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Posts posted by raeggis
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Useful old thread.
It is clear that the bass response specifications have been changed by mistake since the first speakers were produced.
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24 minutes ago, jjptkd said:
I actually seen that on another thread which is what prompted me to ask about the woofers. I've got 4 pairs of k-48's, two pair in use, a NOS pair for an upcoming build and an extra pair just in case.
These Faital Pro's look very nice-- are they more sensitive than the k-48's? Have you taken any measurements? Did you have to modify the crossover at all for these? Thanks!
I have new caps, same value as originale, only plug and play 😀 no measurements. Bass plays Nice up to 600 hz, same db on mid horn. So cross over is ok. Vokals is fuller. with Faital vs K48.
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Video removed
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2 hours ago, jjptkd said:
What are your impressions of the Faital Pro driver? How do they measure compared to the k-48? I find it interesting that the recommended cabinet size on USspeaker website is the same cu ft as a Chorus cabinet with dual 4" ports-- tuning is at 47hz with a -3db point at 48hz, sounds very close to stock Chorus 1 numbers.
https://www.usspeaker.com/faital pro 15PR400-1.htm
1 X15" LARGE SIZE CABINET SPECS -
Enclosure Type - Single Bass Reflex/Ported - 1 x 15"
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Internal Cabinet Volume - 4.55 cu. ft.
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Internal Cabinet Dimensions: 22.5" Wide x 20" Height x 17.5" Deep
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Tuning - 47Hz
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Frequency @ -3dB - 48.04Hz
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Round Port - (2) 4"
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Port Depth - 2.375" Deep
I tuned passive radiator around 32 hz. A few hz lower than Faitals 35 hz Fs . The deep bass is lissenable to under 30hz. Som i have a +2 db at 26 hz, and -2 db on the rest under 26hz on the equalizer. But the deep bass is good on flat eq too. I did a massage on bass speaker AS IT vill take a long time to play it in , before membran loosenes up. Fatal did not favorisise any frequenzy at all. K48 did that at 40 hz.
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I want to test out xindak a600e on my Chorus II speakers
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Interesting speakers 👍🏼
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LaScala would be better with another bass drivers with lower fs. and some help from a equalizer. Remember to cut bass frequenzy that goes lower than the drivers can make . Examle cut 20 hz 25hz 31hz 35hz to zero 👍
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Im sad to here this. RIP Bob
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7 hours ago, MechEngVic said:
What amp is this?
Line Magnetic 805iA
Power tubes is the bigger LinLay 805A-DG with over hung filament😀 300b tubes in between on back side.
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15 hours ago, EpicKlipschFan said:
you can repair it if its not too bad... but they make recone kits if it cant be repaired, simply speakers sells the recone kits & will even install them for you for a decent price.
https://www.simplyspeakers.com/klipsch-speaker-recone-kit-k48-k-rk-klpk-48-k.html
Voice coil is 8 ohm on this recone kit. Please ask for 4 ohm version.
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On 1/6/2021 at 4:21 AM, Chief bonehead said:
99db sensitivity is for mid band.
Yea thats true, I did a measurement on one speaker with K48. K48 did not deliver any good mid bass at all. Here is a view of a pickture with flat sound at one meter. Peaks and dips is room correction on my Behringer deq 2496
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On 1/5/2021 at 10:14 PM, Alex Defender said:
Have you tried any Faital pro woofer at last?
Hi . They are on the way now. Im exited😁💥
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Do the speakers get direct current or alternating current from amplifier?
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3 hours ago, geoff. said:
The K-48 is a tough act to follow.
Still very curious to hear the consensus on a suitable replacement.
If the Faital Pro 15PR400 is as articulate AND goes lower it’s going to get some exercise in my living room.
The biggest change will be sound pressure, as Faital works with double sound pressure at the same wattage
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Faital pro400-4ohm
TECHNICAL PARAMETERS
Nominal Impedance4 Ohm
Minimum Impedance3.7 Ohm
AES Power Handling (1)400 W
Maximum Power Handling (2)800 W
Sensitivity (1W/1m)99 dB
Frequency Range35÷4000 Hz
Voice Coil Diameter77 mm (3 in)
Winding MaterialAl
Former MaterialGlass Fiber
Winding Depth15 mm (0.59 in)
Magnetic Gap Depth10.5 mm (0.41 in)
Flux Density1.15 T
MagnetNeodymium Slug
Basket MaterialAluminum
DemodulationNo
Cone Surround (3)Accordion (4 waves)
NET Air Volume filled by Loudspeaker3.7 dm^3 (0.131 ft^3)
Spider Profile1x constant height waves
THIELE AND SMALL PARAMETERS
Fs35 Hz
Re3.3 Ohm
Qes0.33
Qms6.0
Qts0.31
Vas248.9 dm^3 (8.79 ft^3)
Sd857 cm^2 (132.84 in^2)
Xmax (4)5.75 mm
Xdamage (5)15.5 mm
Mms85.2 g
Bl13.6 N/A
Le0.6 mH
Mmd56.8 g
Cms0.24 mm/N
Rms3.1 Kg/s
Eta Zero3..10 %
EBP106 Hz- 2
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I have LM-805IA on Klipsch Chorus II
https://malaaudio.no/Produkt/4/1000003/LM-Audio-805IA#&gid=null&pid=2
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I will try out LM Audio 805IA on my Chorus II Next week😁
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7 hours ago, glens said:
Perhaps if the speakers have been subjected to prolonged periods of use right up at their power limits through the years it might make sense to refresh drivers.
I've not heard any Chorus to my knowledge but by all accounts I've seen (here) they are a great product. I'd think you really want something different because once you start doing everything you're talking about, that's what you'll have. And then you'll be out a pair of Chorus as well.
I can't tell if you're merely seeking community approval or whether you're trying to get somebody else to try it for you first.
I don't know how my speakers have been used before, but as you say, chancees of worn bass speakers are there. Im not seeking community approval, but am looking for people who have experience with changes to their speakers. Therefore, it is nice if someone wants or has made changes.
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7 minutes ago, PrestonTom said:
You were the one who wrote the first post so I am confused.
There is either a language problem or an attitude problem. In either case, I will stay out of it and not bother with any suggestions.
Good luck,
-Tom
Hi Tom
Its a language problem, and im sorry for poor comunication.
Best regards
raeggis
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44 minutes ago, glens said:
Off-topicness of my first post still declared yet unexplained when challenged, I offer yet another (2-part) challenge: If the proposed driver (evidently?) is specified for a different box volume, how should that "not be a problem", and, if it has "almost similar measurement data" then why spend the money (and time)?
Most important of all for me is the higher sound pressure on the bass. Now we also have to remember that the bass driver is very old, so once in a while you are dependent on getting this swapped out for something new. So why not use a replacement speaker that meets my wishes?
Chorus II vs. Forte II (a small review)
in 2-Channel Home Audio
Posted
Thats a big speaker👍