Smallest Dual Gang Potentiometer in the UK?

gatekiller · 19th April 2011, 10:46 AM

Morning All,

I'm building a simple headphone amp that I want to fit inside a 2.5" hard drive enclosure. There's enough internal space to fit all the other components, however, I am having trouble finding a dual gang pot which is small enough.

The maximum internal height is 16mm and the height between the PCB and the top is even less at 10mm.

Are there any really tiny dual gang pots available in the UK?

Many Thanks
Stephen

PS: Here's an example of what the HDD enclosure looks like: http://www.asia.ru/images/target/pho..._Enclosure.jpg

They're very cheap to buy and most have a PCB mounting rail on the inside. They also come in a range of colours and finishes. The only downside is that most come with text written on the enclosure like "2.5 USB HDD Enclosure" but I can live with that and if it really bothers me, I could respray it.

digits · 19th April 2011, 11:40 AM

probably the little green alps ones from RS components....
Honestly I never bother with volume controls on portale headphone amps anymore, all the sources have volume controls.

gatekiller · 19th April 2011, 11:58 AM

@digits

Thanks for putting me in the right direction. As a result I found this:
Alps | Passives | Resistors | Trimmers, Potentiometer and Rheostat | Carbon Track |STRK97O7

It's a 10K Dual Gang 1 Turn Logarithmic Pot. It's main body height is 6.5mm which is just the size I need.

Thanks

Chartal · 19th April 2011, 04:57 PM

The 6.5mm is from the base to center.
Total height is 6.5 + 4.85 = 11.35mm

digits · 19th April 2011, 05:13 PM

Quote:

Originally Posted by gatekiller

@digits

Thanks for putting me in the right direction. As a result I found this:
Alps | Passives | Resistors | Trimmers, Potentiometer and Rheostat | Carbon Track |STRK97O7

It's a 10K Dual Gang 1 Turn Logarithmic Pot. It's main body height is 6.5mm which is just the size I need.

Thanks

Thats the one, I'd order like 3 and check which one has the two channels tracking each other the closest....

chris661 · 19th April 2011, 05:14 PM

I suppose with some clever gear wheels, you could mount the pot inside somewhere?

digits · 19th April 2011, 05:36 PM

here you go. P.S. you can try rubbing off the logo with sugar....

19th April 2011, 10:46 AM	#1
gatekiller diyAudio Member Join Date: Aug 2010 Location: UK	Smallest Dual Gang Potentiometer in the UK? Morning All, I'm building a simple headphone amp that I want to fit inside a 2.5" hard drive enclosure. There's enough internal space to fit all the other components, however, I am having trouble finding a dual gang pot which is small enough. The maximum internal height is 16mm and the height between the PCB and the top is even less at 10mm. Are there any really tiny dual gang pots available in the UK? Many Thanks Stephen PS: Here's an example of what the HDD enclosure looks like: http://www.asia.ru/images/target/pho..._Enclosure.jpg They're very cheap to buy and most have a PCB mounting rail on the inside. They also come in a range of colours and finishes. The only downside is that most come with text written on the enclosure like "2.5 USB HDD Enclosure" but I can live with that and if it really bothers me, I could respray it.

19th April 2011, 05:14 PM	#6
chris661 diyAudio Member Join Date: Feb 2008 Location: Lancashire Blog Entries: 7	I suppose with some clever gear wheels, you could mount the pot inside somewhere? __________________ "Throwing parts at a failure is like throwing sponges at a rainstorm." - Enzo My setup: http://www.diyaudio.com/forums/multi...tang-band.html

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19th April 2011, 11:40 AM	#2
digits diyAudio Member Join Date: Apr 2011	probably the little green alps ones from RS components.... Honestly I never bother with volume controls on portale headphone amps anymore, all the sources have volume controls.

19th April 2011, 11:58 AM	#3
gatekiller diyAudio Member Join Date: Aug 2010 Location: UK	@digits Thanks for putting me in the right direction. As a result I found this: Alps \| Passives \| Resistors \| Trimmers, Potentiometer and Rheostat \| Carbon Track \|STRK97O7 It's a 10K Dual Gang 1 Turn Logarithmic Pot. It's main body height is 6.5mm which is just the size I need. Thanks

19th April 2011, 04:57 PM	#4
Chartal diyAudio Member Join Date: Nov 2004 Location: Montreal	The 6.5mm is from the base to center. Total height is 6.5 + 4.85 = 11.35mm

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