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<div style="font-family: Calibri,sans-serif; font-size: 11pt;">Sex wee</div>
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<span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">From:
</span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:forums@punkdisco.co.uk">foRUMS 4 punkdISCO</a></span><br>
<span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Sent:
</span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">31/10/2015 20:13</span><br>
<span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">To:
</span><span style="font-family: Calibri,sans-serif; font-size: 11pt;"><a href="mailto:music-bar@lists.music-bar.org">'Music-bar'</a></span><br>
<span style="font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Subject:
</span><span style="font-family: Calibri,sans-serif; font-size: 11pt;">Yamaha SY1 ModMatrix</span><br>
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<p class="x_MsoNormal">Hi MB..</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">Some sexy SY1 mods I just finished:</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">https://farm6.staticflickr.com/5657/22016346254_e460baaf43_b.jpg</p>
<p class="x_MsoNormal">https://farm6.staticflickr.com/5790/22650341151_3b5fed41bd_b.jpg</p>
<p class="x_MsoNormal">https://farm1.staticflickr.com/756/22650342761_2dcb18588a_b.jpg</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">Outputs:</p>
<p class="x_MsoNormal">ENV : Amp Env / AR Env from the existing Attack/Sustain on the SY1 main panel</p>
<p class="x_MsoNormal">VIBRATO : Vibrato LFO CV output from the main panel. Inserting a patch removed pitch vibrato from the preset. I’m not a big fan of pitch vibrato so this was a design choice.</p>
<p class="x_MsoNormal">BEND : CV output from the pain panel Bend. Post Intensity/Time sliders so you can control the level. This is actually hugely useful as having a controllable key triggered TIME/INTENSITY Release CV patched to PWM
or RES etc etc is massive fun..</p>
<p class="x_MsoNormal">TOUCH CTRL : keyboard after touch CV output, post-sensitivity knob so you can turn it up/down. Its independent to the TOUCH CNOTROL flippers so you can, say, have after touch routed to just PWM or HP FREQ etc etc..</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">Inputs:</p>
<p class="x_MsoNormal">TOUCH CTRL : CV input for the pre-wired after touch destination. From the schematics, after touch is routed to both LP and HP cutoff and sounds like it is different amounts for each preset</p>
<p class="x_MsoNormal">HP & HP FREQ : CV input for just the respective filter.</p>
<p class="x_MsoNormal">Everything else : obvious</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">Knobs:</p>
<p class="x_MsoNormal">HP CUTOFF and RESONANCE: I needed a way to only engage these when required as I wanted to be able to play the presets exactly as per the factory settings. I could have used a switch (like the existing factory LP FILTER flipper switch)
but could not decide where to put it. The solution was to use a stereo switching socket for the HP FREQ/RES which means if nothing is patched you get the preset HP settings. Patching into the HP FREQ or RES then also routes in the two new knobs. It’s not
a great solution as you need to put a jack into the socket to turn the knobs ON, even if you are not feeding additional CV onto the jacks.</p>
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<p class="x_MsoNormal">I’m new to Yamaha synths and don’t really know the heritage but these mods have taken the SY1 into “wow” territory.. I have lost so many hours just using the patch panel and have not even begun to patch externally. The real “WOW” moment
always comes when I remove all the patching, reverting back to the factory preset which bears no resemblance to the sound that was just being played..</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">I have a second SY1 in synth-hospital (unfortunately it was dead on arrival after taking a courier drop!) I’m tempted to repeat the mods on this SY1 also just because it makes the synth sound so good..</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">I’ll try and do a quick video sometime soon..</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">Ta,</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">Paul</p>
<p class="x_MsoNormal">London</p>
<p class="x_MsoNormal">www.punkdisco.co.uk</p>
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