Thursday, 18 November 2021

Choral generator - NLC - build notes - part 2

 These are a continuation of my build notes for the NLC choral generator.
It's a BBD based on the choral generator of the ARP omni
 

This is part 2 of the build
 


Part 1 is here:

I was waiting on the 
LM13700MX/NOPB
These are out of stock at mouser
So ordered on ebay
Finally arrived. Is the chip shortage even effecting these simple opamps?



LM13700 & TL072
 
 
BC847 & 857 trannies
 
 
signal diodes and rectifiers
 

More resistors.

note, there are a few resistors marked with an asterix on the pcb.
Replace the three 150k* on the PCB with 82k, this is noted in the BOM.
Replace the three 33k* with 15k

There are a few more resistors marked with an asterix:
18K*, 22k*, 47k*
 
If the * are not mentioned in the build guide, just ignore them. They are leftovers from the prototype.
 
 Install caps next.

10k trimpot 3 Tayda: A-586 
100k trimpot 6 Tayda: A-587
 
Some NLC words of wisdom.
I love these messages from Andrew.
I have no idea as to the source.. shoot me an email if you know.
 
To be continued.......




Links
Wiki
BOM

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