DIY build, some advice please!

mudchute · 22nd April 2012, 08:51 PM

Hi eveyone,

I'm having a bit of an experiment. I currently have some fugel horns with fostex fe126en drivers.

I want to boost the bass a bit, not a lot, I live in flats and swmbo won't allow wall shakers so I want to use some Monacor drivers that I have.

Monacor SPH-135C

Now, you'll probably say I won't get as good results as I could but this is a learning exercise too so I'm happy to compromise but, I'd like to build a two way bass reflex sized box, one that can eventually take a tweeter as I evetually want to build some two way speakers too and have a play with those. Another reason for this is that I have some gorgeous oak speaker stands which are sulking and I want to put them back into use too.

So, what kind/style of cabinet could I use, capacity, approx dimensions etc? Also, crossovers?

mudchute · 22nd April 2012, 09:04 PM

I should add, if the bass reflex idea is real no go I did consider building the Rogers AB1 bass extender style enclosures used with the BBC ls3/5a speakers, god/bad idea?

PeteMcK · 23rd April 2012, 01:28 AM

a box around 16 L tuned to 40-42 hz should suit these drivers;
however they are ~5dB less sensitive than the FE126's, either bi-amp or use 2 monacors per side
You may find this thread useful:
Help! Monacor sph 135C xover

22nd April 2012, 08:51 PM	#1
mudchute diyAudio Member Join Date: Jan 2012	DIY build, some advice please! Hi eveyone, I'm having a bit of an experiment. I currently have some fugel horns with fostex fe126en drivers. I want to boost the bass a bit, not a lot, I live in flats and swmbo won't allow wall shakers so I want to use some Monacor drivers that I have. Monacor SPH-135C Now, you'll probably say I won't get as good results as I could but this is a learning exercise too so I'm happy to compromise but, I'd like to build a two way bass reflex sized box, one that can eventually take a tweeter as I evetually want to build some two way speakers too and have a play with those. Another reason for this is that I have some gorgeous oak speaker stands which are sulking and I want to put them back into use too. So, what kind/style of cabinet could I use, capacity, approx dimensions etc? Also, crossovers?

23rd April 2012, 01:28 AM	#3
PeteMcK diyAudio Member Join Date: Feb 2002 Location: Western Sydney	a box around 16 L tuned to 40-42 hz should suit these drivers; however they are ~5dB less sensitive than the FE126's, either bi-amp or use 2 monacors per side You may find this thread useful: Help! Monacor sph 135C xover __________________ Impedance varies with frequency, use impedance plots of your drivers and make crossover calculations using the actual impedance of the driver at the crossover frequency

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22nd April 2012, 09:04 PM	#2
mudchute diyAudio Member Join Date: Jan 2012	I should add, if the bass reflex idea is real no go I did consider building the Rogers AB1 bass extender style enclosures used with the BBC ls3/5a speakers, god/bad idea?