"One-of-a-kind drum machine. It"s a rhythm unit ripped from a 70s Farfisa spinet organ and built in a custom case (trying to remain faithful to the original look). Classic analog drum sounds like the ones you get out of the many boxes of that area (Roland TR77, Ace Tone FR-1 FR-2 FR-8, Hammond Auto Vari etc etc) It is very close in to the Farfisa Rhythm 10 unit that Kraftwerk used at its beginning.
10 rhythms that can be combined to get some more, controls for tempo and volume. Mono jack output, on/off switch and running on 12v-18v DC (power supply is provided). Case is DIY so don't expect manufacture quality. YSWYG."
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video upload by ohm_studi_ohm
"Quick demo of a recently serviced and upgraded Korg Keio Mini Pops 7.
Every single electrolytic capacitors were replaced, instrument calibrated and fitted with Tubbutec Unipulse card which adds MIDI synchronisation AND triggers to this classic drum machine.
First part of the demo I use an Arturia Keystep Pro to sequence and program the Minipops and on the second part I simply use the Keystep to clock and start/stop the machine, showcasing a few of its patterns."
"VintageRack (iOS/Mac) - minimalistic and convenient multi-effect app realistically modeling notable retro gear from the early digital era with their inherent aesthetics and atmosphere.
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In this demo I tried to give some ambience and depth to the sound of vintage synths by adding a little processing with several effects in the VintageRack app specifically for each track.
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The original tracks, without any processing, were recorded from real instruments and were kindly provided by @ohm_studi_ohm, as were images of these instruments from which they were recorded. On his channel you can find original demos of these synths and other interesting instruments and devices."
"Since these days I have on hand 2 classic - shall I write cult ? - drum machines that I retrofitted with MIDI interface it was very tempting to compare them in real time, playing the same thing. So I did !
The Korg MiniPops features the Tubbutec Unipulse interface (https://tubbutec.de/unipulse/) and the Roland CR-78 was upgraded with Tauntek MCU replacement (http://tauntek.com/CR78.htm). Bless these guys for everything they give to the synth community. In this video I don't go deep into the MIDI functionality, i simply wanted to compare the raw sound of these 2 units. It would not be fair to compare them features wise. 10 years or more separate them and in many aspects the technology gap seems abysmal. BUT they are more alike one can think at first. What makes them very close is the nature, number and choice of drum sounds. The MP7 has 15 of them and the CR78 14. They have those sounds in common: Bass, Snare, Rimshot, High-Hat, Cymbal, Cowbell, Conga, Large Bongo, Small Bongo, Claves, Guiro, Tambourin. The MP7 adds a second Snare sound (longer decay) whereas the CR78 has a second Tambourine sound (longer decay). The "maracas" on th CR78 can be interpreted as Cymbal 2 on the MP7. Actually soundwise the big difference is the "Quijada" sound that's on the MP7 and is nowhere else to be found. Quite a jaw dropping sound it is ! So anyway i MIDI mapped the MP7s sounds to their respective CR78 ones as best possible so I now have 2 analog expanders rack :-)"
quick demo of the Dynacord VRS 23 "Vertical Reverberation System", an analog BBD delay and unique stereo reverb.
As a bucket brigade device delay, the VRS23 is among the best sounding ever produced (listen to those very long yet defined repetitions).
But what makes it truly unique is the reverb mode, which is a true stereo reverb (circuitry is double inside the unit to produce the reverb mode).
I used a Roland SH-101 as a source but the unit sounds great on any material you can provide."
"Since I just finished adding DIN SYNC24 to my Elka Wilgamat I decided to hook it to the Arturia Keystep pro and further added an Oberheim DX and a Powertran Transcendent 2000 to the game. Playing with the Wilgamat accompaniment part brought a known melody to my memory so temptation was high to follow this path...
The Transcendent can be seen in another video i made earlier this month. It was modded to add a sub oscillator and also to correct the peculiar CV/Gate it originally used in order to use it in a standard CV/gate environnment. It's now working fine when controlled externally as you can hear.
If you want to add sync to the Wilgamat there are 2 issues you need to adress: - the unit needs 4ppq so unless you have a device capable of providing such a clock frequency you need to convert the more conventional 24ppq to 4ppq. It's actually very easy to do by using a single 4018 chipset, which can divide by 6 the incoming frequency - second issue is that the clock on the WIlgamat ask for negative pulses so you need to convert the positive pulses to negative ones. I used a single op amp to do that (TL071)"
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video upload by ohm_studi_ohm
"This is quite a rare tape echo manufactured by Dynacord. It seems to be one of the very last tape echo introduced by the brand (with the Echolette Echo 400).
It shares many parts with the Echocord line of delays like motor, pinch roller, heads, oscillator board etc
But this one useS op amps instead of only transistors for amp stages (the Echocord Super 76 also already used one op amp for the output stage).
The unit has 2 heads which you can mix with the dedicated pot. Otherwise classic features like input volume, tone, echo send level, echo feedback and echo level.
In the back the original DIN socket enabled output and aux input. In this case you only get the wet signal out of the delay, which is nice in a studio environment.
Unit was fully serviced and modded. [mods below]
I demoed it with 3 different instruments so you get a good idea of how it sounds with different sources. First is a Roland MC-202, analog mono synth, then an analog drum machine (Roland CR-78) and last an electric guitar (Squier Jagmaster, not in frame). Please note the SE-251 has no hi input impedance so I run the guitar through a DI Box first.
00:00 ROLAND MC202
03:18 ROLAND CR78
06:16 SQUIER JAGMASTER"
- all electrolityc caps were replaced (except 3 bipolar ones )
- original 4x op amps were upgraded to better one (TL081)
- original DIN socket was replaced by 2 jack sockets, one for the output and one for the aux input. Also a pot was added to attenuate the level for the aux input
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video upload by ohm_studi_ohm
"Quick and dirty video to showcase the Böhm Digital Drums i'm selling. [via this auction]
I just made this one to show the unit is fully working, both in performance and record mode.
For those who do not already know this unit it is usually described as the "German Linn Drum" but that is an understatement in my opinion. Sure you get some nice fat 12 bit drum samples and a sequencer that grooves a lot. But it is much more than that.
If you consider it simply as a drum machine from 1983 you would still be amazed by the features it provided back then: 32 user patterns each with fill, break, solo 2 bar and solo 4 bars = 180 possible personal composition in top of the 612 (yes) prerecorded ones, up to 32 bar length and 1/64 resolution, realtime or step recording, individual instrument volumes, automatic or random fills, per pattern or global tempo, sequencer mode, pattern copy and more...
But if you disregard the built-in 'arranger' then you're missing a lot from this great device.
It consists of a 4 part analog synth engine, fully programmable. No possible edition of the sounds but the 66 different presets do sound great. Some are even routed through a analog phasing module built around Panasonic MN3006 BBD chipsets.
You can record your own 5 tracks per pattern, with different bar lengths if you want, and even use the bass part to act as a simple mono bass synth with the provided keyboard !
Probably the most comprehensive unit of its time and genre."
"For those who do not already know this unit it is usually described as the "German Linn Drum" but that is an understatement in my opinion. Sure you get some nice fat 12 bit drum samples and a sequencer that grooves a lot. But it is much more than that.
If you consider it simply as a drum machine from 1983 you would still be amazed by the features it provided back then: 32 user patterns each with fill, break, solo 2 bar and solo 4 bars = 180 possible personal composition in top of the 612 (yes) prerecorded ones, up to 32 bar length and 1/64 resolution, realtime or step recording, individual instrument volumes, automatic or random fills, per pattern or global tempo, sequencer mode, pattern copy and more...
But if you disregard the built-in "arranger" then you're missing a lot from this great device. It consists of a 4 part analog synth engine, fully programmable. No possible edition of the sounds but the 66 different presets do sound great. Some are even routed through a analog phasing module built around Panasonic MN3006 BBD chipsets.
You can record your own 5 tracks per pattern, with different bar lengths if you want, and even use the bass part to act as a simple mono bass synth with the provided keyboard !
Probably the most comprehensive unit of its time and genre.
This one has a very rare modification that provides individual outputs and volumes for the 4 synth parts.
It also has the cassette and trigger option fitted to save and load your patterns and tape sync to other gear.
There are more possible options and modifications for the unit, including 8 seperate outputs for drum sounds, MIDI, drum triggering and more.
It has been serviced and is fully working. Brand new battery was fitted so it's ready for some 40 more years of fat beats.
As it often is the case with such a drum machine you may experience double triggering with the pads but shouldn't be an issue.
specs: * 36 rythms with 5 variations each = 180 patterns * 5x Fill, 5x Break and 2 solos per rythm = 432 patterns * 44 12 bit drums samples * 30 pads * 36 user rythm with 180 possible patterns (36 main patterns, 36 fills, 36 breaks, 36 solo 2 and 36 solo 4) * up tpo 32 bars pattern and resolution up to 1/64 * 4 part analog synth engine with 5 tracks sequencer * 66 analog instrument sounds * Realtime or step by step recording * independant volume for each instrument, saved per pattern * global or per pattern tempo * sequencer mode (36 sequences max) * stereo output * headphone output * optional: 24 notes keyboard * optional: 8 individual outputs * optional: trigger and tape backup (fitted in this unit) * optional: MIDI"
