I was injected the adhesive using a syringe to crack. The corner parts were removed brittle became part has been carefully injected.
I was injected the adhesive using a syringe to crack. The corner parts were removed brittle became part has been carefully injected.
OK 1000 watches thanks .
My adventurous repair continues. Space cut the brittle became part was closed with a piece of wood. Than at least brittle became board strength comes out. Also it may become volume after drying is small like a putty, cracking of the case where the amount is larger does not occur. Not the best but I think that it is a better choice that can be relatively simple.
First, by processing the shape of the piece of wood to measure the dimensions of the space,
also adjusted so to be as uniform as possible shape at the same time the board side.
The crack of the main body side and sufficiently filled in advance adhesive, ensuring the adhesive strength Place the overnight time.
The piece of wood and the space and install with the adhesive.
Fit perfect ! looks good. wait one night .
Cut off the use pop-out wood piece of the hand saw for precision machining.State in which leveling scraping the surface.
perfect !
I put the reinforcement to all corners by the board of deterioration. Although it was also thought to hold to use screws, to adhere to the position out from that has been degraded, to hold the total has structure has also considered whether better.
The crack of about needle of the syringe does not turn, was pressed into the adhesive drilled. The entrance of the hole was plugged with a bar of fine wood.
y60kuro, Good fortunes keep coming for you my friend. The 4311 look like another fun project.
I am so glad to see people taking time to do repair work well. I can't tell you how often I've seen or heard someone planning to fill gaps in wood with non-wood products... I can't understand it. Keep up the good work.
Originally Posted by mortron
Hi mortron Are your nissan and Lansing is OK ? Yes I think so too . I am running 4312A and victor SX-3 .4312A is for jazz ,SX-3 is for another music classic, vocal and FM radio. I think my 4312A is bit loud mid range to my ear I dont like this, so I will exchange 104H-3 to LE5-2 . This time I got 4311 yes it has LE5-2 mid unit ,but it is broken no sound . I think it will re-corn or import good condition used unit from USA .
4343 repair is my first work on the these speaker system . That is right you said speaker board is non-wood product but one of wood product I think . I think if they have problem it is ”The difference between the expansion rate due to moisture absorption” . real wood piece is bigger than 4343 box board .but no problem I think and it is better Laminated lumber than real wood.someday I will need to repair again . I will go to make 4344,4341,4333 box . this is my 4311 next fun . I have a time to think which box is good for me
OK I decided to remove glass wool for check and reinforce 4343 box . so long times makes wood parts smaller and adhesive is week and board is damaged by humid . I will show you how it is . We cant hear loud volume revel ,very smaller volume than you, because we are very small housing situation . so I cant ignore box resonance at these small volume . These aged box (loosen connection )occur more box resonance than good condition box I think . I dont know what design concept to make these box structure .It is a very loose structure from a sense of Japanese speakers. Or probably because resonance of the box is intended to be used at high volume which is not worried. Yamaha, ONKYO, DIATONE box is very amazed by robust. Which is feel to be a difference in the design concept rather than good or not . I am very interesting these difference .
At first the take gloves and mask , it peels off from the adhesive surface with a scraper.
Remove 4 brackets for hang on
I can buy these reinforce wood at DIY shop lol . not so special wood.
Basking in the sun shine G'day .
enough clearance !
aged adhesive
Is this love letter for me ?? in the left box .
Very interesting works on the board by using adhesive. Left box seem to be made on Friday afternoon this guy want to go movie with girl friend ??
OK I can remove glass wool very easy than right box thanks !
This is love letter from JBL .
This box is unfinished .
My old sansui AU9500 come back !
looking good keep up the good work...
Semper Fidelis
Is that a copy of an original assembly checklist from JBL for your speakers? Where did you get that? Did that come with every speaker?This is love letter from JBL .
This box is unfinished .
My old sansui AU9500 come back !
Look all the way back to post 38.
Barry.
If we knew what the hell we were doing, we wouldn't call it research would we.
Its super cool to find something like that. Back then you had a blank master copy of that form in a file cabinet somewhere and you would copy the heck out of it, nowadays it would be on some e-library within JBL, what's the fun in that.
Hi ARMED thanks comment how goes your 4343 project well too?
Hi audiomagnate thanks comment
Yes this is original checklist for my 4343 . No it is in the only one side 4343 (serial No.13403) under the glass wool beside the left duct .
Hi 1audiohack thanks comment .Look all the way back to post 38.
Barry.
Yes that is right
Hi srm51555 thanks commentIts super cool to find something like that. Back then you had a blank master copy of that form in a file cabinet somewhere and you would copy the heck out of it, nowadays it would be on some e-library within JBL, what's the fun in that.
Yes ! Surely I thought it was what are hidden in a treasure map. This It is also a collector's item of JBL fan and passed 40 years.
mmm... it is seem to be my 4343 was not done outer finish works
A little another topic
It was sounded by connecting the removed units(2405,2420) to the network,
It feels like the volume is small.
I wonder if the magnetic force of the unit is down to extreme? Re-magnetized might need.
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