Hi, Im making studio monitors and i dont know if 20w amp for each will be enought. My speakers are 4 inch. Also i have 150w sub, i know its over kill and that's why I'm afraid it won't be enough because 2x20w monitors with 150w is weird to me. When I read some posts they said that 20w for small room is enought. My room is abou 4x4 meters. Thanks for help.
Not sure I follow. Small mixing room where sound engineer does mixing and where studio monitors are is typically situated behind large acoustically treated room for musicians.
As little as one watt of power applied to those 20W speakers will produce a normal listening level in your room, assuming typical loudspeaker sensitivity.
Having additional power to accommodate musical peaks or the occasional bit of boogying is the icing on the cake.
You should have nothing to worry about power wise given your room size.
Having additional power to accommodate musical peaks or the occasional bit of boogying is the icing on the cake.
You should have nothing to worry about power wise given your room size.
Okay thank you so much and one little question. Will it be better if i power the woofers and tweeter with other amp and make it "bi-amp"?
mmmhhh...biamp - why ?? Bi-amp might be useful when driving, say, a 10" with big magnet ( magnet?? ) and the mid-tweeter group takes power from another amp. If the bands are splitted before the amplifier, is even better. Now you say biamp because you have differentiated LF and HF path on the crossover with a jumper wire, right? That may allow for biamp, but as long as you're talking < 100 W it don't really make a difference.
Wait, crossover (passive) parts consume energy! Electricity loss!!
....and subwoofer : another power loss!! How come? Acoustics...perception...human nature
Wait, crossover (passive) parts consume energy! Electricity loss!!
....and subwoofer : another power loss!! How come? Acoustics...perception...human nature
It's 'embedded'
It's also less prone to fAILURE, since two 50 W amplifier are 'easier' than a 100 W amplifier, I mean, each amp produces less heat.
And according to the rising price of copper, probably two amp& electronic crossover ( with the 'contour' slopes or EQ made just for that product) cost less than an amp + passive crossover.
I myself wouldn't put any electronics ( active or passive) inside a speaker box
It's also less prone to fAILURE, since two 50 W amplifier are 'easier' than a 100 W amplifier, I mean, each amp produces less heat.
And according to the rising price of copper, probably two amp& electronic crossover ( with the 'contour' slopes or EQ made just for that product) cost less than an amp + passive crossover.
I myself wouldn't put any electronics ( active or passive) inside a speaker box
You would have to provide full details of the speakers you are making, including crossovers.
The expense of an additional amplifier may not be justified in terms of the potential sonic advantage provided by bi-amping.
There are many engineering factors that concur in the final release of man crafted object (??!)
Another factor is to be stupid-proof: less wires, less power wires ( which can occasionally be in contact and generate a short circuit that destroys the amplifier ( commercial amplifiers don't , DIY amplifiers blow instantly 😊)
Another factor is to be stupid-proof: less wires, less power wires ( which can occasionally be in contact and generate a short circuit that destroys the amplifier ( commercial amplifiers don't , DIY amplifiers blow instantly 😊)
I have 4 inch woofer and tweeter around 1 inch. Both are 25w 8 ohm. The box is
21x15x15cm. And the high cut frequency i want around 2,8khz if that makes sence
That's really not enough detail, but I don't see such a speaker benefitting enormously from bi-amping.
Have you designed a crossover before?
Have you designed a crossover before?
I've already made up my mind. I will use a 20w amp for one box. That means I'll have 40w together. Which, I concluded, is more than enough. But that means, I need passive crossover and I don't know anything about that. will you help me?
Make and model of drivers and preferably a link to their data sheets would be nice.
EDIT: I see the woofers and tweeters are each 8 ohm.