SSL THUNDRUM MODEL 2140

• CUE

VITALS


MANUFACTURERSYNTHETIC SOUND LABS
RELEASEFALL 2021
TYPE
HARDWARE

NOTES FROM THE UNDERGROUND

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The ThunDrum 2140 is a flexible two oscillator FM percussive membrane / metal based drum voice in a 8 HP Eurorack module. 


Controls 
– Tone Pitch
– Tone Color
– External Pitch Amount
– Pitch Envelope Amount (+/-)
– FM Rate
– Ext FM Amount
– Initial FM Amount
– Envelope Decay Time
– Trigger Button (lighted)
Inputs 
– FM Amount CV
– Pitch CV: Bipolar +/- 5V. Roughly linear.
– Decay / Choke CV: 0 to 5V.
– Trigger: Logic ~1.2V threshold.
Outputs 
– Envelope: 0 to ~5V.
– Audio: AC Coupled.
Frequency / Decay Ranges 
– Tone VCO: 0 to ~9 KHz
– FM Oscillator: Approx. 15 Hz to 2.2 KHz
– Envelope Decay: Approx. .002 to 8 Seconds
Indicators 
– Decay level LED (in Manual Trigger button)
Power 
– Current draw: +12V @ 40 ma, -12V @ 20 ma
Size 
Width – 8 HP
Depth – <1.5″ behind panel with connectors


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