Audio Controlled Synthesizer
P SHIFT
SYNTH
C Q
PITCH FM IN
ENV GATE
GAT E
ENV
A-GAIN
+
-
FLT
PRE OUT
HI Z
TRS
AUDIO IN
1) Connecting and powering
To use the ConVertor E1 you need a 12V powered Eurorack case with 6HP (3cm)
+-
User Guide
Firmware 1.0 / 2.0
Thank you for buying a ConVertor E1.
Sonicsmith’s comitment to bridge the gap between pro-audio and
modular synths resulted in this leap-of-technology module. A
preamp and DCO working together or seperately from each other
for the ultimate playground of musical interfacing and control.
The internal DCO can be controlled from audio, CV and MIDI (with
expansion MIDVertor E1). Download the latest product documentaions, specs and firmware downloads (1.x series) at the product
+4-10-20-30-40-50
page:www.sonicsmith.com/products/convertor-e1.
Feel free to write us with any feedback, question or concern at:
info@sonicsmith.com
Nov 2020
available space, one available power connection and 150mA of current available. Connect the power header cable, screw the panel to the rack using all 4 of
the included standard M3 screws. Avoid exposing it to sun, fulids or unchecked
physical abuse/shocks.
Audio Controlled Synthesizer
“Sonicsmith bus” 4 pin header
to MIDVertor E1 (optional)
FM CV in
Mic/Inst/line input
Balanced/unbalanced
Please
Avoid patching any audio signal stronger than +4dBu or CV signals into
the
audio input. The audio & CV outputs of this device are very loud poten-
SYNTH
PITCH FM IN
ENV GATE
GATE
-
FLT
HI Z
AUDIO IN
+
TRS
P SHIFT
C Q
A-GAIN
PRE OUT
+-
ENV
+4-10-20-30-40-50
Synth out
Pitch CV
ENV CV
GATE CV
Preamp out
tially around 10V scale. Always test a signal’s loudness before patching it with
speakers or headphones on.
2) Preamp section buttons
Connect a TS or TRS Mic/Inst./Line 1/4” plug into the audio input
If you play a pickup inst. press the
To toggle between
F LT
analog input HPF frequencies:
A-GAIN To activate Auto-GAIN detection, play
Press
loudly for 3 seconds. Aer 3 seconds, the gain will be set
and the meter will go back to showing input levels. Press
A-GAIN longer than 1 second to undo/redo. The gate will
not effect the PRE OUT levels. Turn the GATE knob while in
A-Gain mode to change the
another 3 second count. The A-Gain mode will auto-exit
within 3 seconds of inactivity. The ConVertor E1 will
remember preamp settings aer a restarting.
FLT
HI Z
TRS
AUDIO IN
Press
ENV
A-GAIN
PRE OUT
+4-10-20-30-40-50
HI Z
LOW Z: 10 kOhm
25 Hz 75 Hz
HI Z: 1000 kOhm
RED
GREEN RED
gain manually and initiating
150 Hz
3) Knobs assignments: Default
P SHIFT
SYNTH
PITCH FM IN
ENV GATE
GATE
-
Turn the
+-
+
GAT E knob to increase/decrease the gate’s threshold by +/-
1dB. Default GATE
by shutting the ENV CV to 0V and the SYNTH OUT audio off. PRE OUT is analog
copy of the same signal going to the ADC. Connect a minijack TS to a +18dBu-capable destination like modular synths. In all other function-modes, these knobs
will be known as “Top knob & Bottom knob”
Turn the P SHIFT knob to increase/decrease
semi-tones for the DCO’s SYNTH & the PITCH CV outputs by
-2.5-+2.7 octaves. Press on the P SHIFT knob to bypass the
shi back to unison. Press it again to undo/redo. Turn the P
SHIFT knob faster than 7 steps in 0.3 sec to jump a whole
octave. The resulting pitch shi is relative to the FM IN
1V/oct CV input so try arpeggiating the pitch from external
LFO’s (see #6 ) & sequencer 1/V per octave CV patched into it.
threshold is -35 dBFS and will effect the ENV CV output
4) Function mode: SYNTH & ENV 5) ENV to VCA, VCF* & ENV CV out
Press the SYNTH button
TOP Knob: WAVE/ Synth Preset
SYNTH
BOTM Knob:
- Press SYNTH again to save / Press longer than 1 sec to undo & go home.
- Auto-save & back to home screen will accure in 7 sec of inactivity.
ENV
0
0
50 100 200 300 500 700 1.2 sec 1.7 sec 2.5 3.5
10 30 50 100 200 500 800 1.5 sec 2.5 sec
Press ENV again to save & home/Press longer than 1 sec to undo & home.
Clip/Fold/Mod/... (firm. 2 only)
Press the ENV button to change the int. VCA ENV & ENV CV out.
TOP Knob: Attack time in milli-seconds/seconds
If VCF is on (see #5) then ENV will go to VCF instead (VCA just gated).
BOTM Knob: Release time in ms/seconds.
GRN= unchanged
Red = changed
100%10% 20% 30% 40% 50% 60% 70% 80% 90%0%
inf.(int.
VCA off
ENV
+
ENV
+
FLT
Press ENV/FLT to save & home/Press longer than 1 sec to undo & home.
Press the ENV + A-Gain buttons to change the
TOP Knob: Compressor/Expander to internal VCA & CV out
EXP Comp Comp Comp Comp Comp
1:2
BOTM Knob: Digital Attenuator to int. VCA & CV out
Press the
Press top knob to engage VCF on/off, or bottom knob to bypass attv.
TOP Knob: ENV compressor/expander to the int. VCF CUTOFF.
EXP Comp Comp Comp Comp Comp
1:2
BOTM Knob: Digital
1:1 2:1 3:1 4:1 6:1 8:1
ENV + FLT button to access int. LP VCF (firm 2)
1:1 2:1 3:1 4:1 6:1 8:1
Attenuverter to VCF ENV & ENV CV out
6) Quantizing the FM in & VCO mode 7) Reset / Expanding to Firm2.0 synth voice
100%10% 20% 30% 40% 50% 60% 70% 80% 90%Mute
1:1-80% -60% -40% -20% ENVoff 20% 40% 60% 80%-1:1
C Q
BOTM Knob:
- Press Q/C again to save / Press longer than 1 sec to undo & go home.
- Auto-save & back to home screen will accure in 20 sec if unchanged.
P SHIFT
Press both encoders down to enter
+-
The SYNTH LED will blink red/green, and the preamp and ENV CV out
will work completely independent from the oscillator pitch and SYNTH
outputs. SYNTH out will be continously full scale (no Q option).
GATE
-
+
To route the preamp’s ENV thru the internal VCA press
func. buttons together. Press both again to bypass the VCA.
Press the Q button to access quantization
TOP Knob: Musical scales, press to toggle major/minor
3rd, 5,
9th
4th, 5,
9th
5th,
9th
4th,
5th
3rd,
5th
FM CV in ATTNV. Press knob to bypass attnv.
VCO mode.
Oct+5 OctavesOff Chrom Natural Penta.
100%-80% -60% -40% -20% 0% 20% 40% 60% 80%-100%
ENV+SYNTH
FLT
HI Z
ENV
A-GAIN
Press and Hold all 4 func. bottons in the preamp section
longer than 1 second to RESET the firmware to the previ
ously loaded firmware (not including user presets).
To Flush the Firmware we need to insert a
micro-SD card containing the proper files for firmware flushing.
Power the device off and then power it on while holding the same
4 func. bottons to start in firmware flushing mode and select a
firmware from SD via the BTM KNOB: firmware 1-6
Top knob: Firmware select 1-6
If you want to expand your ConVertor E1 to be a full synth voice
(firm 2.0) please visit www.sonicsmith.com/products
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