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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Sorry Robert, Your opening line on "Good luck getting midrange from F120A for non annoying monitors." tended to set the mood for the rest of your post in a negative light for Fostex drivers, the F120A included (at least for me it did)...
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Romy, I picked up a pair of FX120 and F120A drivers over two years ago. I initially spent some time with the FX120 in a small 10-liter ported enclosure (similar to Fostex' recommended one but altered dimensions). After many months of liste...
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I have also used the Eton drivers in a MTM configuration and I very much enjoyed the sound I was able to get out of these for several years until I got the EdgarHorn speakers. Actually, I still have the dynamic speakers set up in the same room, very...
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Actually a Tapped Horn would be bigger than a sealed enclosure, here is one of my first TH tests. The sound is very different than the sound coming form a Sealed encolsure. My first impression was that the bass was gone! There was no bass sensati...
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[quote user="Jorge"]Actually a Tapped Horn would be bigger than a sealed enclosure, here is one of my first TH tests. The sound is very different than the sound coming form a Sealed encolsure. My first impression was that the bass was gone! There...
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Hi, I buillt the amp based on your circuit with the exception of the bias scheme. Currently I have CRCRC bias for the ouput valve and Lithium battery grid bias for the driver. I use the amps to drive low efficiency 2 way ported boxes and vintage Tann...
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Tax, do not go over yourself with “building paranoia”, looking for drivers, horns, boxes and etc. If you are looking for 80Hz to 200Hz range (you will need higher upper knee for AG Dou) then you do not need a bass driver with Resonance frequency of 3...
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I have explored the subject of tapped horns. My exploration did not include listening them – ridicules, isn’t it? I did consult with a few folks, who I respect and who built and heard many of them and who know subject well. I pretty much know what I ...
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Hi Mats,I am not using 4 on each side. I will be using two on each side. Until now I always liked sealed enclosures. However Tad drivers are more suited to ported configurations. If you do not push them to go too low and have a reasonable fs point, t...
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I had a good listening session this Sunday. The Tchaikovsky
5 and Mahler 3rd. I shut down my ULF and was listening just with the
rest of the system. I was thinking what the hell I can do with lower knee of my
midbass. I absolutely adore what Vitav...
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I was thinking about it. The low QTS of the driver does make
is a good candidate for ported enclosure. It hypothetically it might be possible
to experiment with it but it might be gone only after I build the enclosure as
it is impossible to predic...
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I have order 4cu feet sealed enclosure for two 15 drivers. It
is relatively small box but I need to hit minus 6-8 dB at 50Hz. The collection
of the drivers I have would be following: Vitavox AK51 and 15/40, Altec 416B
and 515B. I like Vitavox tone...
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Yes of course, rule going to be very much in play and certainly it will be impacted by specific response right and left channels to a given location. Even though the location is hugely variable and the speakers might be moved with the freedom of 6-7 ...
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For my ears, the piano is rich in harmonics that change with playing volume BUT the only way to get a louder note is with the hammer striking the strings more powerfully which always is coupled to a louder "articulation". Violins and wind instruments...
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OK, here are some notes. I do not generalize them, juts my
notes from my listening and my current conclusions.
All processors are different. Ridiculous but fact. I have 4
of them and they all with the same reverb parameters sound different. I d...
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[quote user="Romy the Cat"]
Knightcrawler wrote:
The 1808 was designed for a large vented enclosure. Just looking at the TS numbers would indicate a large vented box to be best. It also worked well in horn loaded designs a...
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This thread is a derivation of the thread: Wilsons, EMM, Ozawa, Saint-Saens and...[quote user="clarkjohnsen"]While in general I agree with Romy about Wilsons, I have once or twice heard them sound really, really good. On the other hand I have also he...
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Actually the popular stiff Denons (103, 103R) with compliance of 5 need no less the 35g of effective mass, but even this mass will not help them. The Shelter has a “normal” compliance, I do not remember how much exactly but I think that it is somewhe...
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The Aura
1808 had free air resonance at 24Hz and required enormous sealed
enclosure of 14-16 cu feet. Wilson Audio used the Aura 1808 in their
unfortunately-ported XS subwoofers and soaked from their relatively
small enclosure an extra 19dB...
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Romy:Thank you for your response. You are correct that the vision is not completely developed for this 4 way. A bit more info is needed. I've had some experience with JBL woofers, but am relying heavily on the results achieved...
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[quote user="haralanov"] I’m still in the world of direct radiators and I’m looking for the ultimate midbass channel solution. At this time it’s still impossible to build a horn of this size so my purpose is to find the next most good sounding soluti...
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[quote user="Romy the Cat"]I can not speak Swedish and have no idea what they say but here is a Swedish 50Hz horn project. I admit that I have difficulties to like people who design horns in Hornresp but… for whatever it worth…
http://www.hififorum...
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I actually read the review carefully.
My initials sentiments were very accurate. Knowing the Vladimir’s reaction to those thighs I might presume that he also feels that this level of “intelligent writing about audio” is no more intellectu...
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Thanks, LBJ
It is useful. I had also an idea to have a port mounted on removable plate in order to have the port side changed. I also, very much inclined for the yellow version, even my reasons are very none objective and I based my superstitions on...
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Romy wrote:"...What kind outer suspension it has, is it rubber?..." Correct (I know I know...)"...I think the key factor would be the degree to which the driver is able to decimate the LF pitches..."Pitch: The property of sound that varies with varia...
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[quote user="jessie.dazzle"]Romy wrote:"...I think the key factor would be the degree to which the driver is able to decimate the LF pitches..."Pitch: The property of sound that varies with variation in the frequency of vibration.... I decided to loo...
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Actually is not mystery but juts economics. BTW, the large Wilsons are I believe are not juts ported but so called fourth order design. With a sealed enclosure of the identical size the Grand Slam / Alexandria would go in Stereophile category of spea...
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I have a second system in the kitchen. The speaker is a small Monitor Audio 2way which I picked up over 10 years ago for $500/pair (new). They are ported in the rear and hang from the ceiling in front of the brick wall, powered by chip amps.
Thi...
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Thanks for this one Romy, very interesting...it sorta ties together several things that I have been thinking about lately. I guess I am lucky that the Bass Cannons can be run off 9w from the DSET bottom channel and from memory I get about 115dB at 1...
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[quote user="Romy the Cat"]Stopped by at local audio friend this Sunday and watch some Brunner, Mahler and Wagner at his HT playback. He has integrated playback installation and video is played at his main system. I am not a fan of good quality of v...
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