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| Re: Kustom 415B [message #16079 is a reply to message #16052] |
Fri, 16 September 2011 07:42   |
Muziekschuur
Messages: 27
Registered: March 2010
Location: Stavenisse
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Junior Member |
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You are reading my mind.
But current drivers are all ok....
One driver gives my ohm meter the run around. But when I connect it.. It puts out a decent tone...
What's up with that...
I saw the Fane drivers at 50 euro's a piece. Not neodynium. But fairly high efficient....
[Updated on: Fri, 16 September 2011 07:42] Report message to a moderator |
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| Re: Kustom 415B [message #16080 is a reply to message #16052] |
Fri, 16 September 2011 12:44 |
chicagobill
Messages: 2006
Registered: April 2003
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Senior Member |
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Remember that if the cone moves in or out, a small voltage is produced by the voice coil, which will cause your ohm meter to produce weird readings. So try and stabilize the cone and then take your ohm readings.
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| Re: Kustom 415B [message #16083 is a reply to message #16052] |
Fri, 16 September 2011 17:12 |
Muziekschuur
Messages: 27
Registered: March 2010
Location: Stavenisse
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Junior Member |
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I'll remember that. I assume some plastic had mixed with solder at the place where I measured. It now reads 7 ohms...
Those Fane speakers come in a 3.7 KG. So that would make this a very light cab I assume...
Well, tomorrow I'll swap some speakers around and make some connections.... Right now it plays rather well with 2x15 connected....
But the transients would be way better with more efficient speakers.... These remind me of the sluggish B&W peavey speakers from the early 80's.
older designs were way way more efficient..... Hmmm. Those Fane's sound better by the minute.
But this cabinet needs new wheels, new cloth and frame for it and a nice big Kustom emblem.... Where on earth Am I gonna find that.... I could reproduce it in steel or in plastic.... But what material was it fabricated in to begin with....
[Updated on: Fri, 16 September 2011 17:13] Report message to a moderator |
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| Re: Kustom 415B [message #19048 is a reply to message #16052] |
Wed, 07 August 2013 11:12 |
zedsalt
Messages: 65
Registered: March 2008
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Member |
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I think what Pleat was saying is that 210-129 is the patent for the tuck 'n' roll process as a covering for amplifiers and speaker cabinets, that any identifying plate with those numbers on it was originally attached to something with the tuck 'n' roll covering. I'm wondering if that's the case, though, because when I look for patent disputes involving Plush or Earth brand amps and cabinets that have very similar covering, the only patent dispute I find was over an electronic component inside a Plush amp. Could it be that Bud Ross never patented the design, and that's why there was no big fuss over amplifier makers who used the same process, with variations in the direction, size, angle, etc. of the pleats? Might the 210-129 be something other than a patent number?
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| Re: Kustom 415B [message #19051 is a reply to message #16052] |
Wed, 07 August 2013 13:12 |
chicagobill
Messages: 2006
Registered: April 2003
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Senior Member |
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The US design patent covers the specific design of pleats running front to back. I think it was called flutes in the descriptions. Search USD210129 and read the actual application.
Plush used diamond tufted designs, and Earth stole whatever they could to sell amps.
Plush amps looked kinda like a Kustom amp with the padded, sparkle covered cabinets, but were electronically copies of Fender Twin Reverbs.
Earth amps were copies of whatever amp line was the most popular. They copied some Peavey designs right down to the pc boards. This is what finally got them in trouble.
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| Re: Kustom 415B [message #19056 is a reply to message #16052] |
Thu, 08 August 2013 11:15 |
zedsalt
Messages: 65
Registered: March 2008
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Member |
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Ah, there it is- "combined electric guitar amplifier and loud speaker housing unit or similar article"...filed June 3, 1966...patented Feb. 13, 1968...and all it took was knowing the proper form of the patent number. Thanks, CB! Y'know, if this cabinet is a Sunn, I hope their feelings haven't been hurt by all of this. They make fine products and, to the best of my knowledge, haven't been involved in any of the intellectual property shenanigans Plush and/or Earth was. If a Sunn cabinet sounds good driven by a Kustom amp, what's the problem? (says the guy who gouged out a cavity on a '72 Guild S-100 Deluxe with a Dremel tool and stuck a pre-CBS Strat single coil between the Guild's stock humbuckers)
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| Re: Kustom 415B [message #19088 is a reply to message #16052] |
Sun, 11 August 2013 14:08 |
chicagobill
Messages: 2006
Registered: April 2003
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Senior Member |
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Yes in theory, but it happens all the time for any number of reasons.
A single label made for use on multiple amps, a deliberate attempt to hide patent technical information, errors in plant management, etc.
Look at the Gibson patent number sticker that was put on thousands of humbuckers for years. It was not the number for the pickup patent.
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| Re: Kustom 415B [message #19097 is a reply to message #16052] |
Mon, 12 August 2013 11:46 |
zedsalt
Messages: 65
Registered: March 2008
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Member |
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I'm familiar with the humbucker/tailpiece decal...umm...I don't want to call it a "story", as that would imply I thought it was fiction..."incident"? An "incident" can unfold over a period of years, right? And the conspiratorial tone isn't entirely inappropriate, as the reason for it may well have been to discourage research into the patent. So we're going with the assumption that this speaker cabinet is a prototype built by Kustom, perhaps a one-of-a-kind item, and that's the reason for the incorrect patent tag? Reading similar threads in other forums began by our friend Muziekschuur (or at least, someone using the same screen name and amp/cabinet photo) is what led me, eventually, to the drawing of the Sunn 415M that I posted a link to. I figured the chances of a prototype made by Kustom having the same dimensions as a production model Sunn were pretty slim. Surely, even if someone at Kustom was trying to emulate features of another company's product, they would've made SOME changes to avoid intellectual property issues (if for no other reason), right? Preferably, changes that would not have any great impact on performance? That's why I posted the link, not to be confrontational over what the cabinet is, but to provide a quick, easy means of possibly making certain that it's not a Sunn 415M.
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| Re: Kustom 415B [message #19100 is a reply to message #16052] |
Mon, 12 August 2013 12:45 |
chicagobill
Messages: 2006
Registered: April 2003
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Senior Member |
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When I look at the photos of the cabinet, I am willing to assume that it is a standard Kustom manufactured item and not another company's product relabeled as a Kustom. And because I've seen more than one of these, I am also willing to assume that this is not a one off or prototype cabinet.
Why the label has the tuck and roll patent number on it is something that probably no one can really answer, certainly not me.
There are at least three different companies that I know of that have used that cabinet/baffle design. It was probably patented by the original designer and licensed to whatever company wanted to pay to use it. Or it may have been designed by a speaker company and given to whomever wanted to use it. I just don't know.
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| Re: Kustom 415B [message #19110 is a reply to message #16052] |
Tue, 13 August 2013 11:03 |
zedsalt
Messages: 65
Registered: March 2008
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Member |
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As glad as I am that another example has been found online, the price it went for bums me out to no end. I mean, I'm happy for the new owner, but the majority of the postings of the Sunn 415Ms that I found were sales listings, and five bills appears to be the average they brought...plus S&H, which I think we can safely assume added big bucks to the total spent...lowest price I saw was four hundred, and that had over one-eighty for shipping. I was going to compare our beloved Kustoms to Rodney "I don't get no respect" Dangerfield, but I think a better metaphor would be an actress of substantial intellect who is physically attractive enough that no one gives her due credit for her smarts. Not new information, I know, but *sheesh!*
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| Re: Kustom 415B [message #19140 is a reply to message #16052] |
Wed, 14 August 2013 17:10 |
Muziekschuur
Messages: 27
Registered: March 2010
Location: Stavenisse
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Junior Member |
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Those cabs are right now worth next to nothing. So lots of those cabs will be trashed. The Kustom IV amplifier is a wanted amp allready. It will only be another decade before this cab will be wanted too.
Untill then....
But I can say that this is not a cabinet for everybody. Because of it's sound, size and .... feel... We will see more and more bedroom bands who will play inear on stage and who will sound the same as the record... For those bands this cab will be useless...
[Updated on: Wed, 14 August 2013 17:12] Report message to a moderator |
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