Help troubleshooting Ambika Voicecards appreciated
Hello, I’ve had 2 “mute” SMR voicecards (with leds working) for a while and would like use some free time to finally fix them and unleash the full power of my Ambika. :) The issue is likely to...
View ArticleVoltage Regulator 7908
I only found a Voltage Regulater for 500mA not 1A. Is this ok or will it get too hot? thanks
View ArticleSetting up the Ambika/checking the sound is working
Hey, I’ve just mailed out an Ambika to a guy called David in France. He’s having trouble getting sound out of it. It was working when it left England. I’ve had it set up the same way for ages using my...
View ArticleBricked voicecard [SOLVED]
I’m a moron. I accidently named the Ambika controller firmware binary VOICE1.BIN and did (attempted) a firmware upgrade of a voice card via SD card. Now, this sound card seems to be bricked, i.e. it...
View ArticleHuge mistake with power supply?
Hello all, I finally started building an Ambika and I just got on to the voltage testing phase. I was under the impression that I could use an 1SPOT as a power supply, but after getting absolutely no...
View ArticleSVF card parts C20 and C21
After months and months of pushing it back, I finally started building my second Ambika voice card which is a SVF card. I bought all the components from Mouser and before continuing with the build,...
View ArticleReplacement pots for ambika
I have had the ambika for about a year now and it is one of my favorite synths. I bought it 2nd hand and am unsure of who the builder was. It is not in a metal case (thanks Adrian) but I now have 2 of...
View ArticleVCF offset trimmers?
Hi all, the fact thatI I lurve my Ambikas goes without saying. I have two of them, SMR4 and SVF. The only thing that irks me a bit about them is that on the stock voice cards, there’s no way to get...
View ArticleAmbika Acryl case EPS master for formulor.de (Ponoko)
Hi guys. I recently built my Ambika, but I wanted to make the case myself. I found a SVG master file and made a EPS file for formulor.de (size P3 – 790 x 348 mm). Be free to use it. But be sure to use...
View ArticleSMR4 voicecard mod to Lp2+diodes
HI. I like Shruthi-1 Lp2+delay filter so recently moded SMR4 voicecard to that it can be switched between smr4 and lp2+diode mode. It required quad channel analog switch so I used MC14551. Has anyone...
View ArticleAmbika Display Question
I ordered this display from the BOM from Mouser: 763-NHD-0240AZ-FLYBW Now I’m wondering if I got the wrong part. I was expecting Green characters on a black background, like the Ambika photos on the...
View ArticleAmbika Polivoks
Hi, I’m having an issue with the Ambika Polivoks. IC2 (4052N) got super warm to the touch and started emitting a smell. I had measured all the supply voltages before plunging it in and there were no...
View ArticleBoard stacking connectors and header problem
Voice card Problem: I can’t get the board stacking connectors to go all the way into the female header/socket, despite exerting considerable force. This is an issue as it makes it 14-15mm between each...
View ArticleTubika metal chassis and mechanical assembly instructions
Hi Y’all, I just finished assembling and testing my Tubika MOBO, everything checks out electronically and I’m getting ready to start assembling my voicecards. I have the instructions for the...
View ArticleTubika SMR4+ Tuning issues
Hi everyone, I just finished assembling a SMR4+ for a Tubika kit purchased from TubeOhm. It sounds great and is responsive to the controls, but I can’t seem to get it to self-resonate as per the...
View ArticleStuck Ambika 6x Polivoks
Hi everyone, I’m a noob in this great community. I recently bought an assembled Ambika a month ago with six Polivoks voicecards, and it sounds terrific. It was working well last week and went in the...
View ArticleLooking for white on black LCD screen
Hey guys, I sadly damaged my beautiful Optrex white on black LCD. They have been discontinued and I can’t find a replacement anywhere. I’m looking at some alternatives but most are of inferior...
View Articlesmr voicecard. osc's work. filter dead.
I have an smr-4 card where everything works except filters. Turning the filter does nothing. Trimpot does nothing. Where to start troubleshooting.
View ArticleAmbika SMR-4 Voicecard Assembly Troubleshooting
Hello all! I recently attempted to build an Ambika, and I was able to confirm that my motherboard build passed the power rail tests in the “Testing” section listed here:...
View ArticleAmbika LCD
thinking of replacing my LCD in ambika will this work? I didn’t like the one I originally got. I just put this one in my akai s900 and it looks amazing....
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