livingnote

Re: Crush N Blend Rev 6 (CNB / Wet-Dry Circuit) + Support
« Reply #60 on: April 05, 2019, 05:30:19 AM »
Working on a new SMD version here :)



In this version, I opted to go with these more simple Bourns Trimmers with J-Hooks:



But what's handy is that there is exactly enough space there to also go with some multi-turn
trimmers like the Vishay T63-YA in case you want more precision and less drift over time.
« Last Edit: April 28, 2019, 10:23:22 AM by livingnote »
Quote from: emrr
F-in' hook some Sh*t up and see if it catches on fire
Living Note Studio


livingnote

Re: Crush N Blend Rev 6 V3 (CNB / Wet-Dry Circuit) + Support
« Reply #61 on: April 28, 2019, 10:07:58 AM »


Quote from: emrr
F-in' hook some Sh*t up and see if it catches on fire
Living Note Studio

Re: Crush N Blend Rev 6 V3 (CNB / Wet-Dry Circuit) + Support
« Reply #62 on: July 18, 2019, 11:09:26 AM »
I sent you a pm for an order

Re: Crush N Blend Rev 6 V3 (CNB / Wet-Dry Circuit) + Support
« Reply #63 on: November 22, 2019, 05:50:05 PM »
It's been more than 120 days, is this board still available?
Livingnote pm box is full.

If anyone is still visiting, does anyone know of a wet dry solution for thee gssl?

Thanks!

Rocinante

Re: Crush N Blend Rev 6 V3 (CNB / Wet-Dry Circuit) + Support
« Reply #64 on: December 17, 2019, 12:30:14 PM »
The trimpot value is 50k?
Schematic doesn't show value. So could one use a 47k fixed resistor?
If there's a harder way to do this, I haven't found it yet.

Re: Crush N Blend Rev 6 V3 (CNB / Wet-Dry Circuit) + Support
« Reply #65 on: September 04, 2020, 11:54:38 AM »
Hi livingnote,


Thank you very much for this mod !

I'm making one and have some troubles.

Nothing goes out when switched on.

I'm not sure about the resistors "FBR", what this means ?
I'm not sure about the polarity of the two 1u cap, not clear on the schematic.
I have been able to track the signal until the 22u cap before the NE5532 OUTPUT.
After that the signal is very very low.

And just to be clear, the trimmers are to balance the signal gain between dry and wet isn't it ?

Thank's for any clue !
Cheers

Lars

« Last Edit: September 04, 2020, 11:59:23 AM by lars on »

Re: Crush N Blend Rev 6 V3 (CNB / Wet-Dry Circuit) + Support
« Reply #66 on: September 05, 2020, 07:45:05 PM »
FOUND !!! ;D

The output NE5532 was not feed with +15V.
There was a missing track.
Don't konw why...
See the pic.

Now I heard a problem with the stereo.
I mean when the wet/dry pot is at center position, mix 50/50,
the signal become mono and +6db.
Dry position stereo is good but -6db.
Wet stereo is goos but -6db.

Maybe left right are swapped somewhere... ?
« Last Edit: September 05, 2020, 07:53:53 PM by lars on »

Re: Crush N Blend Rev 6 V3 (CNB / Wet-Dry Circuit) + Support
« Reply #67 on: September 06, 2020, 10:19:38 AM »

I confirm that the Dry Left and Right are swapped from the wiring guide.

Now the board works well.
 

livingnote

Re: Crush N Blend Rev 6 V3 (CNB / Wet-Dry Circuit) + Support
« Reply #68 on: September 06, 2020, 04:41:26 PM »
Hey Lars thanks for reiterating the issues - looks like we got them all squashed now.

Patrik had the same problem and we traced them to the same issues you found - wiring
guide and etch documents have been updated and hopefully everything should be working
now, but thanks a ton for being part of the general trying-out of V6.

I'll gladly give you a proto etching session for your work. Just let me know what you
need and you can have 3 medium size boards of the same type free.

Update for everyone with the trimmers:

I have standard here 5K FBRs (Feedback Resistors) with 10K Trimmers on the input
and 10K FBRs with 20 or 22K Trimmers on the outputs, generally (when you want to
be able to trim neg and pos) and you can also just put in a wire link where the FBRs go
and use 20K trimmers on the input and 40-50K trimmers on the output if you need
to have the full range.
Quote from: emrr
F-in' hook some Sh*t up and see if it catches on fire
Living Note Studio

 

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