Small changes Ribbon one mm wider. And aligned with 4 peaces of soft foam.
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Very interesting design. Thanks for the tip regarding transformer type.
I made that "La Folia" panel speaker which was a spin-off project inspired by Apogee / Magnepan in a danish audio magazine about three decades ago.
I remember that i added felt to the magnets and metal bars.
I see that the fine Viawave tweeters have corrugation on the ribbon like horisontal "V" 's.
That may break up longitudinal waves in short ribbons. They also got sealed gaps between ribbon and magnets. (Almost like long BG's). Would that be an idea to pick up by later design for long ribbons?
I made that "La Folia" panel speaker which was a spin-off project inspired by Apogee / Magnepan in a danish audio magazine about three decades ago.
I remember that i added felt to the magnets and metal bars.
I see that the fine Viawave tweeters have corrugation on the ribbon like horisontal "V" 's.
That may break up longitudinal waves in short ribbons. They also got sealed gaps between ribbon and magnets. (Almost like long BG's). Would that be an idea to pick up by later design for long ribbons?
nice work dude ! they dont look BAAAD. they look very nice and clean!
paper gives so much nice damping characters to the AL. im curious how it works out !
but im also glad i dont need to fight your magnets.. thats way to much for me to handle without blinding myself or squish a finger...... or 2
paper gives so much nice damping characters to the AL. im curious how it works out !
but im also glad i dont need to fight your magnets.. thats way to much for me to handle without blinding myself or squish a finger...... or 2
Speaking of strong magnets, I have two ribbon arrays that have stuck together from placing them too close together one day, SLAM. A row of 50 or so magnets stuck together. I can't seem to pry them apart! Don't want to break anything. Any advice?!
Sliding, instead of pulling, is the typical first advice for separating magnets. Some more suggestions here:
How To Separate Magnets – Master Magnetics
How To Separate Magnets – Master Magnetics
Finally stereo . Good soundstage the 33 mm wide Ribbons, is not a problem in my ears.
Yes Wilbur those Egevang apogee copies 🙂. I took the paper dampning with frome those. Just much lighter ribbon and more powerfull magnets thats only 10mm wide. Is this Better than any planar transducer. Dont know its the best Sound I have made 🙂.I owned the BG 50. This is for sure better sounding
Thanks winnex. The paper do 2 things dampen and make the ribbon super Strong. And that is important, who want's to change the ribbon 10 times a year
Yes Wilbur those Egevang apogee copies 🙂. I took the paper dampning with frome those. Just much lighter ribbon and more powerfull magnets thats only 10mm wide. Is this Better than any planar transducer. Dont know its the best Sound I have made 🙂.I owned the BG 50. This is for sure better sounding
Thanks winnex. The paper do 2 things dampen and make the ribbon super Strong. And that is important, who want's to change the ribbon 10 times a year
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Question, was the cap foil previously used? If so I would worry about delamination. Actually I would worry about that regardless. Has this material been tested long term?
Nice build.
Nice build.
No the foil is on a roll. Long term yes have seen paper ribbons I made 10-15 years ago on danish forums
very nice Project! ..how do you glue the paper to the alu? ..how do you corrugate? really inspiring!
Paper to aluminium. Diluted contact glue. Dilut with toluen. The glue can go through the paper when diluted. Paper use toilet paper No **** 🙂. Find some that is in one length. Corrugate aluminium baking Rolling pin
PME Aluminium Ribbed / Smocking Rolling Pin 15 cm (6-Inches): Amazon.co.uk: Kitchen & Home
PME Aluminium Ribbed / Smocking Rolling Pin 15 cm (6-Inches): Amazon.co.uk: Kitchen & Home
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Do you have a link for the glue as well you used? thx so much... I am btw buying 5um thin rolls in 20mm to 35mm as we speak, building a lifetime stock... now i need to learn theglieing part... toilettepaper preferred to capacitor paper?
The capacitor paper can not be bougth any where. It's frome a factory that closed 20 years ago. The toilet paper work fine. The glue is called kontaktlim in danish. I think the english name is contact glue or adhesive ?. PS the cheapest toilet paper is best. It's the thinnest 🙂
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You mean a spray contact glue like this one I guess?
BREHMA Spruhkleber extra Stark Kontaktkleber 400ml: Amazon.de: Baumarkt
BREHMA Spruhkleber extra Stark Kontaktkleber 400ml: Amazon.de: Baumarkt
No like this
Danalim kontaktlim 1 L - kob pa nettet til altid lave priser
Diluted with toluen. Thin as water . Paint it on with a brush
Danalim kontaktlim 1 L - kob pa nettet til altid lave priser
Diluted with toluen. Thin as water . Paint it on with a brush
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Thank you AB! ..hello Blitz where did you source 5my alu foil? ..i also will start to experiment. Normal household alu foil is to heavy ☹️
I got mine from Miflex...meanwhile I found as well capacitor paper in 8um and 12um, so will stark to experiment with glueing...
Thanks for the material hints on the glue, very helpful.
Can you post some more detail picture of the actual ribbon holding mechanismn ? I believe you are using some foam to keep its tension, no ?
Thanks for the material hints on the glue, very helpful.
Can you post some more detail picture of the actual ribbon holding mechanismn ? I believe you are using some foam to keep its tension, no ?
How do you secure equal tension on left/right ribbon?
By weights before fixing, tension by heat shrink pads (Like RAAL) ?
By weights before fixing, tension by heat shrink pads (Like RAAL) ?