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Goodmans rearloaded horn
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bob4 View Drop Down
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    Posted: 02 September 2010 at 1:25pm
Hi folks,

I recently saved two wardrobe- sized cabs from being trashed. One is empty, the other one has the original speaker in it. It is a goodmans triaxiom 615. 

Here is what the cabs look like. (Of course we had to wire it up LOL) 


 
The lower half of the speakers is basically empty, but I suspect they used to come with built- in tube amps. Here is a shot of the back of the cabs.



I noticed a funny thing, this speaker looks very similar to the one depicted on the cover of the original stalag 17 18 19 riddim sampler:




I'll try to post some photos of the driver and the interior of the speaker soon.....

Can anyone tell me more about these speakers and the company that built them? I spent several hours googling, didn't find much.






Edited by bob4 - 02 September 2010 at 1:26pm
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jbl_man View Drop Down
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Points: 11308 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jbl_man Quote  Post ReplyReply Direct Link To This Post Posted: 02 September 2010 at 3:28pm
They are enormous..must be 6 foot high? i dont think they were anything to do with Goodmans themselves,i had an early goodmans brochure (1974-75) and they had nothing like that,but the triaxiom driver was in it....i suspect these were either a custom-built job for an early sound system back then(although the build looks to good),or more probually they came out of a small commercial cinema....from behind the screen.
Be seeing you.
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bob4 View Drop Down
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Points: 1924 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bob4 Quote  Post ReplyReply Direct Link To This Post Posted: 02 September 2010 at 5:01pm
thank you for your reply jbl man! 

6 foot indeed! 

I opened the cabs again and made a few more pictures of the inside and the driver itself.

The cabs are from an old recording studio, I haven't been able to find any information on them. Maybe something will pop up in the paperwork that is left, but that would be the proverbial needle in the haystack.

here's a picture of the open cab from the front.....

........and from the back.



The driver still mounted to the baffle.......

.....and unscrewed.......
......and a closeup. This driver is just beautiful, a real work of art. The small HF horn is cast metal!


It seems goodmans was affiliated in some way with Tannoy, and I see immediately why Big smile

Shame I only have one driver Cry

Edited by bob4 - 02 September 2010 at 5:03pm
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jbl_man View Drop Down
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Looking at that driver,i would say its more like late 1960's.
Be seeing you.
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Tony Wilkes View Drop Down
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Agree with Ian deffo mid-late 60's . I have not seen one for years. Used a few of the Axiom 150,'s but never got my hands on this one.
Careful how much power you shove up it it will only be a few watts (15?) and for the comp only a couple.

Tony

p.s. Just found this http://yu-ra.tripod.com/goodmans/triaxiom.htm

This is a later version when the modernised the chassis


Edited by Tony Wilkes - 02 September 2010 at 5:26pm
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bob4 View Drop Down
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.....and here is a schematic drawing of the horn path
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bob4 View Drop Down
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Points: 1924 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bob4 Quote  Post ReplyReply Direct Link To This Post Posted: 02 September 2010 at 5:35pm
Originally posted by Tony Wilkes Tony Wilkes wrote:

Careful how much power you shove up it it will only be a few watts (15?) and for the comp only a couple.

Definitely, would be a shame to grill this baby. I have to say it gives nice sound.

The little metal cylinder probably contains a passive crossover. There is also a potentiometer attached to it with a long wire. It is for HF attenuation.
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Tony Wilkes View Drop Down
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Originally posted by bob4 bob4 wrote:

.....and here is a schematic drawing of the horn path




To be honest looks more like a labyrinth enclosure than a horn

Tony
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jbl_man View Drop Down
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That's probually an alnico magnet assembly if its 1960's Tony.

I have to say,the driver is in beautiful condtion considering its age.Very good find Bob.Well done.
Be seeing you.
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madboffin View Drop Down
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I think that 615 is a rare (and probably valuable) collector's item. Please don't blow it up.

We used to have one in an original Goodmans cabinet with that crossover and pad, in a place I worked at in the 70's. It lived in the corner of a vocal booth and was used for playback. It sounded OK as far as I remember, but I've never seen another. It dated from the early/mid 1960's.






Edited by madboffin - 02 September 2010 at 7:49pm
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bob4 View Drop Down
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Points: 1924 		Post Options Post Options   Thanks (0) Thanks(0)   Quote bob4 Quote  Post ReplyReply Direct Link To This Post Posted: 02 September 2010 at 8:09pm
Thank you for the input guys! Heck this is great but also annoying at the same time.  What are the odds I'll ever get my hands on a second unit to have a matching pair? 

I still hope to get some hints on the cab. I guess Tony is right about the design, it doesn't have a proper horn flare. The port is also smaller than the actual cross-section at the end of the labyrinth/rear path. 
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Thumbs Up nice find bet that driver is worth a small fortune to the right person ... look after it bud .. nice find
Pyrotechnics... its not rocket science, well.... actually it is !! :o)
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