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Marantz HD 66 - Speakers ?

hspLOBO

Active Member
Does anyone have insight on the Marantz HD 66 Speakers ? are they traditionally a good quality speaker ? I see a pair for $25.00 without grills, but other than that seem in good shape.

Insights ?
 
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Yessir, I have a pair myself. Mine still retain the original foam grills, which I keep shrinkwrapped for fear of deterioration. It's virtually impossible to find them still intact after 32 years. As long as they haven't been abused sonically and the voice coils are not warped, they should be superior to nearly anything you could buy today. Very high Quality constructed drivers and cabinetry. Crossover is a bit shaky but they get the job done nicely with clean, crisp highs & mids with clear undistorted, tight bass. It really depends on your taste of sound reproduction. The HD 66's appeal to my picky nature and if you knew me, you would know for sure that they are great speakers:) I'd get 'em and tease the hell out of someone who bought a pair of $750 speakers as they would sound just as good, hehehe! Have a look at my HD 66's as they are probably the only ones left on the planet still with the original foam grills!
http://www.audiokarma.org/gallery/showphoto.php?photo=5056&size=big&cat=&ppuser=28748
 
That means that the woofers surrounds are rotted and need to have new surrounds installed. It can be challenging to someone who has never done it before, but if you have a high mechanical aptitude, it should be pretty easy. I refoamed mine myself and the HD 66's woofers are very forgiving with a very solid spider beneath the woofer cone, which help keep the voice coil in proper alignment during new foam installation:) I got my new foams from www.speakerrepair.com and with the cost of the kit, you'll still be money ahead compared to other options. Try to be careful removing the outer gasket so that you can re-use it on the new surounds. I am thoroughly skilled with the labor involved for refoaming woofers and if you ever need any input, just shoot me a Private message. The best way to get the gasket off is to use alcohol in a dropper and go around the outer edge between the outer gasket and frame, soak the old adhesive so the gasket will come off easier with a small automotive gasket scraper. be careful of the fragile nature of the outer edge of woofer cone. the slightest slip could be catastrophic. At no point should you EVER consider replacing the original woofers with aftermarket ones. They will not sound as good and in most cases will not have the proper damping matched to the original crossover and cabinet acoustics. They also have a bass reflex port on the top right corner, they came from factory with a closed cell foam plug Marantz called "Vari-Q". That will most likely be deteriorated also and will have to be replaced. That all depends on your musical reproduction tastes. You may like the sound with the ports open, you'll just have to see for yourself.

Charlie:nutz:
 
Wow ! appreciate the insight/education. I'm gonna go take a look at these over the weekend. thanks !
 
HD 77s

I haven't heard the 66s but I have the HD 77s and I would put these up against the JBL Centuries any day for bass, mids, highs, and they will handle more than twice the power. Sensitive too, I power them with a 2238B and they play very loud with those. With a 100 WPC amp, they are very impressive speakers.
 
wow thats cool AArdvarq. I tried to get a nice pair of HD 77's a month ago but the seller was unresponsive to my inquiries. Do your 77's still have the original foam grills?? If they do I would love to see a pic of them. My 66's still have the foamies intact, LOL!
 

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I've never heard 66s, either, but I have 77s and 88s, and I like them very well. I would agree that they sound better than L100s, I'll let you know how they compare to L150s when I get mine together.
 
Yessir, I have a pair myself. Mine still retain the original foam grills, which I keep shrinkwrapped for fear of deterioration. It's virtually impossible to find them still intact after 32 years. As long as they haven't been abused sonically and the voice coils are not warped, they should be superior to nearly anything you could buy today. Very high Quality constructed drivers and cabinetry. Crossover is a bit shaky but they get the job done nicely with clean, crisp highs & mids with clear undistorted, tight bass. It really depends on your taste of sound reproduction. The HD 66's appeal to my picky nature and if you knew me, you would know for sure that they are great speakers:) I'd get 'em and tease the hell out of someone who bought a pair of $750 speakers as they would sound just as good, hehehe! Have a look at my HD 66's as they are probably the only ones left on the planet still with the original foam grills!
http://www.audiokarma.org/gallery/showphoto.php?photo=5056&size=big&cat=&ppuser=28748
Is there a backer board that the foam grilles attach to?..Or recesses cut out on the backsides of the foam to clear the drivers?
 
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