New crossover project?

mikewu99 · 24th January 2003, 12:20 PM

I have an old pair of Altec Model 5 loudspeakers. I was thinking that a good first DIY project would be to upgrade the crossover on these speakers. I haven't opened them up yet, but I assume the existing crossover is pretty crude.

According to the original Altec brochure, these speakers have a 12" bass driver and two 4" HF drivers in a vented enclosure. Crossover is at 1500 Hz.

Would an improved crossover make enough of a difference to be worth the effort?

FrankDIY · 24th January 2003, 04:53 PM

Better parts may have a little influence but redesigning the whole thing is hard to say. You will have to measure the drivers, etc.

Bab · 24th January 2003, 10:40 PM

Difficult to find the good adaptations. Often, a mark(brand) of capacitor with a mark(brand) of resistance does not give the wished result.
I experienced to replace parts on Spendor BC2 x-over and it was a disaster. I kept origin.
Change the parts it's ok, but not forget the cabling and the connectors. Please, take a screwdriver and take time to tighten all screw of the box and speakears. You discover an image 3D.

chucker · 27th January 2003, 07:08 PM

I asked this same question a few weeks ago regarding the x-overs on a pair of Mirage m1si's.. I heard the parts are cheap, and that a few years ago this was the thing to do.. Cant find anyone now who knows what I'm talking about..chucker

24th January 2003, 12:20 PM	#1
mikewu99 diyAudio Member Join Date: Jan 2003 Location: Audubon, PA	New crossover project? I have an old pair of Altec Model 5 loudspeakers. I was thinking that a good first DIY project would be to upgrade the crossover on these speakers. I haven't opened them up yet, but I assume the existing crossover is pretty crude. According to the original Altec brochure, these speakers have a 12" bass driver and two 4" HF drivers in a vented enclosure. Crossover is at 1500 Hz. Would an improved crossover make enough of a difference to be worth the effort? __________________ Mike "Never confuse motion with action." B. Franklin

24th January 2003, 04:53 PM	#2
FrankDIY diyAudio Member Join Date: Mar 2001 Location: Quebec City	Better parts may have a little influence but redesigning the whole thing is hard to say. You will have to measure the drivers, etc. __________________ Imagination is more important than knowledge. knowledge is limited, imagination encircles the world. Albert Einstein FrankDIY's Audio Corner

27th January 2003, 07:08 PM	#4
chucker diyAudio Member Join Date: Jan 2003 Location: Asheville, NC	I asked this same question a few weeks ago regarding the x-overs on a pair of Mirage m1si's.. I heard the parts are cheap, and that a few years ago this was the thing to do.. Cant find anyone now who knows what I'm talking about..chucker __________________ chucker

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24th January 2003, 10:40 PM	#3
Bab diyAudio Member Join Date: Jan 2003 Location: Canada	Difficult to find the good adaptations. Often, a mark(brand) of capacitor with a mark(brand) of resistance does not give the wished result. I experienced to replace parts on Spendor BC2 x-over and it was a disaster. I kept origin. Change the parts it's ok, but not forget the cabling and the connectors. Please, take a screwdriver and take time to tighten all screw of the box and speakears. You discover an image 3D.

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