Anyone ever heard Yamaha NS-625 or 645??

Andy G · 5th March 2004, 11:47 PM

or know anything about them, have pics etc??

TIA AG

rabbitz · 6th March 2004, 04:27 PM

Here's a link to the owner's manual...... might be of some help.

http://www2.yamaha.co.jp/manual/pdf/...sys/NS-625.pdf

Andy G · 6th March 2004, 09:07 PM

.. I did try to find something like this, oh well !!

rabbitz · 7th March 2004, 12:23 PM

You looking at a rectangular box....... I don't believe it.

Andy G · 7th March 2004, 07:26 PM

I have a pair of the JA-0510 tweeters (45mm dome?) from those models, and I am considering trying to combine them with the 8" Jaycar Carbons I have on the shelf. Was wondering if the tweeter really goes to 20k or if it suffers from off-axis drop.

Your link shows that, as suspected, the -20kHz claim is a bit of a furphy...it actually drops off around 16k.. (so it should be a good match to my hearing !!!)

Probably use 2nd order AR based series, around the 2k+ mark, as shown on the link page.

Aim is a black trapezoidal cabinet, with solid Tassie Blackwood front baffle. Slot vented. Tuned to about 30Hz. Full design yet to be figured.

rabbitz · 8th March 2004, 12:06 PM

Better than my hearing.

That's a big dome....... had a 35mm dome on some Yamaha NS10M's that I used to have and I thought they were large. Helped to crossover at 2000Hz though.

tavovipro · 17th June 2008, 09:57 AM

HI , IIM TAVO FROM SANTIAGO, CHILE, WELL I HAVE A PAIR OF SPEAKERS Yamaha ns 645 conected to an amplifier Yamaha CR 200e and are in perfect condition and the sound is amazing..
well that's all.
greeting from chile
tavo

5th March 2004, 11:47 PM	#1
Andy G diyAudio Member Join Date: Apr 2002 Location: Newcastle, Australia	Anyone ever heard Yamaha NS-625 or 645?? or know anything about them, have pics etc?? TIA AG

6th March 2004, 09:07 PM	#3
Andy G diyAudio Member Join Date: Apr 2002 Location: Newcastle, Australia	ta muchly.... .. I did try to find something like this, oh well !!

7th March 2004, 12:23 PM	#4
rabbitz diyAudio Member Join Date: Jul 2003 Location: Newcastle, Australia	No problemo You looking at a rectangular box....... I don't believe it.

7th March 2004, 07:26 PM	#5
Andy G diyAudio Member Join Date: Apr 2002 Location: Newcastle, Australia	reason for looking.... I have a pair of the JA-0510 tweeters (45mm dome?) from those models, and I am considering trying to combine them with the 8" Jaycar Carbons I have on the shelf. Was wondering if the tweeter really goes to 20k or if it suffers from off-axis drop. Your link shows that, as suspected, the -20kHz claim is a bit of a furphy...it actually drops off around 16k.. (so it should be a good match to my hearing !!!) Probably use 2nd order AR based series, around the 2k+ mark, as shown on the link page. Aim is a black trapezoidal cabinet, with solid Tassie Blackwood front baffle. Slot vented. Tuned to about 30Hz. Full design yet to be figured.

17th June 2008, 09:57 AM	#7
tavovipro diyAudio Member Join Date: Jun 2008	I HAVE THE YAMAHA'S NS 645 HI , IIM TAVO FROM SANTIAGO, CHILE, WELL I HAVE A PAIR OF SPEAKERS Yamaha ns 645 conected to an amplifier Yamaha CR 200e and are in perfect condition and the sound is amazing.. well that's all. greeting from chile tavo


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6th March 2004, 04:27 PM	#2
rabbitz diyAudio Member Join Date: Jul 2003 Location: Newcastle, Australia	Here's a link to the owner's manual...... might be of some help. http://www2.yamaha.co.jp/manual/pdf/...sys/NS-625.pdf

8th March 2004, 12:06 PM	#6
rabbitz diyAudio Member Join Date: Jul 2003 Location: Newcastle, Australia	Better than my hearing. That's a big dome....... had a 35mm dome on some Yamaha NS10M's that I used to have and I thought they were large. Helped to crossover at 2000Hz though.

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