Yamaha NS 15

onform · 26th July 2009, 07:52 PM

There is a pair of these loudspeakers for sale in a local second hand store.

Does anybody know of this loudspeaker? It is a very old design and seems to be open baffle.

I can't seem to find any details on them on-line though so thought I would see if anyone on here could help.

some sort of on-line manual would be wonderful.

also how much do you think they would be worth, I'm unable to ascertain the quality of the drivers themselves as they have fixed front grills.

Thanks

onform.

Geek · 26th July 2009, 08:05 PM

Any numbers on the basket?

Cheers!

onform · 26th July 2009, 08:14 PM

Sorry when I said they seemed to be open baffle what I meant was there are large slots cut into the sides of the enclosure and large openings cut into the rear but they have grill cloth covering the openings so I would not be able to see the numbering on the baskets.. Sorry if I seem not to know what I'm talking about but thats because I don't...lol

Do you have some experience with these loudspeakers??

tomtt · 26th July 2009, 08:57 PM

this is the speaker, with the driver shaped like an ear.

http://66.196.80.202/babelfish/trans...r%2fns-15.html

onform · 26th July 2009, 09:09 PM

That's the one cheers.

Does anyone know what the general consensus was with this design, I suppose the fact that there has been nothing like it since should be some indication. was it a flop?

would the main driver have perished over all these years?

DAMIC · 27th July 2009, 11:30 AM

Hi,

Friend of mine bought a pair last year. Two-way speaker, actually works as open baffle with 10cm frame, very fine midrange, bass and highs, not something special. Very sensitive, over 90dB. power is about 15w. Due to aging, big styro-phoam membrane simply evaporate, so the black plastic surface makes some kind of wrinkles - air pockets. Allegedly, there are very rare and were made primarily for early electric organs/pianos.

As said, midrange is very fine, probably due to big surface and my friend is planning to modify i.e., change the tweeter and add a new sub.

tomtt · 02:49 AM

here are photos of one pair from japan

NS-152 -

http://66.163.168.225/babelfish/tran...dmt_system2006

tomtt · 2nd September 2009, 02:49 AM

Geek · 2nd September 2009, 03:06 AM

That thing is art... I'd LOVE to hear it!

Cheers!

CLS · 2nd September 2009, 03:27 AM

Quote:

Originally Posted by tomtt

http://66.196.80.202/babelfish/trans...r%2fns-15.html

Wow!

40Hz - 18000Hz
98dB/W !!

26th July 2009, 07:52 PM	#1
onform diyAudio Member Join Date: Apr 2008	Yamaha NS 15 There is a pair of these loudspeakers for sale in a local second hand store. Does anybody know of this loudspeaker? It is a very old design and seems to be open baffle. I can't seem to find any details on them on-line though so thought I would see if anyone on here could help. some sort of on-line manual would be wonderful. also how much do you think they would be worth, I'm unable to ascertain the quality of the drivers themselves as they have fixed front grills. Thanks onform.

2nd September 2009, 02:48 AM	#7
tomtt diyAudio Member Join Date: Aug 2002 Location: kansas city mo, and on occasion, around the world ... Blog Entries: 15	here are photos of one pair from japan NS-152 - http://66.163.168.225/babelfish/tran...dmt_system2006 Last edited by tomtt; 2nd September 2009 at 02:49 AM. Reason: 122

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26th July 2009, 08:05 PM	#2
Geek diyAudio Member Join Date: Sep 2004	Any numbers on the basket? Cheers!

26th July 2009, 08:14 PM	#3
onform diyAudio Member Join Date: Apr 2008	Sorry when I said they seemed to be open baffle what I meant was there are large slots cut into the sides of the enclosure and large openings cut into the rear but they have grill cloth covering the openings so I would not be able to see the numbering on the baskets.. Sorry if I seem not to know what I'm talking about but thats because I don't...lol Do you have some experience with these loudspeakers??

26th July 2009, 08:57 PM	#4
tomtt diyAudio Member Join Date: Aug 2002 Location: kansas city mo, and on occasion, around the world ... Blog Entries: 15	this is the speaker, with the driver shaped like an ear. http://66.196.80.202/babelfish/trans...r%2fns-15.html

26th July 2009, 09:09 PM	#5
onform diyAudio Member Join Date: Apr 2008	That's the one cheers. Does anyone know what the general consensus was with this design, I suppose the fact that there has been nothing like it since should be some indication. was it a flop? would the main driver have perished over all these years?

27th July 2009, 11:30 AM	#6
DAMIC diyAudio Member Join Date: Jan 2006 Location: Beograd	Hi, Friend of mine bought a pair last year. Two-way speaker, actually works as open baffle with 10cm frame, very fine midrange, bass and highs, not something special. Very sensitive, over 90dB. power is about 15w. Due to aging, big styro-phoam membrane simply evaporate, so the black plastic surface makes some kind of wrinkles - air pockets. Allegedly, there are very rare and were made primarily for early electric organs/pianos. As said, midrange is very fine, probably due to big surface and my friend is planning to modify i.e., change the tweeter and add a new sub.

2nd September 2009, 02:49 AM	#8
tomtt diyAudio Member Join Date: Aug 2002 Location: kansas city mo, and on occasion, around the world ... Blog Entries: 15

2nd September 2009, 03:06 AM	#9
Geek diyAudio Member Join Date: Sep 2004	That thing is art... I'd LOVE to hear it! Cheers!

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