Lightspeed clone, BOM

MagnumOpus · 23rd February 2011, 09:50 PM

I have looked all around and can't find a BOM that lists the parts for the Lightspeed from one source...I live in Norway and shipping for 3 different suppliers for a few bucks worth of parts could almost buy me a Goldpoint Attenuator

I want to build the Lightspeed Attenuator, and have found some of the parts from one bom at conrad.com, but not the "PCB Terminal Wago", the item nr comes up empty, and I dont know what other alternativ I could choose. Also wich volume pot?

Anyone, please

weskoki · 23rd February 2011, 09:55 PM

Uriah sells matched LDR's and pcb.I'm sure you can find the rest locally.

MagnumOpus · 24th February 2011, 08:33 AM

He sells the Lighter Note boards, though.

Wich would go better with the B1?

bambadoo · 24th February 2011, 09:26 AM

I have some. Email or send me a pm.
I am also active on Hifisentralen
BTW. I live in Norway.

Sincerely

joemana · 24th February 2011, 02:07 PM

Here is the link: Optical Volume Control Professional PCB

George OK'd this clone.

Joe

MagnumOpus · 24th February 2011, 06:37 PM

Seems Uriah has a kit with pcb and match ldr's for sale on his site. Might just go with that.

Ryelands · 25th February 2011, 08:15 AM

Quote:

Originally Posted by MagnumOpus

Which would go better with the B1?

I don't know the B1 but I've built and still use (in different systems . . . ) both the Lightspeed and The Lighter Note.

There's certainly nothing wrong with the Lightspeed but IMHO The Lighter Note sounds significantly better. It can be obtained as a complete kit bar the case and mains wiring.

Provided there are no interface issues (e.g. the Sowter O/P transformers on my "spare" DAC don't like driving an LDR-based circuit but that's unusual), both devices were a step up from a stepped attenuator.

If you decide to go for the Lightspeed, you'll need to specify and build your own power supply - go for the cleanest you can afford. It does matter.

HTH

Dave

MagnumOpus · 25th February 2011, 04:03 PM

Thanks for the input. I've read some people use it with the B1, and I think I'll give it a try, when the time comes. I am thinking a standalone box housing the psu's for B1 and Lightspeed with a Velleman K1823 and a toroid for the B1 and I'll have to find something appropriate for the lightspeed.

23rd February 2011, 09:50 PM	#1
MagnumOpus diyAudio Member Join Date: Feb 2011 Blog Entries: 1	Lightspeed clone, BOM I have looked all around and can't find a BOM that lists the parts for the Lightspeed from one source...I live in Norway and shipping for 3 different suppliers for a few bucks worth of parts could almost buy me a Goldpoint Attenuator I want to build the Lightspeed Attenuator, and have found some of the parts from one bom at conrad.com, but not the "PCB Terminal Wago", the item nr comes up empty, and I dont know what other alternativ I could choose. Also wich volume pot? Anyone, please

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23rd February 2011, 09:55 PM	#2
weskoki diyAudio Member Join Date: Aug 2009	Uriah sells matched LDR's and pcb.I'm sure you can find the rest locally.

24th February 2011, 08:33 AM	#3
MagnumOpus diyAudio Member Join Date: Feb 2011 Blog Entries: 1	He sells the Lighter Note boards, though. Wich would go better with the B1?

24th February 2011, 09:26 AM	#4
bambadoo diyAudio Member Join Date: Feb 2003 Location: West Coast of Norway	I have some. Email or send me a pm. I am also active on Hifisentralen BTW. I live in Norway. Sincerely

24th February 2011, 02:07 PM	#5
joemana diyAudio Member Join Date: Oct 2006 Location: San Jose	Here is the link: Optical Volume Control Professional PCB George OK'd this clone. Joe

24th February 2011, 06:37 PM	#6
MagnumOpus diyAudio Member Join Date: Feb 2011 Blog Entries: 1	Seems Uriah has a kit with pcb and match ldr's for sale on his site. Might just go with that.

25th February 2011, 04:03 PM	#8
MagnumOpus diyAudio Member Join Date: Feb 2011 Blog Entries: 1	Thanks for the input. I've read some people use it with the B1, and I think I'll give it a try, when the time comes. I am thinking a standalone box housing the psu's for B1 and Lightspeed with a Velleman K1823 and a toroid for the B1 and I'll have to find something appropriate for the lightspeed.