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Boredbrain Music EQx5 Eurorack 5 Band EQ Module

Boredbrain Music / 10 HP

1 175,00zł
In stock
Boredbrain Music EQx5 Eurorack 5 Band EQ Module main image
Boredbrain Music EQx5 Eurorack 5 Band EQ Module main image
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eqx5
VOLTAGE CONTROLLED EQUALIZER
Five frequency bands with ±12 dB gain
Post-EQ balance and level controls
Control voltage inputs for all parameters
Stereo I/O with discrete signal paths
Additional mono sum output
Experiment with EQ
EQx5 is an effective 5-band stereo equalizer for eurorack synthesizers. The module allows for quick and musical adjustments to the frequency content of audio signals, with voltage-control of all parameters for experimental EQ processing.
Five Frequency Bands
The module has five bands of graphic equalization, each with ±12 dB of level boost or cut. The first order filters employed for equalization have slopes of 6 dB/oct from their respective center frequencies.
HIGH 10 kHz shelf
HI-MID 4 kHz peak
MID 1 kHz peak
LO-MID 400 Hz peak
LOW 100 Hz shelf
Adjustments to these bands can make both subtle and dramatic changes to the frequency characteristics of the source audio signal(s). These adjustments can be useful in many scenarios such as attenuating problem frequencies and accentuating others, or strategically making “space” in the mix for specific sounds.
Balance & Level
The BALANCE parameter is essentially an equal-power crossfader which simultaneously and inversely affects the gain of the Left and Right channels. When a stereo signal is connected to the module’s inputs, this parameter functions like a Pan control, shifting the stereo image Left and Right. When two mono signals are connected to the module’s inputs and the OUT L+R mono output is used, this parameter functions like a volume crossfader with no perceivable level drop in the center.
The LEVEL parameter is a post-eq volume adjustment, used primarily to compensate for level changes after frequency equalization. The module implements a pseudo-loudness feature, which gradually boosts the LOW and HIGH shelving filters as LEVEL is reduced. This helps to retain the signal’s “fullness” as it is attenuated, accounting for the equal-loudness contour.
Complete Voltage Control
A key feature of EQx5 is the ability of all parameters to be controlled with external voltages, opening up a range of experimental possibilities in the eurorack environment.
The amount of boost or cut for each band can be modulated using control voltage signals, with the full range being ±5 V (10 Vpp). The frequency band’s gain knob then defines the bias point to offset the incoming control voltage.
Additionally, both BALANCE and LEVEL have their own respective CV inputs, also with a full range of ± 5 V. The LEVEL parameter can act very much like a VCA when used in combination with its CV input.
Input & Output
The two inputs, L and R, are designed for audio signals within the audible spectrum. These inputs are AC-coupled, and will block DC signals to reduce noise. R is normalled L, so if no plug is present, the channel will obtain a of copy of L.
In addition to the two discrete L and R outputs, the module has a mono output, OUT L+R, which is the sum of the two channels. As mentioned previously, this output is useful when crossfading between two signals using the BALANCE parameter, or to conveniently obtain a mix of the two audio signals.

  • Width: 10HP
  • Depth: 25mm
  • Power: 60 mA +12V / 49 mA -12V

How much is my shipping?

Shipping costs are calculated automatically at checkout. Simply add items to your cart and proceed to the checkout page, where you'll see the available shipping options and their prices. VAT at the applicable rate for your country will also be displayed at checkout.

European Union orders:

  • Standard shipping is free on orders over €100. Express shipping is available on orders over €100, and free on orders over €400.

Poland orders:

  • Standard shipping is free on orders over 250 PLN. Express shipping is free on orders over 500 PLN.

What about local taxes?

By default prices on the site include sales tax at 20%. The precise sales tax rate for your country will be calculated at checkout.

Do you ship to my country?

We ship to all EU member states from our warehouse in Warsaw, Poland. Add an item to your cart and enter your country and postcode to see the available shipping options and prices for your location. If you have any questions about shipping to your country, drop us an email at info@signalsounds.eu and we'll be happy to help.

Shipping methods

All EU orders are shipped via UPS. We offer two service levels:

  • UPS Standard – our default shipping option. Delivery times vary by country (see estimated delivery times below).
  • UPS Express Saver – next business day delivery to most EU destinations.

Each product page shows the estimated delivery time for your location, so you'll always know what to expect before you order.

Estimated delivery times (Standard shipping)

The times below are estimates in working days from dispatch, based on UPS Standard service. Express Saver delivers by the next business day to most destinations.

Country Estimated delivery (working days)
Austria2–3
Belgium2
Bulgaria4–5
Croatia2–4
Cyprus10
Czechia2–3
Denmark3
Estonia2–3
Finland3–5
France2–4
Germany2
Greece5–7
Hungary2–3
Ireland4–6
Italy3–5
Latvia2–3
Lithuania1–2
Luxembourg2
Malta5–7
Netherlands2
Poland1–2
Portugal4–5
Romania3–4
Slovakia2–3
Slovenia2–3
Spain4
Sweden3–5

These times are estimates and are not guaranteed. Delivery may occasionally take a little longer due to customs processing, local conditions, or carrier delays.

Dispatch times

Orders placed before 15:00 CET (Central European Time) on a working day are normally dispatched the same day. Orders placed after 15:00 CET, or on weekends and public holidays, will be dispatched on the next working day.

If you have an urgent order, please email us at info@signalsounds.eu before placing your order and we'll do our best to accommodate you.

Pre-orders

If a product is listed as a pre-order, it means we've ordered it from the supplier but it's not physically in stock yet. The product listing will include an estimated shipping date based on the best information we have from the supplier, but do bear in mind this is subject to change and is not a guaranteed date.

If you place an order containing a mixture of in-stock and pre-order items, we'll normally hold off on shipping anything until the pre-order item(s) have arrived, rather than splitting it into multiple shipments. If you need the in-stock items sooner, we'd recommend placing separate orders. As always, please get in touch at info@signalsounds.eu if you have questions.

Product Overview

eqx5
VOLTAGE CONTROLLED EQUALIZER
Five frequency bands with ±12 dB gain
Post-EQ balance and level controls
Control voltage inputs for all parameters
Stereo I/O with discrete signal paths
Additional mono sum output
Experiment with EQ
EQx5 is an effective 5-band stereo equalizer for eurorack synthesizers. The module allows for quick and musical adjustments to the frequency content of audio signals, with voltage-control of all parameters for experimental EQ processing.
Five Frequency Bands
The module has five bands of graphic equalization, each with ±12 dB of level boost or cut. The first order filters employed for equalization have slopes of 6 dB/oct from their respective center frequencies.
HIGH 10 kHz shelf
HI-MID 4 kHz peak
MID 1 kHz peak
LO-MID 400 Hz peak
LOW 100 Hz shelf
Adjustments to these bands can make both subtle and dramatic changes to the frequency characteristics of the source audio signal(s). These adjustments can be useful in many scenarios such as attenuating problem frequencies and accentuating others, or strategically making “space” in the mix for specific sounds.
Balance & Level
The BALANCE parameter is essentially an equal-power crossfader which simultaneously and inversely affects the gain of the Left and Right channels. When a stereo signal is connected to the module’s inputs, this parameter functions like a Pan control, shifting the stereo image Left and Right. When two mono signals are connected to the module’s inputs and the OUT L+R mono output is used, this parameter functions like a volume crossfader with no perceivable level drop in the center.
The LEVEL parameter is a post-eq volume adjustment, used primarily to compensate for level changes after frequency equalization. The module implements a pseudo-loudness feature, which gradually boosts the LOW and HIGH shelving filters as LEVEL is reduced. This helps to retain the signal’s “fullness” as it is attenuated, accounting for the equal-loudness contour.
Complete Voltage Control
A key feature of EQx5 is the ability of all parameters to be controlled with external voltages, opening up a range of experimental possibilities in the eurorack environment.
The amount of boost or cut for each band can be modulated using control voltage signals, with the full range being ±5 V (10 Vpp). The frequency band’s gain knob then defines the bias point to offset the incoming control voltage.
Additionally, both BALANCE and LEVEL have their own respective CV inputs, also with a full range of ± 5 V. The LEVEL parameter can act very much like a VCA when used in combination with its CV input.
Input & Output
The two inputs, L and R, are designed for audio signals within the audible spectrum. These inputs are AC-coupled, and will block DC signals to reduce noise. R is normalled L, so if no plug is present, the channel will obtain a of copy of L.
In addition to the two discrete L and R outputs, the module has a mono output, OUT L+R, which is the sum of the two channels. As mentioned previously, this output is useful when crossfading between two signals using the BALANCE parameter, or to conveniently obtain a mix of the two audio signals.

Technical Specs

  • Width: 10HP
  • Depth: 25mm
  • Power: 60 mA +12V / 49 mA -12V

Shipping Details

How much is my shipping?

Shipping costs are calculated automatically at checkout. Simply add items to your cart and proceed to the checkout page, where you'll see the available shipping options and their prices. VAT at the applicable rate for your country will also be displayed at checkout.

European Union orders:

  • Standard shipping is free on orders over €100. Express shipping is available on orders over €100, and free on orders over €400.

Poland orders:

  • Standard shipping is free on orders over 250 PLN. Express shipping is free on orders over 500 PLN.

What about local taxes?

By default prices on the site include sales tax at 20%. The precise sales tax rate for your country will be calculated at checkout.

Do you ship to my country?

We ship to all EU member states from our warehouse in Warsaw, Poland. Add an item to your cart and enter your country and postcode to see the available shipping options and prices for your location. If you have any questions about shipping to your country, drop us an email at info@signalsounds.eu and we'll be happy to help.

Shipping methods

All EU orders are shipped via UPS. We offer two service levels:

  • UPS Standard – our default shipping option. Delivery times vary by country (see estimated delivery times below).
  • UPS Express Saver – next business day delivery to most EU destinations.

Each product page shows the estimated delivery time for your location, so you'll always know what to expect before you order.

Estimated delivery times (Standard shipping)

The times below are estimates in working days from dispatch, based on UPS Standard service. Express Saver delivers by the next business day to most destinations.

Country Estimated delivery (working days)
Austria2–3
Belgium2
Bulgaria4–5
Croatia2–4
Cyprus10
Czechia2–3
Denmark3
Estonia2–3
Finland3–5
France2–4
Germany2
Greece5–7
Hungary2–3
Ireland4–6
Italy3–5
Latvia2–3
Lithuania1–2
Luxembourg2
Malta5–7
Netherlands2
Poland1–2
Portugal4–5
Romania3–4
Slovakia2–3
Slovenia2–3
Spain4
Sweden3–5

These times are estimates and are not guaranteed. Delivery may occasionally take a little longer due to customs processing, local conditions, or carrier delays.

Dispatch times

Orders placed before 15:00 CET (Central European Time) on a working day are normally dispatched the same day. Orders placed after 15:00 CET, or on weekends and public holidays, will be dispatched on the next working day.

If you have an urgent order, please email us at info@signalsounds.eu before placing your order and we'll do our best to accommodate you.

Pre-orders

If a product is listed as a pre-order, it means we've ordered it from the supplier but it's not physically in stock yet. The product listing will include an estimated shipping date based on the best information we have from the supplier, but do bear in mind this is subject to change and is not a guaranteed date.

If you place an order containing a mixture of in-stock and pre-order items, we'll normally hold off on shipping anything until the pre-order item(s) have arrived, rather than splitting it into multiple shipments. If you need the in-stock items sooner, we'd recommend placing separate orders. As always, please get in touch at info@signalsounds.eu if you have questions.

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