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Knobs, gimme some.

...and how to do so...

Moderators: justin3am, Hink, Moderators (Main)

User avatar
jupiter8
KVRAF
 
9388 posts since 17 Sep, 2002, from Gothenburg Sweden

Postby jupiter8; Sun Feb 12, 2012 10:52 am Knobs, gimme some.

So i gonna need some knobs for my controller and that's not too easy to find. First of all i'm not completely sure which ones i want and second of all i'm not complete sure which ones will fit. I use these encoders and some others who obviously a slightly different. The shaft is a bit longer but i reckon the same knobs will fit both,right ?
http://iteadstudio.com/store/index.php? ... cts_id=364
Image

Is that called a D-shaft BTW ? Have a vague recollection of that.

Found these at small bear electronics which are pretty decent.
Image
http://www.smallbearelec.com/Detail.bok?no=547

The diamond knurl ones are pretty cool. And they're metal as well,i like that. If one should go as far as doing capacitive sensing on the encoders that's pretty much a must i reckon.

Then i found these ones on my favourite far eastern trader site.
http://www.aliexpress.com/product-gs-im ... alers.html
And they are just too sexy! :love: However they're pretty damn expensive and i'm on a low budget. And they're a bit daft since they kinda suggest a position and there's no such thing on a rotary encoder.But damn they look good.

Then there are these:
http://www.aliexpress.com/product-gs/49 ... alers.html
Those knobs would be pretty much ideal i think but they come with encoders and you must order a thousand of them at a time. I have searched but i can't find the knobs separately. Should be really cheap if i could find them i think.
xtp
KVRian
 
843 posts since 3 Jun, 2006, from The West Coast of New Zealand

Postby xtp; Tue Feb 14, 2012 9:12 am

jupiter8 wrote:
Found these at small bear electronics which are pretty decent.
Image
http://www.smallbearelec.com/Detail.bok?no=547


I purchased about 30 similar to the one pictured on the right for some foot pedals I am building, as well as some with a grey painted top which look cool.

I searched thru a few online suppliers and then ordered 2 of each of the ones I thought looked ok. I got a dozen or so.

Its far easier to make a decision on which knobs suit when you can actually put them on your unit and try them out. I have found the vibe from the pictures to be quite misleading in some cases.
User avatar
jupiter8
KVRAF
 
9388 posts since 17 Sep, 2002, from Gothenburg Sweden

Postby jupiter8; Wed Feb 15, 2012 10:45 am

I'm kinda partial to the diamond knurled one on the left actually. Don't really know why but i have a feeling they're more to my liking. More "bite" to it or something.

I realize trying the knobs in person would be the best but that's not really an option i'm afraid.

Image

Dammit these are sexy but too expensive. Partly because of limited funds and partly out of pure principle.

Found a German site: reicelt.de which had these
Image
which were really cheap. 0.28 Euros a knob and they look decent.

Musikding.de has some great looking knobs as well but too expensive.
maleaco
KVRist
 
56 posts since 3 Oct, 2011

Postby maleaco; Fri Feb 17, 2012 6:10 pm

It's hard to find smooth knobs for me. If anyone has any reccomendations, or any good websites for quality (non-china), sliders, knobs, and arcade buttons please let me know
I love women. But I love music more ImageImage
skitchy
KVRist
 
307 posts since 19 Jul, 2010

Postby skitchy; Sun Feb 19, 2012 4:20 am

Might it be cheaper to buy some broken gear and pull the knobs off? I cant imagine that a small broken Behringer mixer sells for much, and it might have all the knobs AND pots you need. Or take them off an old radio for that retro touch. Car boot sales (swap meets) are a gold mine :)
User avatar
jupiter8
KVRAF
 
9388 posts since 17 Sep, 2002, from Gothenburg Sweden

Postby jupiter8; Sun Feb 19, 2012 4:30 am

skitchy wrote:Might it be cheaper to buy some broken gear and pull the knobs off? I cant imagine that a small broken Behringer mixer sells for much, and it might have all the knobs AND pots you need. Or take them off an old radio for that retro touch. Car boot sales (swap meets) are a gold mine :)

That's what i did actually. I got an old mixer for mixer for parts.
2 problems,1 the knobs don't fit on the encoders because the shafts are different. 2 They're ugly as sin.
http://www.kvraudio.com/forum/viewtopic ... 56&start=0

I did bid on an old broke Behringer but didn't get it. That kinda sucked.
User avatar
GaryG
KVRAF
 
4619 posts since 13 Jan, 2003, from Kent, UK

Postby GaryG; Sun Feb 19, 2012 1:07 pm

jupiter8 wrote:1 the knobs don't fit on the encoders because the shafts are different. 2 They're ugly as sin.


Sliding OT but I've read of people using that Polymorph stuff (http://www.mindsetsonline.co.uk/product ... cts_id=550) or sugru (http://sugru.com/) to 'adapt' knobs for vintage/non-standard equipment.

Though a blob of epoxy resin would probably do just as well..

But I guess clause 2) makes that all irrelevant. ;)
()_()
(O.o)
(")(")
User avatar
jupiter8
KVRAF
 
9388 posts since 17 Sep, 2002, from Gothenburg Sweden

Postby jupiter8; Sun Feb 19, 2012 1:10 pm

That polymorph stuff is amazing! I've been looking for an excuse to get some for some time now.

The problem is the knobs on the mixer are too small and needs to be sanded/filed bigger to fit. Plus the cost of that polymorph stuff would probably make it as expensive as "real" knobs.
phlake
KVRist
 
122 posts since 18 Dec, 2006

Postby phlake; Wed Feb 22, 2012 2:48 pm

Seems to me that gluing your knobs on will just lead to impossible maintenance down the road. If a pot goes bad, how are you gonna fix that?
tony tony chopper
KVRAF
 
3465 posts since 19 Jun, 2002

Postby tony tony chopper; Wed Feb 22, 2012 2:51 pm

I believe knobs would be good clients for 3D printing - not too hard to model, can be monochrome..
DOLPH WILL PWNZ0R J00r LAWZ!!!!
User avatar
jupiter8
KVRAF
 
9388 posts since 17 Sep, 2002, from Gothenburg Sweden

Postby jupiter8; Sat Feb 25, 2012 5:33 am

STRIKE!!!! I think. Maybe.

http://www.aliexpress.com/fm-store/2046 ... 00404.html

How about these ones ? I've been thinking about color coding the channels and these ones you can put an LED in and there's a transparent stripe around them that the led shines thru. At least that's how i understand it.

However they come in 2 options. Do i need the plum axis or half axis ? I have no idea what that means and a google picture search yielded nothing.
User avatar
jupiter8
KVRAF
 
9388 posts since 17 Sep, 2002, from Gothenburg Sweden

Postby jupiter8; Sun Feb 26, 2012 7:42 am

jupiter8 wrote:However they come in 2 options. Do i need the plum axis or half axis ? I have no idea what that means and a google picture search yielded nothing.

Ah well the joys of global communication,i send them a message asking which is which and i got an answer.
Nice Chinese lady whose English is not great wrote:"plum axis"=The shaft of the potentiometer is round

"half axis" =The shaft of the potentiometer is oblate
Do you understand ?

Clear as mud thank you very much. Oblate shaft WTF ? :cry:
xtp
KVRian
 
843 posts since 3 Jun, 2006, from The West Coast of New Zealand

Postby xtp; Mon Feb 27, 2012 9:50 am

jupiter8 wrote:
jupiter8 wrote:However they come in 2 options. Do i need the plum axis or half axis ? I have no idea what that means and a google picture search yielded nothing.

Ah well the joys of global communication,i send them a message asking which is which and i got an answer.
Nice Chinese lady whose English is not great wrote:"plum axis"=The shaft of the potentiometer is round

"half axis" =The shaft of the potentiometer is oblate
Do you understand ?

Clear as mud thank you very much. Oblate shaft WTF ? :cry:



just a guess, maybe oblate is a half shaft [D shape] like the blue pot in your top pic.

Also, have you tried looking on ebay there are hundreds of knobs for sale on there.



http://www.ebay.com/sch/Musical-Instrum ... 6.c0.m1538
User avatar
jupiter8
KVRAF
 
9388 posts since 17 Sep, 2002, from Gothenburg Sweden

Postby jupiter8; Mon Feb 27, 2012 11:31 am

xtp wrote:just a guess, maybe oblate is a half shaft [D shape] like the blue pot in your top pic.

Sounds reasonable however i don't want to order and sit like a kid before christmas and wait 2 weeks and when the presents finally arrive they're the wrong kind. :cry:
EDIT:I have sent another message,we'll see if it's any clearer after that.
xtp wrote:Also, have you tried looking on ebay there are hundreds of knobs for sale on there.



http://www.ebay.com/sch/Musical-Instrum ... 6.c0.m1538

No i haven't. Don't do Ebay but maybe i'll start now. There's tons of goodies on there. Good tip,thanks. Now why didn't i think of that ?

BTW are the shafts i'm looking for called D Shafts or not ? If not what are they called ? It would certainly ease finding knobs for it.
Last edited by jupiter8 on Mon Feb 27, 2012 11:49 am, edited 1 time in total.
User avatar
justin3am
KVRAF
 
9248 posts since 7 May, 2006, from Southern California

Postby justin3am; Mon Feb 27, 2012 11:39 am

jupiter8 wrote:BTW are the shafts i'm looking for called D Shafts or not ? If not what are they called ? It would certainly ease finding knobs for it.


That's the most common name for them. The Chinese/Taiwanese/Korean suppliers call them all sorts of strange things if you don't get a rep who speaks english well.
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