New ADSR / LPG card for 208 : The Stoned Marten

Buchla, Serge, Studio.h, Northern Light Modular, Keen Assoc., 1979, Vedic Scapes, etc. Banana systems
Be sure to look into MANUFACTURER SUB-FORA as well..
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papz
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New ADSR / LPG card for 208 : The Stoned Marten

Post by papz »

Hi

Here's a new card to expand the 208 with a VC looping ADSR enveloppe, a Lo Pass Gate, a preamp and an output mixer.
The switches will give you the ability to instantly turn on, off and mix various signals to trigger the ADSR and open the LPG, and you’ll can shape and put life into your patches thanks to the CV inputs controlling each setting.
This opens up countless modulation variations.

It's an ideal companion for the VCS3 Card or Triglav's Radio Receiver one to add a full 3rd voice.

stonedmarten.jpg

Todd Barton kindly did nice videos explaining the card's features and demos.
Here's his playlist, thank you Todd !





ADSR

LED : monitors the ADSR output

Pots
Attack : sets the attack time
Decay : sets the decay time
Sustain : sets the sustain amplitude
Release : sets the release time

Black banana CV inputs - each with attenuator trimmer
Attack : controls the attack time
Decay : controls the decay time
Sustain : controls either the sustain amplitude or the pulse length (see below), selected with a mini slide switch
Release : controls the release time

Trigger source
Red banana : pulse input
Length pot : sets the input pulse length - I don't think this is a common feature on standard ADSR, it is to adapt the pulse length for best response to various trigger and gate sources or to create variations in a sequence, it can be voltage contolled via the sustain black banana
Seq / puls switch : selects if the 208's pulse sequence switches or pulser triggers the envelope, central position is off, it can be mixed with the red banana pulse input
Self switch : switch it to the right to enable looping
LED : monitors the retrig pulse
Black banana : CV input to the retrig pulse delay
Pot : pulse delay

Orange banana outputs
Out : ADSR CV output
Inv. out : ADSR CV inverted output (negative voltage)
Switch : connects either the output or inverted output to the LPG level input, central position is off

LPG

Level
Left pot : sets the CV input amplitude
Right : sets the amplitude manually
LED : monitors the LPG opening
Black banana : CV input
Env / puls switch : selects if the 208's envelope or pulser controls the LPG level, central position is off, it can be mixed with the ADSR out / inv. out switch and CV input
Mode select
Switch : selects LPF combination or VCA mode
Black banana : mode CV input - with attenuator trimmer

Preamp
Signal in tinijax : signal input to the LPG
Gain switch : switch to adapt the preamp gain according to the incoming signal amplitude
Phase : switch tho the right (inv) position to invert the incoming signal phase

Output section
Channel C pot : sets the LPG output amplitude to the output mixer
Signal out : LPG and mixer output
Signal in : input to the mixer to patch one of the 208's signal outputs in order to have a single mixed signal of the 3 LPGs at the mixer output, if nothing's patched to this input, the card's LPG output only is present at the signal output which can be patched on its own directly to a mixer or effect or other module

As an option, the LPG output can also be connected via a mini slide switch directly to 208's output section via the edge connector with a small easy modification of the 208 (not the 208c as I think that unlike other revisions, there's no contact left available on the connector).

The card will be first available pre-built only for 500€ VAT and shipping excl.
Please PM or email me to join the waiting list.

The PCB set will be available for DIY later.

Thanks for watching !
Last edited by papz on Wed Jan 18, 2023 1:17 pm, edited 15 times in total.
Finest EMS gear service and 208 goodies

I'm not a synths dealer and don't know of any cheap Synthi secret market.
I don't offer support for attempts to build clones of EMS equipment.
Please don't ask, thanks.
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Triglav
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Re: New ADSR / LPG card for 208

Post by Triglav »

Neat! :tu:
nidas
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Re: New ADSR / LPG card for 208

Post by nidas »

Great job Papz!
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chrisdermo
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Re: New ADSR / LPG card for 208

Post by chrisdermo »

Yowza! What a great card!
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papz
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Re: New ADSR / LPG card for 208

Post by papz »

Thanks guys !
Finest EMS gear service and 208 goodies

I'm not a synths dealer and don't know of any cheap Synthi secret market.
I don't offer support for attempts to build clones of EMS equipment.
Please don't ask, thanks.
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chrisdermo
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Re: New ADSR / LPG card for 208

Post by chrisdermo »

If I had the cash I'd be seriously considering a second 208 to house another hub and set of cards
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TheSynth
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Re: New ADSR / LPG card for 208

Post by TheSynth »

Congrats, Papz! I'm down for one 8-)
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TheSynth
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by TheSynth »

Cool name too (The Stoned Marten)! :lol:
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zzelig
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by zzelig »

Thanks! Looking forward to the PCB set.
Starfighter
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by Starfighter »

This looks way cool! Nice work!
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by patchenp »

Oooh! This looks fantastic!
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by papz »

:chug:
Finest EMS gear service and 208 goodies

I'm not a synths dealer and don't know of any cheap Synthi secret market.
I don't offer support for attempts to build clones of EMS equipment.
Please don't ask, thanks.
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mano 1
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by mano 1 »

You’re a wizard!

:hail:
Peake: Get off my lawn ya damn kids why back in my day we had to climb a mountain in a snowstorm and fight wolf packs just to catch a glimpse of a vactrol

beedeesmith: I just offered Symbolic Sound the burnt offerings of my Visa card as dark tribute for a Pacamara as I’m too squeamish to do a blood sacrifice

Eric Fox Buchla CEO: Please send all complaints to: support@korg.com

elmerfudd: Perversion I say. The ghost of Don should brick your I2C bus. e should have Selcos like the creator untended
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by ikkini »

Nice one !
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by mich »

👍👍
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papz
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by papz »

Thanks

Can't wait for Todd's Demo :sb:
Finest EMS gear service and 208 goodies

I'm not a synths dealer and don't know of any cheap Synthi secret market.
I don't offer support for attempts to build clones of EMS equipment.
Please don't ask, thanks.
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antiformant
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by antiformant »

This looks fantastic! Just saw Todd's demo today and can see how this would be a really awesome addition to any 208 setup :)
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papz
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by papz »



:party:
Finest EMS gear service and 208 goodies

I'm not a synths dealer and don't know of any cheap Synthi secret market.
I don't offer support for attempts to build clones of EMS equipment.
Please don't ask, thanks.
User avatar
TheSynth
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by TheSynth »

Nice! :tu:
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Radiance2021
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by Radiance2021 »

Great work Papz!!
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by Radiance2021 »

The Stoned Marten? ....sup with that?
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papz
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by papz »

Enjoy your food :lol:
Finest EMS gear service and 208 goodies

I'm not a synths dealer and don't know of any cheap Synthi secret market.
I don't offer support for attempts to build clones of EMS equipment.
Please don't ask, thanks.
Scrog1er
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by Scrog1er »

Sign me up for DIY/PCB when it becomes available!

Thanks papz!
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justin3am
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by justin3am »

Wow, nice!
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Re: New ADSR / LPG card for 208 : The Stoned Marten

Post by kristian »

Looks interesting! I thought about a little case where i would put your hub in, connected via a ribbon cable. Did anyone build this already? I love the cards but i would like to have them kind of external.
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