Comments on: all about volume control… https://diyparadise.com/w/all-about-volume-control/ ... where we have more fun! ... Fri, 29 Mar 2013 10:35:12 +0000 hourly 1 https://wordpress.org/?v=6.0.9 By: yeo https://diyparadise.com/w/all-about-volume-control/#comment-167 Sat, 11 Aug 2012 22:33:40 +0000 http://127.0.0.1/wordpress63/?p=259#comment-167 hi gary

the pga chip eventually found itself into a product named beyonce. check out the e-store.

quite versatile. i even made a 16 channel preamp for a customer using pga2311. it’s 16 way as its’ a 4 way balanced active crossover system.

yeo

]]> By: Gary https://diyparadise.com/w/all-about-volume-control/#comment-166 Sat, 11 Aug 2012 14:42:06 +0000 http://127.0.0.1/wordpress63/?p=259#comment-166 Have just found ur website, but page is last dated 2008. Have you updated progress on the volume control application and display, using the Texas PGA3211 chip?

]]> By: Brian McClaskey https://diyparadise.com/w/all-about-volume-control/#comment-165 Mon, 15 Mar 2010 13:59:23 +0000 http://127.0.0.1/wordpress63/?p=259#comment-165 LDR Volume and balance? Sure seems a lot like the controls on my Hafler IRIS preamps, from the 70’s! I always did like the way they operated. Never a scratchy sound, and interesting ballistics. I suspect they used grain-of-wheat bulbs instead of LEDs.

]]> By: yeo https://diyparadise.com/w/all-about-volume-control/#comment-164 Thu, 07 May 2009 22:13:55 +0000 http://127.0.0.1/wordpress63/?p=259#comment-164 with the silonex, you need to order from larger electronic retailers. not everyone carries the silonex brand.

but ldr and leds, any self-respecting electronic shop should sell them.

besides as you said, you need to buy at least 10 to find a matched pair. with ldr and leds, you could match them easily by physically aligning the light exposure on the ldrs.

]]> By: Coen https://diyparadise.com/w/all-about-volume-control/#comment-163 Thu, 07 May 2009 21:29:35 +0000 http://127.0.0.1/wordpress63/?p=259#comment-163 Why Bother with ldrs and leds? You can buy both them in one specialised package: silonex NSL32 SR2.

There is an enormous thread on diyaudio about the ‘lightspeed’ attenuator which uses these devices.

You have to buy at least 10 to find a matched pair.

]]> By: yeo https://diyparadise.com/w/all-about-volume-control/#comment-162 Tue, 28 Apr 2009 05:25:35 +0000 http://127.0.0.1/wordpress63/?p=259#comment-162 colour of the led depends on which of it is your ldr most sensitive to. its datasheet should tell you.

the ones i bought are most sensitive to red.

]]> By: Magnus https://diyparadise.com/w/all-about-volume-control/#comment-161 Tue, 28 Apr 2009 02:17:59 +0000 http://127.0.0.1/wordpress63/?p=259#comment-161 Is there an optimal color of the led? White? Blue?

]]> By: yeo https://diyparadise.com/w/all-about-volume-control/#comment-160 Mon, 13 Apr 2009 22:39:16 +0000 http://127.0.0.1/wordpress63/?p=259#comment-160 which one is the right one? no idea.

we use silonex here though i had good results with generic ones too.

]]> By: Dennis https://diyparadise.com/w/all-about-volume-control/#comment-159 Mon, 13 Apr 2009 13:14:11 +0000 http://127.0.0.1/wordpress63/?p=259#comment-159 Which one of the Optek LDR/LED would be the right one. I just found this tonight and I have been thinking all day about what volume pot I should use for the PP 807 amp I am building. I love this idea.

]]> By: yeo https://diyparadise.com/w/all-about-volume-control/#comment-158 Sat, 04 Apr 2009 10:14:29 +0000 http://127.0.0.1/wordpress63/?p=259#comment-158 we now have beyonce and eva! check out the diyparadise homepage. 😆

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