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FINALLY! I believe I have gotten to the bottom of the invalid session and logout issues. Please continue to report your own experience in the appropriate threads in the "Forum Discussion and Requests" subforum. Thank you all for your patience and support! <3

[OUT OF STOCK] Buchalish 111 Ring Mod PCBs
MUFF WIGGLER Forum Index -> Music Tech DIY Goto page 1, 2, 3, 4, 5, 6, 7  Next [all]
Author [OUT OF STOCK] Buchalish 111 Ring Mod PCBs
fluxmonkey
UPDATE 9/13/13: First batch of boards are sold out, thanks everyone. may do a second run based on interest, and/or in support of another run of panels.


UPDATE 12/9: Boards are in and tested good, and are now available for purchase: go to http://www.fluxmonkey.com/fluxmerch.htm to order. thanks everyone for your patience


[UPDATE 11/26]: Boards have been ordered and are scheduled to arrive this week. After I do one more reference build, I will post ordering instructions.


[INITIAL POST] Gauging interest in PCBs for an all-discreet ring modulator, based on the Buchla 111 schematic and a DIY layout done by Romeo Fahl.

PCB is 2.5" x 3.8", soldermask and silkscreen. Price will be abt $15@, depending on interest. Please post a reply w/ number of boards you're interested in. NOT taking orders at this time, I will post ordering information if there's sufficient interest.

BOM:
Value Qty.
10r x2
10k x2
100k x2
1k5 x4
220r x2
2k2 x1
22k x1
330r x2
3k3 x5
33k x1
47r x3
680 r x6
6k8 x4

100n (.1uf) x1
2n2 (.0022uf) x2
4.7uf x2
5.6uf x2
10uf x1

1k trim pot x4
20k trim pot x1

2n3904 x7
2n3906 x3

ferrite bead
.100 power header
jacks x 4

original transistors: IT122 (matched NPN pair) x3; 2n3565 (NPN) x1; 2n4916 (PNP) x3

bbob
FetidEye
i'd like 1 board
Rod Serling Fan Club
So you figured out the trimming and have these fully operational? I'd probably take 4.

I would also be interested in doing a buchla format panel for these if people are interested. I could just do the original or make it as a double, which would be 4 ring mods but would still only take up about half the panel... I am open to ideas.
hexinverter
I'm down like a clown! This is fun!
mono-poly
I did a pcb design for this and waiting for pcb's i've orderd.
logicgate
I'd take one
thebot
I'd take 2 definitely, maybe more depending on price.
wwall
I'm up for two boards.
aladan
fluxmonkey wrote:
Gauging interest in PCBs for an all-discreet ring modulator, based on the Buchla 111 schematic and a DIY layout done by Romeo Fahl.

PCB is 2.5" x 3.8", soldermask and silkscreen. Price will be abt $15@, depending on interest. Please post a reply w/ number of boards you're interested in. NOT taking orders at this time, I will post ordering information if there's sufficient interest.

bbob


I'm interested in 2 please...
wavehead
Interested in 2 boards and one of RSFC's panels.
CJ Miller
Two boards for me. please!
ndkent
two
asterisk
id take 1.
rico loverde
IN FOR 1
djangosfire
Hell yes I'd take a few smile

Also, I have an original 111 Buchla Dual Ring Modulator module... so if there is a need for pics or info, just send me a PM.

Guinness ftw!

NOW someone build the 196 Phase Shifter, and we can all do some killer frequency shifting patch madness 8_)
FrankV
I'd be up for two!
MechaSeb
Up for two please !
diophantine
Are these PCBs a single RM (i.e. 1/2 of a 111), or two?

If single RMs, I'll take 4 - otherwise 2! (For 4 RMs total)

Thx!
MechaSeb
mono-poly wrote:
I did a pcb design for this and waiting for pcb's i've orderd.


Did you redraw the exact original pcb ? Any hard to find parts on this one ?
fluxmonkey
prototype:

janvanvolt
Two are fine for me.
bsmith
2 here!
raisinbag
So is it using 3904 and 3906's? I'd grab one then. I don't think I have built anything other than guitar pedals that use no ic's. Cool!
mikecameron
one for me!
boothnavy
sure, a couple.
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