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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="ayebee"] The horns that Stereo Lab make are very good, especially considering the relatively modest prices. I bought the "Ultra-Fi" version of the 140Hz horns and they are of course not completely free of resonance ….Present system consi...
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Well, I screw-in today the S2 with filed-coil into my horn. I decided to drive it with 2.4A. I used a regulated DC PS and did not employ my prepared for this tusk 4.2 Farad capacitor: the voltage is too high for my cap. The current gave me a ni...
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[quote user="MochaMike"]A stereo three way horn system with a dual concentric 15" woofers backloaded to 50 cycles and front loaded with a short round tractrix horn 200-800 cycles handed off to the concentric 2" com...
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Hi Klaus,
Spec sheet on the bass driver you plan to use here: http://www.greatplainsaudio.com/downloads/515_G.pdf Just to be clear, mid bass to me means from 60Hz - 240Hz.
Throat diameter : 9.9 inches ?I'm just a beginner, ...
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Romy's quotes in blue :"...Discussing the Jessie project we multiple times mention the idea of the large midbass horn hanging above MF section... The rational was to have it positionally contra-react the output of the upperbass horn... But do we au...
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Thanks Romy and Paul for your comments.
Romy wrote : "...I personally would probably go for a monopod frame above the upper bass horn (merging it in middle) as I feel it make the architecture more elegant, more airy and visually less deman...
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[quote user="Murataltuev"]Is any
technical background behind the statement that 4" driver can't
operate in 300-1000Hz because resonance is too low ? [/quote]
Well, you need to define what does it mean “can't operate”? Anything can operate anywhere...
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Romy
the Cat wrote:
Well,
you need to define what does it mean “can't oper...
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[quote user="jessie.dazzle"] What really surprised me was how good everything sounded with no filter on the upper-bass horns, and all drivers connected to the same (8 Ohm) tap; sure I'm getting too much mid-range from the upper-bass horn, but its...
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I recently completed some upper bass horns which I'm now enjoying very much. Sadly I lack the skills of someone like Jessie so my efforts are crude in comparison, but they are working well for me which is the main thing.I already had some old frontlo...
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[quote user="Ronnie"] The room modes I thought I had to battle suddenly disappeared the other day when I decided to try stuffing the boxes a bit. Suddenly everything fell into place :-)I guess I can do better than using little cushions though... Do y...
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In the thread “Exceptional loudspeakers drivers” Paul S. wrote:"LOTs of time pretty much wasted lately, looking at "HE" direct-radiator drivers that are actually only HE at their uppermost frequencies, with diving responses and large-to-hu...
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[quote user="Romy the Cat"]The biggest problem that usually people face when they listen the middbas horn is that people tend to make the middbas horns too short. In the short horn the driver shot right through the horn and the LF go not “get loaded”...
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Unfortunately its $1000,- total... Its not fixed, i can still do alot with that though.Alnico is better but only available in vintage drivers right? How does neodymium compare?The Jbl's seem to fall off fairly quickly. I dont need flat to 20K b...
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Bruce Edgar room was probably the only rooms at the entire show where form my prospective it was possible to begin to talk about "pure audio", so I will.
Bruce picked and smartly holds at "The Show" a wondefull room, the small room, but fr...
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Here are a few answers1. a, 84 Hz b, 4.8 inches square c, Hyperbolic exponential, T 0.8 1/2 Pi d, none so far on upper bass horn. S2 and 2405 have series capacitors feeding them. e, Eminence Kappa 12. 4. Both tweeter and S2 ca...
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I am currently planning high-WAF speakers for my sister which have to stand in the corners on the floor. Asking for small corner horns I was told the EV Baronet could be a solution. Simulating it with roughly estimated dimensions I found that the FR ...
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[quote user="Romy the Cat"]I am not familiar with those types of drivers and with the results they are able to show. [/quote]
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Well, I do have 3 channels of DSEP. Dedicated Single Ended Pentode: one channel (bass/mid 30-500 Hz) with a 307A DH pentode feeding two wonderful Fane neodymium Colossus 12" - one from FS to 150 Hz and the second from FS to 500 Hz. OPT with a lot of ...
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[quote
user="anthony"] I have noticed that there are several commercial horn
offerings that push a wide bandwidth through a single horn (eg. Martion Einhorn
370Hz - 20kHz, BD Designs Orphean MKIII 270Hz - 22kHz) and I just wonder how
they do it i...
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Hi Jorge, Thank you for the response. Re: cable, yes I've been too lazy to install binding posts in the back of the cabinet. I have no good reason, necessarily why I am crossing the 250 Hz horn at 1k. I posted my measurement above, but of course this...
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Why the need to cross the S3 so low? Crossing below 500Hz on a 260 horn seems to be pushing the limits a bit. What kind of upper bass solution are you planning?
Regards,
Anders...
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[quote user="anthony"]EDIT: Not sure we are on the same page regarding frequency range for this horn[/quote]Well, I don't have any other options.My 42Hz upper bass horn has flat frequency response in 70-300Hz range and -5db in 60-400Hz, so I need ne...
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I think we have to subdivide bass into upper bass from 100hz to whatever your midrange does and bass under 100hz and then maybe infrabass.
Front loaded upper bass horns are fantastic and I would say if you never heard one, you really nev...
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I'm not sure I understand what point you consider a priority, but I can explain the reason for my initial inquiry and what I intend to do.My initial inquiry was intended to acquire information on whether a horn with a target range of 40Hz to 400Hz co...
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Yes, when I move the drivers or for that matter if I move my listening position, I realign.What I hear and measure about the drivers relative distances to each other is this. When I first set up the drivers, one horn ended and the next one started, t...
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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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Ronnie,
The stuffing the back chamber in upper bass horn and stuffing a sealed enclosure have totally different purposes. In the firs case we need to decrease volume of the chamber in the second to increase it. The polyurethane foam spray is not foa...
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Again, moving the speakers last night I felt that I really would like to move the speakers closer to the mid of the room – the further the speakers from the back wall the more interesting sound. There is another “again” in what I felt last night. I t...
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Hello Dan,Love how you pass that cable through the port, I used to do that too...long time ago.Why are you crossing your 250hz horn all the way up to 1 khz?The 2445 should be able to go much lower. Have you measured the response you are getting from...
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