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Electro Harmonix Stereo Polychorus XO

Code: POLYXO
  • £208.00
  • Free UK Delivery
    (Free Delivery Over £99)
Out of Stock | In Stock
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Mode selectable analog effects: chorus, flange, double track and filter matrix
Double track is a short slapback echo
Filter matrix mode disengages the sweep flange adjustment for manual flange tones
All effects have control over feedback and tune/delay
Sweep filter switch
Stereo outputs
9.6DC-200 power supply included
Need more information on the Electro Harmonix range? Call us on 01254 265212

What Electro Harmonix say....



The final word in analog chorus pedals. The classic that Kurt Cobain and Adrian Belew relied on to create their signature sounds. The Stereo Polychorus provides the lushest stereo chorus, rich chiming flange, and the over-the-edge effects that made this versatile pedal legendary.



The STEREO POLYCHORUS’s four switch-selectable modes are:




FILTER MATRIX- A comb filter, which creates “chime” effects. In this mode you can sweep the TUNE knob manually for “custom” flanging.



FLANGE — A sweeping comb filter which creates a variety of modulation effects and whooshing sounds.



CHORUS- A sweeping echo for moving sounds such as “12 string guitar” and rotating speaker effects.



DOUBLE TRACK- A short-delay echo for spacious “stage effects”.



Plug the supplied AC adapter supplied into your Polychorus. Connect your instrument or microphone to the INPUT jack and your amplifier to the MAIN OUT jack (for an amazing stereo effect, connect a second amplifier to OUTPUT 2 simultaneously).



Press the BYPASS FOOTSWITCH to engage the effect. The status LED located above the footswitch will light up. Press the footswitch again to switch back to true bypass mode, the LED will shut off.



FILTER MATRIX- Select FILTER MATRIX mode. The TUNE control will shift the effect from a high airy tone clockwise (CW) to a rich tone counterclockwise (CCW). While the RATE control has no effect in this mode, turning the TUNE control will produce a manual or “custom” flange. The FEEDBACK control determines how much of the processed signal is mixed in or “fed back” to the input. In FILTER MATRIX, turning FEEDBACK CW will “sharpen” or increase the intensity of the effect. CAUTION: In the extreme CW position the FEEDBACK control may cause oscillation, a squealing or roaring sound. This is normal, and may be stopped by backing off the FEEDBACK control.



FLANGE - Turn the MODE switch to the FLANGE position. The RATE control determines how fast the comb filter sweeps up and down through its pitch range. Turned fully CW, the frequency is about ten cycles per second. Turned fully CCW, the sweep is slow, about one cycle every ten seconds. The pitch range of the sweep is set by the combined action of the WIDTH and TUNE knobs: The TUNE control sets the center frequency, and the WIDTH control determines how far the sweep goes. Maximum TUNE range is obtained by setting the WIDTH knob fully CW. The FEEDBACK knob also operates as in FILTER MATRIX.



CHORUS - When CHORUS mode is selected, the FEEDBACK knob determines the number of echoes: CCW for a single repeat, CW for more. The TUNE control will increase the delay time of the echo as it is turned CW. The WIDTH control maximizes the delay range of the TUNE control in its CW position, and emphasizes the modulating character of the CHORUS effect as it is turned more CW. The RATE control operates as in FLANGE.



DOUBLE TRACK — In this mode, all controls operate as in CHORUS mode, except that this is purely an echo effect and the RATE control is disengaged.



SWEEP FILTER — When set to ON, gives a smoother well rounded sound with a “liquid” sensation, if you set your unit to a very slow flange effect it is recommended to turn this off.



MAIN OUT & OUTPUT 2 — MAIN OUT is for standard effect usage. For a total spacious stereo effect, connect OUTPUT 2 to a second amplifier or a second channel on the same amplifier.



9V PWR JACK — Connect the output plug of the supplied AC Adapter into the 9V power jack at the top of the Stereo Polychorus. The Stereo Polychorus draws 110 mA of current from 9 VDC. The polarity of the power jack is center negative. The maximum allowable power supply voltage is 12.0 VDC.





Coronavirus Update

Our chosen courier, DPD is currently operating as normal and all orders should be delivered on time. DPD are also now operating a "contact-free" service as a standard process and customers will not be asked to sign handheld units.

Mainland UK Delivery Services

  • Next Working Day - Free for orders over £99, £8.95 otherwise (DPD, Next Working Day)
  • Standard - Free for orders over £99, £4.95 otherwise (DPD, 1-3 Working Days)

Order before 2pm, Monday to Friday, for same-day dispatch of in-stock orders. Very heavy items such as pianos may take longer to deliver. In-stock orders placed over the weekend will be dispatched on Monday. Estimated delivery times for out of stock items are to be used as a guide only, these items may take longer than estimated to arrive. While we try our best to ensure rapid delivery of your order, delays may occur which are outside our control, and delivery of large or bulky items, or to remote or non-mainland addresses may take longer than estimated.

Courier Tracking

Most UK deliveries are shipped by our trusted courier, DPD. You'll receive an email with a delivery day, tracking and a one hour estimated delivery window on the morning of delivery. While we can't specify the time of the delivery, if it's not convenient, you can arrange directly with DPD for an alternative delivery date or request the parcel be left with a neighbour.

For heavier items, we usually ship UK deliveries by TNT. You will receive an email with tracking details when we ship your order. 

Delivery Charges

Delivery to mainland UK addresses is free on all orders over £99. Delivery charges are based on the size and weight of your order and, in some cases, your location. A standard next working day carriage charge for UK mainland addresses is shown on the shopping basket page, but you can change delivery service later in the checkout.

Delivery Couriers

We use a few different delivery couriers, depending on the items being sent, your location, and the delivery service you've chosen:

  • UK inc. Northern Ireland: Most items will be shipped by DPD. Note: all items in your order must be in stock for all of your order to be dispatched on the same day.
  • UK inc. Northern Ireland: Most smaller items will be shipped by Royal Mail Recorded Delivery.
  • UK inc. Northern Ireland: Most very large or heavy items such as pianos are delivered by TNT, or by our in-house delivery service. Orders shipped by TNT are usually on a next working day service, whereas items using our in-house delivery service may take longer. Note: Delivery to non-ground-floor addresses without a suitable lift will cost extra.
  • Europe: Most orders will be shipped by DPD International. Delivery times and charges depend on your location - these charges will be displayed in the order basket.

Most orders will need to be signed for and we advise you make sure to check your parcel/s for any damage before signing. If no-one is available at your address, a card will be left so you can arrange a re-delivery directly with the courier. Redirection of an order after it's been dispatched may incur an extra charge from the courier.

Delivery Areas & European Shipping

Delivery charges displayed apply to most UK mainland addresses. Deliveries to Northern Ireland, UK non-mainland, and European addresses will cost more, and carriage charges will be shown at the checkout before you place your order. Free delivery offers may not apply to some remote/Scottish Highlands addresses.

Returns

Coronavirus Update

There are currently delays for all returns processing due to extra safety procedures. Thanks for your patience during this difficult time.

Replacement process for items damaged in transit or faulty

It doesn't happen often, but occasionally an item does get damaged on it's way to you. Don't worry! If your order is received either damaged or faulty, just let us know, preferably using the returns request form within 30 days of receiving the item, and we'll arrange for it its return and for a replacement or refund.

Returning an undamaged item

You can return most items bought online or by phone within 14 days for a refund (provided that it is unused and returned to us in New Condition – including packaging). You will need to return the item at your own expense. When we receive the goods back undamaged and with the correct packaging we will refund the cost of the goods.

Software or products that include software that needs to be registered are not eligible for this 14 day return period if opened and installed, and due to hygiene reasons we can't accept certain used in-ear headphones, microphones or harmonicas.

Faulty items under guarantee

The repair procedure for items which are under guarantee varies from manufacturer to manufacturer - please refer to the documentation which accompanied your purchase or complete the returns request form and we will advise you of the appropriate process.

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