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 Forum: Speakers   Topic: Sound Dynamics tweeter - looking for a source for diaphragm

Posted: Thu Jun 28, 2018 4:01 am 

Replies: 4
Views: 370

The original Brown Phenolic diaphragms are not available but diaphragms for Klipsch K76 fit with a slight enlargement of the 3 alignment pin holes. The Chinese "SS" brand diaphragm is Black in colour, inexpensive & available all over the web. I've used them, they sound & work well.

 Forum: Speakers   Topic: Tannoy Windsor Speaker Help

Posted: Thu Jun 21, 2018 4:10 pm 

Replies: 7
Views: 508

I'm not sure what your specific model requires but for my DC 12" Royal Blue's (HPD), I purchased from They were good to deal with & surrounds were the proper shape required for these units. Generic surrounds will not work due to the unique shape of t...

 Forum: Amplifiers/Preamplifiers   Topic: Bryston Power Amps

 Post subject: Re: Bryston Power Amps
Posted: Mon Jun 18, 2018 5:14 am 

Replies: 60
Views: 5463

The 20 year warranty is a marketing vehicle. Nobody keeps an amplifier for 20 years anymore and quite typically, a Bryston amplifier might have 5-10 owners in its lifetime. Like cars, it is a proven trend that a new vehicle sold will have 3-5 owners during its lifetime and warranties are adjusted k...

 Forum: Tuners (Radio)   Topic: Diplexer to run satellite and fm radio on one line?

Posted: Mon Apr 16, 2018 5:48 pm 

Replies: 8
Views: 635

I've used the Diplexers for that purpose for years with no problems. From years as Cable/Broadcast tech, I would try to protect outside unit from rain, tighten all connections with wrench (not too tight, just slightly more than hand tight) & use Vulcanizing tape over connections if they are not ...

 Forum: Speakers   Topic: Cerwin Vega price?

 Post subject: Re: Cerwin Vega price?
Posted: Wed Jan 24, 2018 6:39 pm 

Replies: 22
Views: 1198

vinylbrother & brownslane said it well with good advice. And Yes, ignore the haters, unfortunately you will get a lot of Snob comments here. CV's definitely have their purpose & place, nothing like them to rock AC/DC or ZZ Top or for the party where you let the drunk idiot friend play DJ :D ...

 Forum: Speakers   Topic: Upgrading from Energy pro 22

Posted: Wed Jan 24, 2018 6:24 am 

Replies: 35
Views: 2124

I have owned Energy 22's since the mid 80's & still love them. I have bought, sold, compared many other speakers over the years & could always pick out the 22's in blind tests. I even went as far as to collect spare drivers by purchasing pairs with a failed driver which generally sell cheap....

 Forum: DIY   Topic: Sourcing sub and speaker flat packs? Drivers too.

Posted: Thu Dec 21, 2017 9:17 pm 

Replies: 14
Views: 1388

I've purchased from Parts Express a few times & found it easy & hassle free. Shipping was very reasonable for Dayton Ultimax 18's which were big & heavy & included the duty & tax. Unfortunately shipping for flat packs was too high & not worth it. Try to find a local cabinet m...

 Forum: Vintage Audio   Topic: Bridging a pair of Nikko Alpha-220 amps

Posted: Thu Nov 09, 2017 6:07 am 

Replies: 14
Views: 1636

According to the service manual, the Nikko Alpha 220 is rated at 130 wpc into 4 ohms @ .02% THD, so that would give you 260 watts into 8 ohms bridged, per amp. Probably a little more at clipping.

Nice looking rack set-up 8)

 Forum: Speakers   Topic: Sound Dynamics Tweeter replacement

Posted: Sun Oct 08, 2017 8:37 am 

Replies: 2
Views: 463

The 12S tweeter is compatible but will sound very different than the other unit. The original CM used Ferrofuid which is probably dried up now, so the 12S unit will sound very "bright" if it still has the original Phenolic Brown diaphram. While the original diaphrams are no longer availabl...

 Forum: Speakers   Topic: I need to build 2 speakers that will handle 1800watts each

Posted: Tue Aug 22, 2017 4:56 am 

Replies: 96
Views: 8657

What you are asking for is pretty tame in the Pro Audio world. :mrgreen: I would suggest visiting the Facebook group "Unofficial DIYSoundGroup Enthusiasts" or similar where you will receive more support & expertise than this site.

 Forum: Audio and CAM FAQs   Topic: 1979 Bryston 3B Amplifier Images & Questions

Posted: Mon Jul 17, 2017 7:48 pm 

Replies: 12
Views: 5118

I would guess it's not a 1979 build. Some of the changes you mention happened around 1982-84 according to some of the different schematics I just reviewed. Silver handles were also the norm on the old units. Your unit does look in great condition though! I would grab the serial # off the bottom &...

 Forum: Amplifiers/Preamplifiers   Topic: Behringer Inuke 3000 / 6000 / 4-6000

Posted: Sun Jul 16, 2017 4:50 pm 

Replies: 5
Views: 690

I tried to attach a Behringer PDF with RMS info but I guess it's not allowed. PM me with email & I'll send it to you. 3000 = 315/8, 620/4,1040/2 per channel RMS x 2 4-6000 = 315/8, 620/4,1040/2 per channel RMS x 4 6000 = 1100/8, 2200/4 per channel RMS x 2 I am currently running a EP4000 on a sin...

 Forum: Amplifiers/Preamplifiers   Topic: Behringer Inuke 3000 / 6000 / 4-6000

Posted: Sun Jul 16, 2017 3:58 pm 

Replies: 5
Views: 690

The 6000 is essentially 2 x 3000 in bridged mode, so only 4 ohm minimum. Need to buy another 6000 :twisted: :D

 Forum: Site Help, Suggestions and Requests   Topic: Need of a SOLD section on CAM

Posted: Sat Jun 24, 2017 9:01 am 

Replies: 27
Views: 3436

"The same model sold a few months ago for $150 more than you are asking. To be fair, I will offer you $150 more than your firm asking price." said no lowballer EVER. :lol: This seems like a useless feature that CAM should not spend the money to develop unless it is to be made available as...

 Forum: Site Help, Suggestions and Requests   Topic: Need of a SOLD section on CAM

Posted: Sat Jun 24, 2017 4:08 am 

Replies: 27
Views: 3436

Having an option to search "Sold" or "Completed" listings like on eBay would be very helpful. A Google search with correct terms will sometimes get you these but would be nicer through the CAM site. When marking an item "Sold", CAM prompts me to give the selling price o...
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