Audiophile53
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Posts posted by Audiophile53
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The reason I ask that with tailboards you reduce the area by the 3/4" tailboards. I have tailboards on my pre tailboard Khorns and before I remove to test them I thought I would ask the question. It likely it is negligible with good corners.
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I received my book within a week after ordering it.
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Simple question, has anyone measured, with REW, whether tail boards on the Klipschorns, with proper and tight corners, are constructive or destructive, help or hinder? Or are they only intended for those without good corners? Please don't respond with "if you have good corners, don't worry about it".
Thanks.
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Several years ago I had ported cabinets built for a pair of 604E's in the art deco style (i.e. 605 cab). They were properly tuned for each speaker by the length of the port tube and sound very good. This is not my main system but it is very enjoyable to listen to in the porch.
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Lon, I saw that add too. You still liking your Jubilees?
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Claude,
On 5/12/2019 at 8:31 PM, ClaudeJ1 said:OK, so on another site, I see that you are using a Hypex amp on your Khorns. I take back all the bad things I said about your amp being overkill. Mine is too, HOWEVER, the main reason you hear a sonic improvement on a Khorn BASS bin is that the Hypex technology applies feedback from the speaker into the amp AND the fact this it rivals class A during the First Watt part of the sound. I'm a fan of Hypex and horn bass, so the 500 Watts aspect of your comment is the part that is the LEAST important in the sonic performance of your combination. Again, my apologies, but didn't say what KIND of 500 watts you were using.
The Hypex PCS2.400 is bridged to 500 watts and running unbridged they are 400 watts each. Do you think the extra power is a detriment or do you think it would be cleaner running unbridged?
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How much power is needed to bi-amp the Klipschorn bass bin with a Class D amp? Is too much power a detriment since a Class D amp has the highest distortion at lowest output. The amp has to have enough headroom to play all types of music at respectable SPL's, generally 80 to maybe 92db. A knowledgeable view is appreciated.
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Just an update on the Khorns. Now triamping, solid state on the bass, Welborne 2A3 mid-range and Welborne 45 on top. Also have the system time aligned. Woofer stock, med-range B&C DCM50 with Eliptrac horn, B&C DE120 tweeter. Room is acoustically treated with diaphragmatic absorbers, acoustic panels and quadratic residue diffusers.
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Pair of original Type A crossover networks. They came with my fathers Khorns he bought in 1969. Work fine. Make offer.
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Excellent pair of Al Klappenberger's extreme slope crossovers for Klipschorns for sale. These have been lightly used. I have two other pairs of ALK crossovers and so this is an extra pair.
Price new ES400 + ES5800 (ES-Khorn set) ............... $1540.00
For sale price $1,000 plus free shipping in continental US
Mark
Minnesota
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Altec 311-60 horns are an excellent when paired with Altec 288 drivers. Taper cut-off frequency is 220 Hz and is intended to be used in systems crossing over at 300Hz and above. These are excellent sounding horns. In my opinion the 311-60 is a better sounding horn than the 311-90. The reason is because the 311-60 is more directional and have better imaging.
SPECIFICATIONS:
Frequency 300 Hz plus
Weight 19.5 lbs. each
Payment method as mutually agreed upon.
$850 plus shipping within continental US is free.
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Altec Lansing 288-16H horn drivers are the last of the famous 288 drivers made with an AlNiCo magnet. They are the last and rarest of the AlNiCo’s. It's been forty years since the 288Hs were last made and they continue to be widely regarded as the best compression drivers. Highly efficient, they work effortlessly with even the lowest power amps. They, like the 288G’s are one-third larger and extend the upper frequency limit by 2,000 cps compared with previous 288s.
SPECIFICATIONS:
Frequency 500-15,000 Hz
Sensitivity 109db
Diaphragm Aluminum
Voice Coil Diameter 2.8"
Weight 29.25 lbs.
Condition of the bodies and rear covers is outstanding. These have new diaphragms and remagnetized by Great Plains Audio. The drivers have all mounting hardware and gaskets. Payment method as mutually agreed upon.
Asking $1,000 plus free shipping within continental US.
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Pair of execllent condition Altec 288-16H compression drivers. Altec Lansing 288-16H horn drivers are the last of the famous 288 drivers made with an ALNICO magnet and tangerine phase plug for better high frequencies. It's been forty years since the 288Hs were last made and they continue to be widely regarded as the best compression drivers. They are much rarer (made for just one year) than even the highly regarded 288G’s. The serial numbers are 122 and 140. They are very efficient and operate with amplifiers at 1.5watts. They, like the 288G’s are one-third larger and extend the upper frequency limit by 2,000 cps compared with previous 288s.
SPECIFICATIONS:
Frequency 500-15,000 Hz
Sensitivity 109db/1w/1m
Diaphragm Aluminum
Throat Size 1.4”
Voice Coil Diameter 2.8"
Weight 29.25 lbs.
Although they probably did not need it, I had both drivers remagnetized and new aluminum diaphragms installed by Great Plains Audio.
Condition of the bodies and rear covers is outstanding. The drivers have all mounting hardware and gaskets.
These drivers are a great addition to the Khorns with an 805 horn or the 311-60 horn.
Asking $1,250.
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Currently I am using a B&C DCM50 mid frequency driver and Dave Harris Eliptrac 400 horn for the squawker and the B&C DE10 for high frequency and ALK universal crossover. It makes sense to use a coaxial driver like the BMS 4592 in the Eliptrac horn for time alignment. Has anyone had any experience with this combination? Also I am bi-amping the woofers with a Hypex PSC2.400 amp on each channel and using the electronic crossover of the Hypex. Currently for the mids and highs I am using a 45 SET amp.
The current combination sounds very smooth with lots of low end grunt.
Thanks for your input.
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The ungrades on the Moondogs were Caddock resistors, Blackgate Muse electrolytic power supply capacitors, Jensen Copper Foil paper-in-oil capacitors, Cardas brand RCA connectors for the input jacks and binding posts and precision machined Teflon tube sockets.
The tubes came from Andy Bowman of Vintage Tube Services in Rockford MI. He goes through a very exhaustive testing process. http://vintagetubeservices.com/
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They were built as a kit by my father who was a mechanical engineer.
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Welborne Moondogs with ultimate upgrade. Excellent condition. Tubes are matched RCA biplate, Sylvania 6SN7 , Mullard CV378 rectifier tubes. $1,800 plus shipping. Seling due to death of father. I would keep for myself but I already have a pair.
Also have for sale:
AH! Njoe Tjoeb 4000 CD player with matched tubes with upgrades - $500 plus shipping
FT Audio LW-1 passive preamp - $350 plus shipping
Shipped from Minnesota
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Early warning. Posting soon for a pair of Welborne Labs Moondogs 2A3 monoblocks with ultimate upgrade. These are from my 88 year old father who passed away last October. I would keep for myself but I already have Moondogs and the Starchief 45 SET amps. I am not sure of the price I will ask but they are in great condition. My fathers system had filtered air blown through his components when running.
He had a Marantz 10b (bought new), but I am keeping that.
He also had a pair Khorns modded with Altec 288k, 805b horns and ALK crossover.
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It looks like your speakers are falling off considerably below 90hz. I would think it would be fairly obvious. It may be a factor of using a 45SET amp. Smooth mids and highs but lacks bass. I too am using a 45 SET but only for the mids and highs. For the bass i use a Hypex class D amp.
Klipschorns with horn subwoofer
in Technical/Restorations
Posted
I am tempted to have a single horn styled subwoofer build to augment my Klipschorns. In searching the internet I see several subs used in other configurations but none with Klipschorns. I think it would be easy to integrate using a class D amp with DSP. I would like to get down into the 20 Hz range. Anyone who has tried?
As an aside I think this would be an ideal combination with LaScalas where you can place a sub in it's best location instead of in front of the room.