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    Crown amp DSP for JBL 460 build

    After having an 18 inch JBL 2245 and an 8 cubic foot enclosure I built for it in the 1980's, I finally am trying to set it up with my home built cabinet L-300's to mock up the 460 sub. Having given...
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    side surrounds and horns

    No offense taken. I was just jokingly emphasizing how little side room I have. I am looking at putting them a foot or so off of the floor and a couple of feet forward of my listening position on...
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    Sorry for the delay in response but for some...

    Sorry for the delay in response but for some reason I never got an email notifying me of your response. The horns I have (2345) are monsters and take the length with the LE85 to over 20 inches. ...
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    Short horns for LE 85

    I have a spare pair of LE 85 drivers. Original diaphragms not likely. I am buying a pair of JBL 3677's (15"bass with compression driver&horn Cinema series) to use as side surround channels in a...
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    JB2206 with LE 85 and Beyma CP21/f slot radiater tweeter. (cheap jbl 077 hopefully)

    I am trying to build a strong dialogue supporting center channel for my home theater setup. I will be using the JBL 2206 for the bass (fully supplemented by a SVS 13 sub coming thru at somewhere...
  6. crossover design for a JBL 2206 in small sealed box as a 136A substitute for L-300

    Ok, got a used le 85 and a mock 077 (Beyma CP21/F 1-Inch 8 ohm 50 watt High Frequency Compression Slot Tweeter) coming next week. I think I can just use the Nelson Pass crossover for the top end of...
  7. selection of horn driver and crossover changes for 16 ohm pro drivers

    I have a JBL 2341 horn and received that JBL 2461 compression driver with a phenolic diaphragm. Do you think I could use those with the four 6" bass drivers in a Reference Klipsch 64 II just using...
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    077

    May need to find an 077 I guess.
    I can always try the 077 versus the 075 since I have 4 of the 077's in my system. Funny, I can barely hear the 077's in my two systems unless I put my ear within...
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    I have an old 075 bullet tweeter with new...

    I have an old 075 bullet tweeter with new diaphragm I was going to use. Unfortunately my 72 year old hearing is very lossy above about 8000 cps. I would sure like to try a JBL 375 with horn if I...
  10. Front center dialogue channel between pr of L-300's

    I currently have a klipsch reference 64 II center channel. Really a mismatch voice for the front L&R JBL L-300s . System is clearer if I turn off the klipsch. I want something with great vocal...
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    home theater center channel between a pair of l-300's ?

    I have L-300s in homebuilt cabinets for front channels. I bought a klipsch reference 64 II and that $1200 was a real waste. The system is better on clear dialogue with the l-300s alone. Since...
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    Center channel compression driver

    I have a pair of L-300's in home built cabinets for my front and left channels in my home theater setup. I bought a Klipsch 64 II reference for a center channel as it was touted for excellent...
  13. 4343 look alike here

    http://www.audioheritage.org/vbulletin/showthread.php?35834-I-have-JBL-4341-4-way-For-Sale

    See the above for info on a look alike for the 4343
  14. J b l 4343

    I found the jbl sub that was using the 18 inch driver It was a B460. The driver is apparently a 2245. I cannot see the label on mine as it is in the box and I refuse to pull it just to look! ha...
  15. second sub may be un necessary

    Initially I had a Heathkit crossover and built a 6th order to use the big sub with my 4343 speakers. The 6th order I mentioned was the box tuning, not a crossover filter. I used 6 db/octave slope...
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    Marchand crossover with JBL 4343

    I have home built 4343 monitors with a Marchand crossover using a Heathkit 250w/channel on the 136A bass drivers and an Amber 100 w/channel amp on the top end with JBL designed passives and JBL...
  17. Use of subwoofers for older JBL studio monitors

    I have two home built L-200's and two home built 4343 monitors. Speakers and crossovers are jbl design and components but boxes are home built. I am using the L-200 types for front channels on my...
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    Gaskets

    I don't know if this would be considered good or bad but I use silicon aquarium cement. First I put a wipe of vasoline on the driver seating surface and the cabinet to prevent the stuff from gluing...
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    Should it be there at all?

    Is the 1.7 just a very slow slope to minimize the responce rise or is it part of the crossover at 300, or a phase thing? Should it be there at all with the active xover present? I'm using the JBL...
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    sound

    Pretty good I think. I still have to get my turntable set up but with a couple of CDs and tape deck they are nice. I will need to do a little level tweaking amongh the drivers but need to listen to...
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    graph with1/3 octave response, both channels driven

    24776If you select 1/3 octave for a view like in the JBL publication fot the 4343 it looks a lot better. This is quick sweep both channels at listening position. Each vertical step is one dB. I don't...
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    response mike on floor

    24774This is with the microphone on the floor rug as suggested by Ian.
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    pink noise both channels driven

    24773
    I tried saving from paint screenshot and it was terrible so photos will have to do.
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    better resolution both channels driven ppink noise as attachment.

    24772
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    latest 4343 responce

    I was trying to measure voltage drive but did not get anywhere with it. I tried conneting my speaker terminal pair instead of the microphone for input to the USB unit. I kept getting the whole...
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