Well I'm no expert, but you have to consider size that fits in box. Otherwise sky is the limit (If ready to used wires that fit PCB from cap leads). Probably the best result would give copper foil but those tend to be huge and very expensive! I personally sourced a pair of NOS EROfoil 0.22uF for input pair and NOS 1uF Vishay MKP 1840 for second. It's on budget.
I will try it after summer vacation and report. Also I'll try to find something nice in 3.3uF-5uF range for last pair.
I know, I know...... way too much. I'm just so lazy I don't want to get up to change the volume. In hindsight I would try one of the cheaper remote control units from Ebay.
What's even dumber is that I'm using a $2 buck converter to feed power to it!! I just didn't know how else to do it.
What's even dumber is that I'm using a $2 buck converter to feed power to it!! I just didn't know how else to do it.
Power is only for its motor and display so it does not affect sound, but electrolytic caps in signal path DO!
I'm going to use cheap Chinese remote with Alps to control my LDR that attenuates.
Maybe this for a decent remote volume control? Audio preamp remote volume control board with ALPS potentiometer | eBay
It could work... I ordered something similar (better looking remote) to control LDR, but if this: signal https://www.ebay.com/itm/Hiend-128-steps-Remote-volume-control-board-Relay-pure-resistor-shunt/143227910884?hash=item21590c7ae4:g:H20AAOSw3g5cwTx-
is not too much for you this would probably do less harm to sound.
Of course there are ton of similar products from China... Dunno how they actually work
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Thats right. ONLY signal path pairs. Those 10uF electrolytic, and if you look back in thread Zenmod give a nice suggestion on math on those...
Posts 2609 and 2611 might give you ideas about what caps to go for (values and type), what benefits to expect, what adaptation is required...
These posts are in fact a follow up of Zenmod's post which was a reply to my initial question... and inspirational for the reamisation of this tweak.
Have fun
Claude
These posts are in fact a follow up of Zenmod's post which was a reply to my initial question... and inspirational for the reamisation of this tweak.
Have fun
Claude
Power is only for its motor and display so it does not affect sound, but electrolytic caps in signal path DO!
I'm going to use cheap Chinese remote with Alps to control my LDR that attenuates.
I thought about this more because I remember the volume control not working when it had no power. I unplugged it and confirmed there is no volume if it gets no power so maybe the 5v in can influence some noise.
also my transformer is right smack in the middle of my case which means wires are all around it which was poor planning. That’s what shielded wires are for right? I could try those.
Hmm, interesting. I have gave my opinion based on common sense assumption really, I don't expect high end pot should compromise signal quality with that, but I'm not familiar with Khozmo implementation.
Also true is cheap and bad 5V board can introduce some noise overall... And yes, your wiring and parts placement is probably not ideal
Hmm... that is odd indeed as one would expect this reputable attenuator to be only passive.
I read the details again about the remote control version and perhaps have an explanation: says "MUTE FUNCTION" per remote control. Hmm, that means they didn't just implement a motor and servo control for the attenuator network, but also an active device on the music signal path to shut it off immediately... transistor perhaps? Presumably that part means no sound when no power.
Difficult to say why they did that on such a puristic part nor how much it affects the sound in real life, but not great IMHO. Further, one might then indeed question how sensitive PS becomes in that particular case (modulation with signal etc.)
Whatever, be it attenuator's mute system, attenuator PS or simply shielding and PS location within your B1 Korg, at the end your graphs tend to show some digging might be worthwhile to improve PS noise.
Good luck
Claude
PS: wonder if that mute function has to be or if Khozmo has made provision to bypass it...
I read the details again about the remote control version and perhaps have an explanation: says "MUTE FUNCTION" per remote control. Hmm, that means they didn't just implement a motor and servo control for the attenuator network, but also an active device on the music signal path to shut it off immediately... transistor perhaps? Presumably that part means no sound when no power.
Difficult to say why they did that on such a puristic part nor how much it affects the sound in real life, but not great IMHO. Further, one might then indeed question how sensitive PS becomes in that particular case (modulation with signal etc.)
Whatever, be it attenuator's mute system, attenuator PS or simply shielding and PS location within your B1 Korg, at the end your graphs tend to show some digging might be worthwhile to improve PS noise.
Good luck
Claude
PS: wonder if that mute function has to be or if Khozmo has made provision to bypass it...
Well my impatience won over my laziness. Got tired of waiting for the complete "kit" to become available and I put all components/hardware on order today to build this except the Chassis. I'm hoping DIY comes up with something custom on those for the Kit and I can get one separately. But to others wanting the kit, be assured that now that I no longer need one, they will likely become available this afternoon. You're welcome!
