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Multi-Way Conventional loudspeakers with crossovers

Yamaha NS 1000 - Drivers Upgrade/Replacement
Yamaha NS 1000 - Drivers Upgrade/Replacement
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Old 2nd January 2019, 02:24 PM   #1
manivasu is offline manivasu
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Lightbulb Yamaha NS 1000 - Drivers Upgrade/Replacement

Hi All,

I am Mani from India. Happy owner of Yamaha NS 1000 Which is currently driven by Yamaha AX 900.

Recently I had issues with Yamaha Tweeters and Woofer due to the aging (yeah its 40+ years old) and magnet juice are reaching the End of Life.

Once I have replaced the Yamaha BE Tweeter on left ( purchased online) and Midrange too. Since the replacement drivers are old too I no longer have thought of replace them with originals.

As all know the Yamaha NS 1000 Cabinet solid build ,planning to replace the Woofer,tweeter and Midrange once they stop working, frankly speaking we cant ask more with 40+ years drivers anymore. My dream is to replace some quality drivers to justify the cabinet without much work.

1.Morel CAT 308 replaced the BE Tweeters, the sound quality has dipped still very decent sound I get from these tweeters.

2.One of the Woofers Magnet ,Hence I have ordered Dayton DC 300-8 12'' Woofer which should fit within the cabinet without any alteration.I am Yet to receive the woofer to install and see if the money is well spend on the woofer to match atleast to certain level of Original woofers.

3.The Midrange are fine working and I am looking for a decent replacement without breaking bank.

I listen average and above average volume and more in India Music and Progressive Rock.

DIY Forum has helped me to escape from nightmare when I think about aging Speaker . Successfully i have rewired the drivers for one Speaker with 16 Awg for Woofer and 18 AWG for Midrange and Tweeter.

Any suggestions for the Midrange are welcome also let me know any good replacement woofer in case Dayton DC 300-8 is not impressive.
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Old 2nd January 2019, 05:06 PM   #2
Hydrogen Alex is offline Hydrogen Alex  United Kingdom
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Default buy original parts from ebay etc

I would suggest replacing as many of the original driver and crossover parts with original spec components scavenged from ebay i e you might get really good bass or midrange drivers from a pair with blown tweeters etc.

Lots of links if you google for refurbishing and or upgrading NS 1000 speakers ie
Yamaha NS-1000M Refurbishment | pink fish media

Good luck and happy new year!
Cheers
Alex.
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Old 3rd January 2019, 03:07 AM   #3
manivasu is offline manivasu
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Hi Alex, wish you happy new year
Thanks for the link and that one shows the love one have for these speakers 100% dedicated and hardworking in fact he upgraded the speaker with original drivers. Wish could try such justice to my speaker as well, bit being in second grade country like India getting the replacement parts from Europe with shipping would cost too much and we have pathetic postal service ( have very had times with shipping ). Also technician who could help around are minimal too. I can't refurbished the speakers but can try keep them safe and singing with original or better match
Thanks again for the reply and post, I am yet to read the refurbished post completely hope it gives more details to move forward.
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Old 3rd January 2019, 03:07 AM   #4
manivasu is offline manivasu
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Hi Alex, wish you happy new year
Thanks for the link and that one shows the love one have for these speakers 100% dedicated and hardworking in fact he upgraded the speaker with original drivers. Wish could try such justice to my speaker as well, bit being in second grade country like India getting the replacement parts from Europe with shipping would cost too much and we have pathetic postal service ( have very had times with shipping ). Also technician who could help around are minimal too. I can't refurbished the speakers but can try keep them safe and singing with original or better match
Thanks again for the reply and post, I am yet to read the refurbished post completely hope it gives more details to move forward.
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Old 27th January 2019, 05:49 PM   #5
manivasu is offline manivasu
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Could Anybody suggest best Online website to buy 12'' Woofer Mounting Clamp ? I see few JBL MA15 clamps in Ebay and usspeaker.com but high shipping to India (where I live) . Prefer European Website, which have decent shipping cost. Thanks for you Help.
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Old 17th February 2019, 04:54 AM   #6
manivasu is offline manivasu
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Hi,


Like to register my observation after replacing the Stock woofer with Dayton dc 300 and I would say I am not so impressed ( I do agree that they cannot do justice to the Originals,Still)


The Dayton has some really Good Low end bass, but lacking the Mid bass with backing up the vocals ,which is sweetest of Yamaha ns1000 whole as speaker.


I had to reduce the gain to the Mid and tweeter using LPAD for normal listening.The new woofer has less sensitivity which needs more power to bring bass out. As of now its find, But again am in search of decent woofer to bring the midbass to back up the mid-range for getting sweet spot back.


Any suggestions is welcome, I see all the one who using Yamaha NS1000 should think about option to replace the lousy Woofer which slips due to the Age.
I could spend max 150 per woofer ,which fits to the cabinet without any wood work(Yes ,I love the sturdy Build)


Thanks for reading and suggestions.
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Old 17th February 2019, 06:19 AM   #7
Moondog55 is offline Moondog55  Australia
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Perhaps saving for a new Yamaha NS5000 rather than spending a huge amount of money on S/H drivers and parts
500 Series - Speakers - Yamaha - Australia
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QUOTE" The more I know, the more I know, I know (insert maniacal laugh >here<) NOTHING"
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Old 17th February 2019, 07:24 AM   #8
fatmarley is offline fatmarley  England
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If you can't afford the original parts, then you would be better off selling them and buying something else. Somewhere like pinkfishmedia would give advice on a replacement. You can't just stick some random drivers in a box and expect it to sound good. It will only ever sound bad.

Seems odd that the drivers are failing, even if they are old. Lots of people own these classic speakers and I've never heard of the drivers systematically failing.

Last edited by fatmarley; 17th February 2019 at 07:30 AM.
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Old 17th February 2019, 07:29 AM   #9
fatmarley is offline fatmarley  England
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Read here to see what's involved - LINK
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Old 17th February 2019, 01:53 PM   #10
manivasu is offline manivasu
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Fatmarley,


Thanks for the Post. I could get the exact replacement but only the Old one's (Yamaha stopped replacement drivers a decade back) and these Drivers magnet could slip during transit am avoiding it.


True that no Drivers could replace the original,But am looking for a decent replacement.Anyways will try to use the cabinet with new crossover and Drivers which I feel better option than to sell it off ,as its not easy to find a buyer in India without Original drivers also I love these cabinets :-).


Thanks for the Link, will go through and get into a right conclusion.
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