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> Classifieds > > Electro-Voice Model 12TRXB Tri-axial Speaker 12 Inch

OFF - FOR SALE: Electro-Voice Model 12TRXB Tri-axial Speaker 12 Inch

Item #649408563
Info: Electro-Voice Model 12TRXB Tri-axial Speaker 12 Inch

Asking Price:
CAD $600.00
Payment method: Cash, Visa, Paypal, Interac/EMT
Shipping weight: 15.00 (kg) Calculate Shipping
Shipping Dimension: 55.88cm x 45.72cm x 45.72cm
Condition: 9 - Excellent (?)
Date Posted: Oct 01, 18 5:56am (PST)
Edited: Nov 01, 18 6:40am
About Seller: bborowski
London, ON
Canada
[other classified ads]
Product Brand: Electro-Voice (EV)
Product Model: Model 12TRXB
Feedback Received: 1  See details
100% Positive Feedback
External Feedback: brucborowsk0 (9)
Days in System:32
Ships to: Canada, United States
Shipping Cost:
  • Allow Local Pickup
  • Canada: $100.00 (standard)
  • United States: $200.00 (standard)
Views:118
Avg. Views/Day:3.69

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Description

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** This Ad is Marked as OFF by seller and cannot be responded to. **

You Will Never Ever Find a set of these particular speakers in such Excellent Condition. These are a set of 12 inch triaxial speaker with crossover 3500 hz and a separate tweeter and tone control. I have a full complete set of them 2 - 12 inch speakers and matching crossovers, tweeters, and tone controls: these also have an extra set of tweeters with them. I have never seen another complete/ extended set of components anywhere: not even on ebay. They work as they should and sound better than most of the newer stuff today because these were made in the USA not china! These were made in the 50's or 60's and are extremely rare, sensitive and are in amazing condition. I have seen a 4-5 sets for sale and none of them even come close to the condition these are in.

Click the link to get the specifications, and reviews

http://www.mcmlv.org/Archive/HiFi/ElectroVoice12TRXB.pdf
http://glowinthedarkaudio.com/electrovoice-12trxb.html
http://forums.stevehoffman.tv/threads/electro-voice-speakers-the-best-in-the-day.151546/
http://stereonomono.blogspot.ca/2016/06/electro-voice-12-trxb.html

These are in excellent condition and look like new- they were removed from 2 large ungodly cases that had thick speaker cloth which explains why they look so good . I suspect they weren't in direct sunlight either judging by their condition. The foam which seals the extra stand alone tweeter face to the cabinet needs to be replaced. It is (((( NOT! )))) part of the tweeter, and seals the tweeter face to the baffle plate! I will pack and ship anywhere in Canada and continental USA ... Buyer pays Shipping. I can replace the foams on the tweeters at buyers expense but prefer they do it to suit their installation. I have cleaned the old foam off and they are ready to go.. they have been tested and read 6 ohms.
I have some pdf manuals for these speakers if you are interested in them.
You WILL NOT find a pair in as good condition as these . ever.


Additional Information:

Aug 07, 18 9:55am
I will build speaker enclosures for these " my own design" or your's... if you wish,.... for these if requested, please enquire....

Aug 07, 18 10:20am
I am an Eng. Tech and can build any case you can imagine

Aug 19, 18 12:50pm
I have been doing research and development on speaker enclosures for 7 years now and have discovered that you can change the way a speaker sounds so that you can't even recognize the original sound.......... you can change the way a speaker sound 1000% by modifying the enclosure behind the speaker....... you see I realized a long time ago that square shaped speakers are a joke! Most of the internal reflections come back out the diaphragm so the speaker is trying to produce two sound waves at the same time.Granted they are milliseconds apart but still......... Can you say two words at the same time....... this is a major cause of distortion and as any boring audiophile brainiac will tell you the thinner the diaphragm the worse it gets! I don't have square internals..... I created sound traps, and what's even more crazy is...... I figured out how to build adjustable internal volume speaker enclosures......... yes that's right you can tune them while they are playing. Every self respecting audioholic should be able to grasp the concept that theory is just theory: practical proof and experience are the real marks of building innovative creations. What's even more crazy is I figured out how to incorporate adjustable air ports so that you can also control the xmax exsquisitely, precisely and easily......... I don't care if you believe me or not..... the proof is where the sound wave meets the ear drum. if you require proof just contact me and you can listen for yourself............

Aug 26, 18 3:56pm
I've come to the conclusion the speaker enclosure is just as or is even more important then the driver in many respects................. as I believe all square shaped cased speakers are inherently flawed from the get go, as they promote internal reflections which come right back out the diaphragm. Is that a too obvious and contradictory concept to grasp??? It shouldn't be: I hear it all the time and been hearing about ti for years; yet most speaker companies use this fundamentally flawed design approach without confronting the issue.....or addressing it. it is only the the very few select companies that really comprehend this problem is not going to go away unless there is a radical change in mentality.

Alternatively, too much dampening material makes them too quiet, and muffled so in my case, I improvised and build sound traps as one solution. I never could understand the concept of how cheap mass produced speakers create good sound.......that sounds delusional to me; Nonetheless their are some excellent drivers for sale that do not cost 100's of dollars and when utilized properly put many high end, high cost speakers to shame when compared to side by side.

The concept of utilizing individual speakers well within their optimal range should be rather obvious to me. Nothing like a living breathing speaker that can produce sound effortlessly.............. not to mention being able to sit for hours and enjoy them. I've designed driver modules that have their own individual cases with each their own individual adjustable inserts so that you can adjust the internal case volume on the fly. Yes large sound front's are to die for...... nothing like living large or in this case listening large......... there is absolutely nothing like a large expansive delicious sounding wave front that absolutely engulfs you......it never ceases to bring a smile to my face..and amaze me..

Each sound driver should have it's own individual case. except for tweeters of course as they are usually sealed in the back anyways....case materials cans be harder or softer to promote certain characteristics as well shaping the sound,.. and these individual units can be added or subtracted, moved/ adjusted,, closer together or further apart, up down, and all around as well as forwards or backwards, as my baffle plate changes periodically to accommodate and promote ease of adjustments, related to interference issues and wave overlaps, and as already stated, .. being able to adjust the internal case volume and port size and length while they are playing .. nothing like being able to make for an infinite amount of adjustments....... I can have a different sounding speaker every day if I wish... but I find it just too baffling... as there is far too many possible adjustments. it's actually embarrassing as it leaves me feeling stupid and at a loss as to what I am hearing and doing most of the time. How ever I eventually figure it out by countless adjustments.

Ports are a little trickier but doable as you must adjust port diameter, profile and length in order to fine tune the xmax and retain the free cone movement without over extension so they reproduce sound effortlessly without distorting. I call it the cutting edge dialed back one degree just to retain sound purity. I have tried to blow up my one set for 7 years, they are a little on the well broken in side but I can still make people jump as they hit so hard. I call it snap........ or explosiveness, .. and I can adjust my air spring" resistance" to tighten it up to compensate ..it's amazing what you can do when you put your mind to it and don't believe the naysayers... Their is absolutely no end to learning and ability to improve sound presentation and adjust sound front..... get rid of those.... naysayers..... throw them out in the desert where they belong. let them wonder around for 40 years until they die hahahahahahahahaha

I've actually had people buy some of my creations so I must be doing something right.... and I plan on going into business doing the online thing as well.......... I seem to have a natural gift for it, but we'll see... time will tell....... I also agree with Mister Fink below as to bi-amping, tri-amping, blue tooth, wifi etc., and active crossovers for sure......... there are absolutely no limitations as to what can be done...... and this is the next generation for sure....as passive crossovers are hmmm passe" except for the obvious exceptions related to ribbons and air motion tweeters.I could probably go on for days about this stuff but............I've said way more than enough..........oooh I put my speakers up against anybodies.......... anytime..........for a side by side comparision



Includes:

Two 12 inch Tri-axial speakers, two Crossovers, two tweeters, two tone controls.






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