Software controller for AMBIKA- first Video out
Hi all, i had some requests about a Software controller for AMBIKA. Yesterday i start with the basic Functions of AMBIKA. What is in plan ?, what i will done ?. First , a simple controller , only with...
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 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....
View ArticleCan't reach all modulation source via potentimeter or encoder
After finishing my Ambika and now working on a control software for mac, I just realized that I am not able to reach some of the modulation sources using potentiometer P2 or encoder (E). The last mod...
View ArticleFirmware to support BCR2000 Data Request
Hi all, I’m currently hacking the Ambika firmware to provide a way to dump patch values from the Ambika to my BCR2000 (I assumed that it’s not possible as of today (?)) I have 6 templates (or...
View ArticleA 4P voicecard with a low self-oscilation frequency
Hi there, I finally found some time to finish 4 4P voicecards to put in my ambika rack. (Very bad) picture attached. When tuning their VCF i realized that 1 of the 4 cards have a self oscillation...
View ArticleAmbika SMR-4 voice card #2 dead
Hi! After a few months of idle time, the voice card #2 in my six-voice Ambika does not out out sound anymore. I tried both the main out and the individual voice output, no help. The led lights all...
View ArticleTrying to flash ambika voicecard Atmel via AtmelStudio, cannot flash eeprom-file
Hello there, so im am done with almost the full stack of le grande mutabel instruments, having a blast musically. But now its about time to discover some polysynth stuff with some voicecards and the...
View ArticleAccurate motherboard pdf for case design
Hi Folks, For my Tubika build I’d like an opaque case so I need to mod the current case file to put LED and display holes etc. If the PDF of the mobo on the DITY resources page accurate for this? Or...
View ArticleAmbika voicecard stopped working
Hi All This is my first post here, I need some help or advice, one voicecard on my ambika stopped working i bought the ambika second hand and did not build it myself. its voicecard 4, a 4P MI voice....
View ArticleAmbika - no midi when connected to mixer
Hi all, I’ve built Ambika with 6 SMR-4 voicecards. Motherboard and all 6 voicecards works fine when connected to power source and midi keyboard. All 6 orange leds are lid and green leds are flashing...
View ArticleAmbika LCD Freakout
I messed up my Ambika (Tubika) MOBO by initially putting the LCD on the bottom of the PCB instead of on top. I ruined the LCD removing it. The Ambika works beautifully, and while I waited for the...
View ArticleDiy midi controller for Ambika, which one?
Hi, I’m about to finish my Ambika, and I’m considering building a midi controller to put it together with the synth in a nice case. So far, I’ve been thinking about these:...
View ArticleSD Card Problems with new Ambika Build
I can’t figure this one out. No SD cards will work with my Ambika. I’ve tried 3 brands and a real Sandisk. Presets all come up (empty) and it won’t load a firmware update. HOWEVER: It will load the...
View ArticleCan't program SMR4+ 328Ps
Hi – I am trying to reinstall the firmware on 3 of my Ambika SMR4+ cards after the data lights went out (it was all working fine until I put it in a case, oddly)... But – my AVR ISP MkII won’t do it....
View ArticlePlacement of Ambika display
Hi all. I recently received a Noritake VFD from 6581punk (thanks again, btw!), and as it was intended for another synth, the 2x8 connector is on the wrong side. As I’m installing this in the metal...
View Article2017 UK Ambika Power Supply
I’m looking to start building an Ambika in the near future and I’m currently running into difficulty finding a suitable PSU. There are already a good handful of threads out there with suitable...
View ArticleAmbika - Polivoks voicecard
Hey guys. I’ve read in an old thread that some of you would be interested in Ambika Polivoks voicecards. Is it still a thing? I’ve recetnly built myself an Ambika and I thought that building an Ambika...
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