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BLACK
LOW PASS VCF
THANK YOU FOR PURCHASING
ERICA SYNTHS BLACK SERIES MODULE!
Erica Black Series include high-end, unique functionality and superior quality
modules. Only the best, highest quality components are used, all inputs and
outputs are protected against undesired overvoltage. When designing Black
Series, put design and usability superior. Big knobs are assigned to functions
that make dierence in sound. Erica Black series consist of range of modules
that are needed to put together entire synth. Enjoy!
The Erica Synths Black Low Pass VCF is designed for analogue purists, who
take sound design seriously. It’s highly stable, 24dB/oct resonant low pass VCF
with voltage control over cuto (two CV inputs, one is with an attenuverter)
and resonance. Bonus features are built in post-filter overdrive circuit with user
adjustable drive amount and the Black Filter Coupler connector. When used in
combination with the Black High Pass VCF and the Black Filter Coupler, you get
a Holy Trinity of VCFs for an ultimate analogue modular system.
ON
OFF
IN LEVEL
CV1 LEVEL
0
CUTOFF
RESO CV IN DRIVE
RESONANCE
RESO CV LEVEL
CUTOFF
This is the main control of the module – manual cuto
frequency adjustment. The incoming CV is added to the
cuto knob position.
DRIVE
For extreme results, flip the DRIVE switch ON! This will
apply post-filter drive. You can preset drive level to your
taste by adjusting a trimpot close to the switch on the
back side of the module.
RESO CV IN
This is the resonance CV input.
IN LEVEL
Adjust the audio signal level.
RESONANCE
Adjust the resonance level manually. On settings over
1PM the filter will start to self-oscillate. The incoming CV is
added to the resonance knob position.
CV1 LEVEL
This is cuto CV attenuverter. Adjust the CV level to your
taste!
FEATURES:
Voltage control over cuto and resonance
Gain loss compensation on high resonance
Cuto CV attenuverter
Built in adjustable overdrive circuit
Filter coupler connector
SPECS:
Audio level 10Vptp
CV level -10V - +10V
Filter slope 24dB/oct
Power consumption +25mA, -29mA
Module width 10HP
Module depth 35mm
INPUT CV1 CV2 OUT
BLACK LOW PASS VCF
RESO CV LEVEL
Adjust the resonance CV level to your taste.
INPUT
Patch your audio signals here.
CV1; CV2
These are the cuto CV inputs. The CV1 level is adjustable
by CV1 LEVEL attenuverter knob, CV2 is applied to the
cuto without attenuation.
OUT
This is the audio output of the module.
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The Black Low Pass VCF has a hidden feature – the Black Filter Coupler connector. The Erica Synths
Black Filter Coupler is a satellite module for the Black High Pass and the Black Low Pass VCFs, and it
adds versatile Bandpass and Band Reject filter functionality to your modular system.
Please note, that the Black Filter Coupler works only with Erica Synths modules and you need both
Black High Pass and Low Pass VCFs.
CUTOFF
DRIVE
ON
OFF
IN LEVEL
CV1 LEVEL
INPUT CV1 CV2 OUT
RESO CV IN
RESONANCE
RESO CV LEVEL
BLACK HIGH PASS VCF
CENTER FREQ
BANDWIDTH
CF CV LVL
MODE
BR
OFF
BP
BW CVCF CV
OUTIN2IN1
BLACK VCF COUPLER
CUTOFF
ON
OFF
IN LEVEL
CV1 LEVEL
0
INPUT CV1 CV2 OUT
RESO CV IN DRIVE
RESONANCE
RESO CV LEVEL
BLACK LOW PASS VCF
Remove the jumper and
connect the Erica Synths Black
Filter Coupler. 2x5pin ribbon
cable is supplied with the
Black Filter Coupler module.
Use this trimpot to adjust
post-filter overdrive to your
taste.
SAFETY INSTRUCTIONS
Please follow the instructions for use of the Erica Synths module below,
‘cause only this will guarantee proper operation of the module and
ensure warranty from Erica Synths.
Water is lethal for most of the electric devices, unless they are made
waterproof. This Erica Synths module is NOT intended for use in a
humid or wet environment. No liquids or other conducting
substances must get into the module. Should this happen, the
module should be disconnected from mains power immediately,
dried, examined and cleaned by a qualified technician.
Do not expose the module to temperatures above +50° C or below
-20° C. If you have transported module in extreme low temperatures,
leave it in room temperature for an hour before plugging it in.
Transport the instrument carefully, never let it drop or fall
over. Warranty does not apply to modules with visual
damages.
The module has to be shipped in the original packaging
only. Any module shipped to us for return, exchange and/or
warranty repair has to be in its original packaging. All other
deliveries will be rejected and returned to you. Make sure
you keep the original packaging and technical documentation.
This device complies to the EU guidelines and is manufactured RoHS conforming without use of lead, mercury,
cadmium and chrome. Nevertheless, this device is special
waste and disposal in household waste is not recommended.
User manual by Girts Ozolins@Erica Synths.
Design by Ineta Briede@Black8.
Copying, distribution or any commercial use in any way is
prohibited and needs the written permission by Erica Synths.
Specifications are subject to change without notice.In case of
any questions, feel free to contact us through www.ericasynths.lv.
You will find Erica Synths terms of warranty at
www.ericasynths.lv
Items for return, exchange and/or warranty repair have to
be registered at SUPPORT on www.ericasynths.lv and send
back to us according to instructions in the support page.
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