That's a very interesting project. It looks like it goes to your living room or something like that. Very high waf.
You seem to know your stuff. Why did you cut off the whizzer cone. 8 inch is a nice diameter for this type of work. I am presently listening to an 8" seas full range in an open baffle. I think some of the eminence unit for part express could fit the bill too. They are quite well regarded, but a bit more pricey. One of them is actually used for zu audio...
Oon
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You seem to know your stuff. Why did you cut off the whizzer cone. 8 inch is a nice diameter for this type of work. I am presently listening to an 8" seas full range in an open baffle. I think some of the eminence unit for part express could fit the bill too. They are quite well regarded, but a bit more pricey. One of them is actually used for zu audio...
Oon
Sent from my MB860 using Tapatalk
Hi Oon
Thank you 🙂
I cut off the whizzer cone, because of the rising frequency response (which is a very commen matter with fullrange-speakers). It was hard on the ears - but on the same time, there was something right in the lower-mid area. Later on I found a measurement on a german blog - see below. a steep rise around 4 and 12 kHz - no wonder the highs were sharp !!! The measurement is in free air. The red curve is the Monacor-Unit.
In the open baffle IKEA-thing, there's full bass to an estimated 50 Hz - and not much below (heavy roll-off). The SP205/8 was also measured to have a Qts above 2 !!!! It's really well-suited for OB.
A more normal configuration below:
The drivers are dirt-cheap and easy to build - and I'm sure you would like the tone. Just try'em 🙂
Final notes: Besides, I have 3 pairs of ordinary speakers in the $500-900 range (price for pair). I haven't used them for the last 2 years, being really content with the OB-solution...
I do also have similar fostex-experiences - the drivers with whizzer cones sounded unpleasent to my ears. fe127e or fe83e with dammar-treatment sounded good - but wasn't capable of playing real bass or complex music with many instruments on the same time IMHO.
Thank you 🙂
I cut off the whizzer cone, because of the rising frequency response (which is a very commen matter with fullrange-speakers). It was hard on the ears - but on the same time, there was something right in the lower-mid area. Later on I found a measurement on a german blog - see below. a steep rise around 4 and 12 kHz - no wonder the highs were sharp !!! The measurement is in free air. The red curve is the Monacor-Unit.
In the open baffle IKEA-thing, there's full bass to an estimated 50 Hz - and not much below (heavy roll-off). The SP205/8 was also measured to have a Qts above 2 !!!! It's really well-suited for OB.
An externally hosted image should be here but it was not working when we last tested it.
A more normal configuration below:
The drivers are dirt-cheap and easy to build - and I'm sure you would like the tone. Just try'em 🙂
Final notes: Besides, I have 3 pairs of ordinary speakers in the $500-900 range (price for pair). I haven't used them for the last 2 years, being really content with the OB-solution...
I do also have similar fostex-experiences - the drivers with whizzer cones sounded unpleasent to my ears. fe127e or fe83e with dammar-treatment sounded good - but wasn't capable of playing real bass or complex music with many instruments on the same time IMHO.
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Try Magnavox
I like the sound of the vintage Magnavox 15 inch full range speakers, really inexpensive on EBay and even the 10 inch horns. I was trying to duplicate that warm soft tube sound that I remembered from my youth, so I found a Maggie tube amp model 175 in a console with the 15 inch and horn speakers and WOW! That was it. Later I found a Maranz 1060 S.S. amp at a garage sale for 5 bucks and hook it up to another set of Maggie 15" and horns I found on Craigslist for 10 bucks and again Wow! for $15.00. I did but them on a piece of old scrape plywood to try them out open baffle. Still great sound. Been collecting vintage speaker lately . Next project, to build a set of finished semi open baffle speakers incloser to run with the console on a separate amp. I guess I got the audio bug. THANKS. CURT
I like the sound of the vintage Magnavox 15 inch full range speakers, really inexpensive on EBay and even the 10 inch horns. I was trying to duplicate that warm soft tube sound that I remembered from my youth, so I found a Maggie tube amp model 175 in a console with the 15 inch and horn speakers and WOW! That was it. Later I found a Maranz 1060 S.S. amp at a garage sale for 5 bucks and hook it up to another set of Maggie 15" and horns I found on Craigslist for 10 bucks and again Wow! for $15.00. I did but them on a piece of old scrape plywood to try them out open baffle. Still great sound. Been collecting vintage speaker lately . Next project, to build a set of finished semi open baffle speakers incloser to run with the console on a separate amp. I guess I got the audio bug. THANKS. CURT
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