AVForums South Africa

Audio/Video Hardware => The Vintage Audio section => Topic started by: Arno007 on November 09, 2017, 09:30:29 PM

Title: Advice on replacemet drivers
Post by: Arno007 on November 09, 2017, 09:30:29 PM
Hi. I need some advice on replacement drivers. I need a pair of drivers that will fit a 171mm cut-out.  I have spent the last two years looking, but found nothing that fits. It is not a 6.5" and it is not an 8". I have looked at hundreds of spec sheets but found nothing that fits. Any advice would be dearly appreciated. :nfi:
Title: Re: Advice on replacemet drivers
Post by: Christo on November 09, 2017, 10:22:56 PM
Hi. I need some advice on replacement drivers. I need a pair of drivers that will fit a 171mm cut-out.  I have spent the last two years looking, but found nothing that fits. It is not a 6.5" and it is not an 8". I have looked at hundreds of spec sheets but found nothing that fits. Any advice would be dearly appreciated. :nfi:

Cut bigger holes


Sent from my iPhone using Tapatalk
Title: Re: Advice on replacemet drivers
Post by: bbe22 on November 10, 2017, 08:20:10 AM
................................quite a few 170mm  dia drivers
eg

https://www.madisoundspeakerstore.com/scanspeak-woofers-6-7/scanspeak-classic-p17wj00-6.5-woofer/
Title: Re: Advice on replacemet drivers
Post by: bbe22 on November 10, 2017, 11:50:25 AM
............and those from SB acoustics   (all SB 17 models)   eg
http://www.sbacoustics.com/index.php/products/midwoofers/mfc/6-sb17mfc35-4/
Title: Re: Advice on replacemet drivers
Post by: bbe22 on November 10, 2017, 01:09:56 PM
and this Visaton    :)

https://www.parts-express.com/visaton-w170-8-65-woofer-8-ohm--292-582
Title: Re: Advice on replacemet drivers
Post by: Arno007 on November 10, 2017, 09:54:41 PM
Hi. Thanks for the reply. Looking at these three examples I see the same. They fit a cutout of 146mm. In need drivers that fit a cutout of 171mm. That would add up to a total OD of about 7" or 7,5". Not so common.
Title: Re: Advice on replacemet drivers
Post by: bbe22 on November 11, 2017, 10:22:57 AM
Ahh    miscomm   thought u need overall dia of such    ........ in that case see post #2 by christo ??

Title: Re: Advice on replacemet drivers
Post by: fredeb on November 22, 2017, 10:41:43 AM
Seems to be a case of the cutout needing to be enlarged to take an 8 inch driver , as Christo and BBE say . Why don't you post a pic of where the driver must go ( part of a 2-way or 3-way ? Mid duty , mid-woofer duty ? ) . Chances are , someone on the forum will have a pair of drivers that will work in your application .
Title: Re: Advice on replacemet drivers
Post by: Shonver on November 22, 2017, 11:12:50 AM
Dayton RS180 https://www.parts-express.com/pedocs/specs/295-375--dayton-audio-rs180p-4-spec-sheet.pdf
Title: Re: Advice on replacemet drivers
Post by: fredeb on November 22, 2017, 11:50:16 AM
Dayton RS180 https://www.parts-express.com/pedocs/specs/295-375--dayton-audio-rs180p-4-spec-sheet.pdf

Hi Shonver - the driver you posted requires a cut-out of 146mm , arno007 requires a driver that fits a cut-out of 171mm .
Title: Re: Advice on replacemet drivers
Post by: Shonver on November 22, 2017, 11:58:30 AM
146 should be OK, as it is smaller.
Title: Re: Advice on replacemet drivers
Post by: Raj Nair on December 11, 2017, 07:00:38 AM
there are ring plates diff sizes available to suit diff size spks