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OBI56

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Post Mon Dec 03, 2007 10:50 pm

AA77, how is the repair job going? Did you try the alum foil/scotch tape trick or did you ever manage to pick up one of those circuit pens?
Why let facts or common sense get in the way of your opinions.
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audioassassin77

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Post Tue Dec 04, 2007 5:00 pm

OBI56 wrote:AA77, how is the repair job going? Did you try the alum foil/scotch tape trick or did you ever manage to pick up one of those circuit pens?


nah.
i figured id deal with the problem the way i usually do when my rig is involved. just throw more money at the problem.
at this time im negotiating the purchace of a pair of 30" ribbons that were(he claims) rebuilt by DaveS in 2005.
price is fairly reasonable.
if it pans out, ill install the new ones and can wait on getting the coin up to fix the broken one correctly.
.....a VULGAR DISPLAY OF POWER.

I am slowly going CRAZY 123456 switch..CRAZY going slowly am I 654321 switch.
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skip

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Post Tue Dec 04, 2007 5:06 pm

AA77, did you get your's from the guy on Audiogon? I bought his 60" ribbon and it's in transit now. We'll compare notes and see if we need to hunt him down and drag him to CarverFest 08 to use as a dart board.
Sasquatch
TnRabbit's Assistant Official OCCD Enabler.

How long a minute is, depends on what side of the bathroom door you're on.
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audioassassin77

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Post Tue Dec 04, 2007 5:28 pm

as yet skip i havnt agreed to anything. im waiting on pics before i make a decision.
if the guy you bought from is in canada id be willing to bet its the same guy. he also has a pair of ALS plat mkIV crossovers for sale.
.....a VULGAR DISPLAY OF POWER.

I am slowly going CRAZY 123456 switch..CRAZY going slowly am I 654321 switch.
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tah800

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Post Tue Dec 04, 2007 7:09 pm

Ribbon problems

This really sounds like a crack in your ribbons. Check everything that looks like a break. Take a little strip of tin foil and stick it to a small handle like the tip of an artist brush or whatever. Gently press it across the crack. Try everything that looks like a break. It will start playing because the tin foil will complete the circuit. I done this a few times. I've also done a temp repair. Never did fail. I took the halves of the speaker apart. A bit tricky but not impossible Once the ribbon was exposed I cut a small piece of tinfoil and put it over the crack I cut a small piece of that clear packing tape and stuck it over the tinfoil . I put the 2 halves together and the repair worked until I got another ribbon. I still have the repaired one that I can use for a spare. I was amazed that it didn't affect the sound of the ribbon. Art
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Magnaryder

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Post Tue Dec 04, 2007 9:57 pm

maddmaxxx wrote:-one could repair the trace w/a 'circuit writer' pen.avail online thru rat shack[decent temorary fix]

-the ribbon could maybe be temporarily fixed w/clear packing tape[then the circuit writer pen[jerry rig]


I did as Maxxx suggested and haven't been able to burn them out again...I DID try :-) with a bridged TFM-55(1000watts) on each Silver. They're still running. One small problem with mine has been a slight loss of volume to the repaired ribbon. It might be the tape I used. I have a new ribbon I bought from DaveS but haven't had time to install it as of
yet.

ray
Magnaryder

Its going to be used equipment when I sell it, so it may as well be used equipment when I buy it.

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maddmaxxx

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Post Wed Dec 05, 2007 10:03 pm

-maybe that rear window defroster[motor car], 'grid connector'repair

-in theory, might could work, as well[looks stiffer, glass aplication]

-if you could pull off spair ribbons, you'll be a 'lifer', like....

-yours truly

-there are 5+, mostly senior member[might go 1/2sies, w/you]

-as well as prs for sale here[sorry forgot]...again

-bought spks off a 'forsale', from here[2+yr old add]...before A+

-goslo and let me/us know, brother
-* © Küül ®™ /mx...
-Too hip gotta book
-"Don't BAN me Bro!"...el/doro
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OBI56

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Post Wed Dec 05, 2007 10:13 pm

I know that those circuit repair pens really do work well especially on flexible (mylar based) circuit boards and connector ribbons. I'd really try and get one from one of the many sources that were mentionned on here and give it a try. What have you got to lose AA77?
Why let facts or common sense get in the way of your opinions.
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audioassassin77

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Post Thu Dec 06, 2007 6:25 pm

maddmaxxx wrote:-maybe that rear window defroster[motor car], 'grid connector'repair


[motor car]. damn i love it =D> .

seriously mx i hear you 100%.

im gonna try the foil fix tonight, if that dont work circuit pen time.
as you pointed out Obi-san nothing to loose.

still hope to find takers on the 1/2 set soon. price IS reasonable(IMHO).

ohh madmann(n), lifers not a problem. tho the woman refers to it as being a "fiend".
cheers
kris
.....a VULGAR DISPLAY OF POWER.

I am slowly going CRAZY 123456 switch..CRAZY going slowly am I 654321 switch.
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OBI56

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Post Thu Dec 06, 2007 8:01 pm

AA77, I'd be wary of the car window defroster fixit kits as they are usually based on a chemical suspension of metallic oxide powder which recracks easily if no coated, probably has a much higher resistance than other solutions and to boot has enough mass to affect the sound of the ribbon. Besides, I'm not sure if it would even be safe on plastics (nothing like melting away the mylar base to add air to the sound!).

Marc ....
Why let facts or common sense get in the way of your opinions.
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audioassassin77

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Post Thu Dec 06, 2007 9:20 pm

OBI56 wrote:AA77, I'd be wary of the car window defroster fixit kits as they are usually based on a chemical suspension of metallic oxide powder which recracks easily if no coated, probably has a much higher resistance than other solutions and to boot has enough mass to affect the sound of the ribbon. Besides, I'm not sure if it would even be safe on plastics (nothing like melting away the mylar base to add air to the sound!).

Marc ....


no worries Marc.
you missed my humor in poking(in your case i guess its polking?) fun at my man maxxx's unique turn of phrase.
as i said. tinfoil, if dont work then circuit pen, if dont work then rebuild.
still want backup ribbons however.
thanks for your concern for a youngster that just might have tried it though.
cheers!
kris
.....a VULGAR DISPLAY OF POWER.

I am slowly going CRAZY 123456 switch..CRAZY going slowly am I 654321 switch.
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OBI56

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Post Thu Dec 06, 2007 9:30 pm

AA77, my comment was meant for everyone elses benefit. I jsut checked an old defroster repair kit in the garage over suppertime and it does have a warning to avoid contact with plastics, so that idea would definitely be a no-no despite it sounding like sheer genius at first look.
Why let facts or common sense get in the way of your opinions.
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maddmaxxx

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Post Thu Dec 06, 2007 10:43 pm

-mr hob111 wrote;
-The ribbons together are between 1.6 - 2 ohms.
Each is measured at 1 ohm.

-*****this is for the ALSoriginals

-the silvers/al3's, are 3.2-3.8ohms[sir daves said as hi as 4.6]

-believe the plats are the same as silvers

-good info, indeed

-i cut the red/blk wires at the bottom, before they go in to the back cover
-and use 2pc.s shrink tube[no solder, just twist wires], on reconnection
-* © Küül ®™ /mx...
-Too hip gotta book
-"Don't BAN me Bro!"...el/doro
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maddmaxxx

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Post Mon Dec 17, 2007 7:21 pm

****found my notes...man, i'm lazy/slothful

-the 30" ribbons can read as low as .4ohms and still sail

-put last 2posts in manual, guy [1st thing i check when ribbon fails]
-* © Küül ®™ /mx...
-Too hip gotta book
-"Don't BAN me Bro!"...el/doro
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