Synthesis Technology e440 Filter : Eurorack Module : NEW DETROIT MODULAR]

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When ordering from the US, parcels may be subject to import tax and duty charges, which the buyer is responsible to pay. SYNTHESIS TECHNOLOGY E440 DISCRETE OTA FILTERMANUFACTURER DESCRIPTIONThe Synthesis Technology E440 is a lowpass voltage-controlled filter with 3 simultaneous outputs.
The input is any audio source (can be from line level to synth level) and the output is via the
different slopes of the filter: 2pole (-12dB/oct), 3pole (-18dB/oct) and 4pole (-24dB/oct). There are
3 CV inputs to control the cutoff frequency plus a separate CV input for the resonance. The E440
will self-oscillate at high resonance and can be used for a sine VCO (each output is phase shifted
45 degrees from the prior one) with 1V/Oct tracking (trimmable) over a 4-octave range. This
response is also temperature-compensated. An external audio mixer module can be used to blend
the 3 outputs into “in-between” slopes and by inverting them relative to another, different
frequency responses.

Features

» RESONANCE: amount of filter resonance. This knob setting is added to whatever CV is plugged into the
RES CV jack. The filter will self-resonate (with no external applied CVs) at the ~9 tick mark.

» FM1: filter frequency modulation standard attenuator for whatever is applied to the FM1 jack.

» FM2: filter frequency modulation reversing attenuator for the CV plugged into the FM2 jack.
The 12:00 (straight up) position is maximum attenuation: rotating CCW will add the inverted signal
to the FREQUENCY control while rotating CW will add the applied CV.

» FREQUENCY: the cutoff (or self-oscillation initial frequency). The VCF will internally add all 4 CV
inputs together to determine the filter’s cutoff frequency. The range is 20Hz to ~ 18KHz.

» DRIVE: this is a combination attenuator for the AUDIO IN and a booster amplifier (~2X gain).
The filter can be over-driven to clipping (with a large voltage output swing, ~14V pk-pk). You can
use this control to boost line-level signals as well. The unity gain setting is ~ ‘4th’ tick.

» CV inputs. The range of each input is -5V to +5V. FM1 and FM2 are on attenuators, while
1V/Oct and RES CV are not.

» Audio jacks. AUDIO IN can be any level up to 14V pk-pk. The 3 outputs are the lowpass
responses. All 3 outputs share the resonance and cutoff CVs. You will note that the relative levels
of the 3 responses are slightly different, which is resonance dependent. This is just the nature of
the electronics. The 4 OTA stages are not gain-matched and the filter caps are +-5%. This will
cause each stage to vary slightly in gain relative to the others. Consider this part of the E440’s charm.

Technical Details

» Eurorack Format
» CV Inputs: -5V to +5V, DC to 10KHz. RES IN is 0V (no resonance) to +5V (full resonance).
» Audio input: 50K nominal input impedance, 100mv to 14V pk-pk.
» Outputs: -7V to +7V, 20Hz to 18KHz
» Power: +12V @23ma, -12V @23ma. nominal
» Jumper options: JP1 – Bass Boost Enhancement OFF or (ON). SHIPPINGDomestic items usually ship within 24 hours of paymentFree shipping on most items to the Contiguous United States (48 states)USPS tracking and insurance includedExpress shipping availablePO Box Addresses will ship via USPS PriorityImport duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility.Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying.

Shipping fees to ALL OTHER LOCATIONS will be calculated individually and added to customer invoices. Local duties, taxes and charges are not included in the sale price or ship charges. Detroit Modular is not responsible for any taxes outside of Michigan and or the USA. In the event that the customer refuses a shipment, all shipping costs to and from the country or State in which the item was shipped to are not refunded. Please be aware that in some cases return shipping can cost as much as double the original ship cost. RETURNSWe have a 14-day return period. If for any reason, you aren’t getting along with the new purchase we will take it back. We will exchange for an alternative item or store credit, less the original shipping fees (this includes the shipping fees incurred by DM, and any free shipping items). Items must be returned in the original packaging, with all included items and documentation, and be returned in the condition that they were sent. Returned items for refund that are not broken or not being exchanged due to fault are subject to a 15% restocking fee. Any item returned with damage, rack rash, or any other physical markings not allowing us to sell as new will be subject to a minimum of 25% restocking fee.
Defective units will be exchanged for the same unit within the 14-day period.
Items that can not be returned include: software, units with contents or packaging that is damaged or missing, and used gear.
Please contact us before returning any items. Credit will be issued according to your payment method, or if you prefer store credit. If any product is damaged in shipping, you should contact us immediately so that we can address the issue promptly with the appropriate carrier. Any return sent back with out contacting us first will not be honored.Always know that we will do whatever we can to make it right.
PAYMENTSWe accept all forms of payment including Paypal. If paying via Paypal the shipment must be directed to a confirmed address. Shipments to Michigan addresses will include 6% Michigan sales tax.
MPN st_e440 Brand SYNTHESIS TECHNOLOGY UPC Value Does not apply UPC Does not apply

Category: Musical Instruments:Pro Audio Equipment:Synthesisers and Sound Modules
Location: Birmingham, Michigan