200LT)
high Qts, but seems to be fine in about 100liter closed box
not sure I would build amps in the speakers
powered speakers as they are called appears a bit too 'inconvenient' to me
Although i'm not musician but electronic engineer, I may suggest a simple TDA2003 powered from a 12V 7Ah gel battery. In a separate box you can make a simple battery charger around a LM317. In few minutes you can have it working, and it is inexpensive.
Cool! Already some answers!
I'm from Québec (Canada)
any size limits(box) ? Let's say approx 16"X10"X10" I really need it small!
a AT pro 61 (dynamic)
a condensor mic AT3035.
a preamp M-Audio DMP3
and I often use my laptop for effects and loops.
I would like an easy build project with a full range driver if possible.
I'm looking foward to your suggestions!
It depends in the bass limit you want, the higher the low frequency limit, the smaller the box can be done. Remember that a hermetically closed box increases the low frequency cut off of the speaker, causing bass response miss.
your mic preamp is probably fine
but you may need one more booster/preamp to drive power amps
a battery chip amp sounds cheap, at least :D
for the bass... I will probably make a subwoofer later...
Now what I need is really a simple small portable effective unit with a nice sound.
I know I'm asking a lot... :)
any idea for the driver?
What is "nice sound"? TDA2003 has been used in car radios/stereos by a decade. I'm currently using them to drive my K15's with plenty of power sufficient to vibrate the walls of my house, listening to Sabina and Serrat.
Thanks for the diagram. I did put it in my folder!
I'm trying to get as many ideas as possible.
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