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Everything posted by OO1
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now that is the best answer I ever heard - there is no subtitute for experience -
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the lascala design is OK the way it was designed - you forget the experience that Klipsch had undertaken while designing the lascala speaker -and even more considering the industrial lascala setup - -the factory had divised a setup where one could add a second lower bass bin - or even a second tweeter mid section on top - you could go as high as you wanted as long as the bass bins were at the bottom stacked and the same for the mid-tweeter sections - -the separate crossover section for the LF and HF used in the lascala II - is the other improvement ala KHORN - -the first error of your design is to mess with the tweeter position - as the sound dispersion will be off - you will be searching for the sound caracteristics like a mad man - -the new lascala II have a seperate components bass bin and mid-tweeter section design - even Volti designs had a lascala section reversed ala Khorn which according to the creater was very good sounding - - you design is very interesting in the choice of higher quality components - but in order to properly create a superior sounding speaker versus the original Paul Klipsch Lascala design - you would need an anechoic chamber to measure what you are really achieving as an improvement if any - -purchasing the newer klipsch made components - crossovers -midrange-tweeter is a sure way to realise your goals - These alone will make you not want to modify the current lascala setup for years to come - and the whole improvements were tested in an anachoic chamber - this factor alone is how sound engineers work today - you can spend a lot of money and be back at square 1 - we have all tried but only a few have succeeded in creating a better lascala speaker since investing in an anachoic chamber is prohibitive- microphones alone can cost 50k - good luck with your project -please send us pics of your creations - as we are all drooling to see more - take care
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K-77 square magnet vs. round magnet tweeters
OO1 replied to biglaz's topic in Technical/Restorations
the original round K77 are a much better sounding tweeter than the later K77M or F to my own humble opinion - they do not screech as much as the newer K77 square as these do hit higher levels - sometimes a less efficient tweeter can be that much more pleasant to the ear - -the newer gear is definitely more powerful , dont let anyone tell you otherwise - once you will have 2 exact pairs - you will be able to judge the difference on your own - take care -
Buzzing in Cornwalls - How to Troubleshoot
OO1 replied to MikeGinIllinois's topic in Technical/Restorations
I dont know much about your HK amplifier - it looks like it is a very well built on the inside - but if the amp is bad , it may damage your speakers , from what you are indicating - this hum is like very high feedback going straight into the woofer -midrange and tweeter magnets and rezonating as a hum - 1) -check your wiring as a first step - from the amplifier to the speakers , are you properly connected in the positive and negative terminals -go through the basics of the hookup to make sure that you are wired correctly - I would also check for grounds - if ok go to step no 2- -2) check your crossovers in the Cornwall - any loose or unsoldered wires -this a long shot as crossovers rarely can create such an issue -but check them anyway - if ok then - the amp is next - -3)the amplifier looks too high tech to be the issue - but unless a technician gets a look at it - you will not know - do a google search for similar problems - 4) I would call HK ASAP and ask if they have heard of similar problems - they usually log into their databases - lookup the different issues - so they definitely can be of help here - by the way -that amp looks like a gem on the inside - what a beauty - take care - -by putting the amp away - the feedback is reduced - that is normal - similar to some turntables being close to amps or speakers - I would avoid using the amplifier before getting it checked if the wiring and hookup is ok - blown diaphragms can be your next problems - so be careful- - -
K-77 square magnet vs. round magnet tweeters
OO1 replied to biglaz's topic in Technical/Restorations
I would most definitely wait to have an exact pair - and verify which crossover you have for your HERESY I - E or E2 - the round k77 uses an alnico magnet - the square k77 uses a ceramic magnet - the round K77 reaches I believe 14-15khz - the square up to 17khz - -either one will give you great sound -but only a pair will result in a balanced sound - if you can post pictures of the tweeters with a DCR reading - we can give you even more details as to what you have in your hands - -
I need to refinish the scala cabs - that's not cheap - but the internals are in mint condition - I have cornwalls and I love the sound - especially playing 70 's sound - building a pristine pair of cornwalls cabs is hey not a bad alternative - and I can always take my time to fix my scalas - a few screws and they can be retrofitted - I am not scrapping my scala cabs - in any case - tx
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Gentlemen- I am looking for drwings to make a cornwall type cabinet - I have 3 old scalas that I can use as donor units - I would appreciate any help from a forum member - most obliged -
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Sir - are the cabinets sold - if they are , what a great and beautiful pair -- do you have the drawings of the cabinets - I would love to make 2 cabinets - I have old scalas that could be donor units - most obliged -
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I am doing a follow up on this thread in regards to K28 woofers in Heresy and Heresy II - Klipsch's own Trey Cannon had mentionned that the K28 also worked well in a Heresy II - - after 2 years , can you please give us an update on how the k28 is behaving - thank you
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I would take the chance - if they were well packed - but you made them and they are super looking cabs - take care -
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if they are still available , I'll take them - PM sent - tx
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k53-k52-k57-k61 - are there any differences between these drivers
OO1 replied to OO1's topic in Technical/Restorations
I wanted to thank HudsonValleyNoah , for giving us such a cool essay on the K52H, K53, K-57, K-61 and K-55 motors - thank you for taking the time to answer our questions - regards -
very interesting do you have pictures of these black formica scalas -were there any vibrations from the added formica tx
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W.C , privately owned Cobras are so rare - I saw this video that actually shows a civilian Cobra -
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Aye , Aye , Sir - and heli001 will have kits made to add the trim - polished up , they should look real good -
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I was looking for the best way to fibreglass lascala and heresy cabs - I cant find any thread showing this process - are the cabinets all lined with fibreglass cloth and covered - then painted- or is there another easier way to do it - tx
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heli001 , Please cound me in - I was under the impression that the original product was brushed stainless - it actually was aluminium alloy -thanks for the clarifications - I really like the original look and material -
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can you please expand on how you digitally restored your labels - this is very interesting - I was under the impression that you could ask klipsch to simply reissue the sticker based on the proper proof of ownership -
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I have a couple of k77's that dont work - but I also have 2 EV ST350B tweeters that I had on spare for EV S1503 cabs brand new in the box - can I interchange the horn lens from the two - can I split the horn lens of the ST-350B and replace it with a k77M- -I split my lens horn from the k77M - Man , was I affraid to damage the cup assembly - but the EV ST350B is one solid part - are these splittable or is this a fixed part - anyone have any input I would really appreciate - tx
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thank you for the advice -
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Colter has used the word BEAST - right on -
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that is very right indeed on both counts , 12khz is normal for most of us - the higher levels are not warranted by current health standards - one is better to care of his hearing , I second fritz on that wise statement -
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so much for the worlds best tweeter - the EV t350 is considered as one of the best ever made -
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I am curious about the EV T350 versus the K77 alnico or M , this tweeter is so much bigger - I just remembered that I had a pair unused in 30 plus years - time to play them or sell them thanks for any info -