QED Signature Audio 40 Interconnect


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Signature is QED's flagship range of high quality hifi interconnects, designed to offer the strongest and most enhanced signal transfer possible, guaranteeing an uncompromising sound quality when combined with any two quality hifi components. Signature makes use of newly developed design concepts with the Signature series being engineered to retain a low capacitance. QED have identified this as being a crucial aspect of cable construction when taking pure sound quality in to consideration. 

The Signature series has also been put together with QED's 'Complimentary Conductor' technolog and their 'Analoc Technology', promising an optimised signal integrity with all high frequency details left intact. All QED interconnects and cables feature a lifetime warranty, including the Signature series.

QED Signature Audio brings the very best out of any component within either Hi-Fi or Home Cinema applications.

Using QED Signature Audio interconnects has the advantages that any budding Hi-Fi or Home Cinema enthusiast would expect from a brand that has won numerous awards for their dedication to producing interconnects and cables that give tremendous performance benefits and value for money, regardless of the effort in designing and build quality of workmanship.

Silver plated 99.999% Oxygen Free Copper conductors with polyethylene dielectric gives the Signature Audio the ability to run signals smoothly, with very little interference, Directional Symmetrical Twisted Pair Geometry which features independent dual layer electromagnetic screening for audio signal protection and gold plated Signature RCA plugs that feature eight leaf ground ring, split centre pins and a precision engineered barrel with bonded aluminium shells.

Available in both 0.5m and 1.0m from Hifi Gear.


Conductors Silver Plated 99.999%
Oxygen Free Copper (SPOFC) 
Conductor Dialectric Teflon™ 
Geometry Asymmetrical twisted pair
Shielding SPOFC shield giving 100%
electromagnetic screening
Jacket Zn/Mn ferrite
RCA Plugs Rhodium plated QED ‘Analoc™’
Cryogenically Treated Yes
Capacitance 63pF/m
Loop resistance 0.37uH/m
Dissipation Factor 0.072 Ω/m

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Providing your item is in stock, the order is usually dispatched within 24 hours. Please remember that postage and packing is completely free for orders over £50*. Out of stock items will be dispatched as soon as they become available, out of stock items can take between 4 to 21 days for dispatch.

Deliveries usually take 1-3 working days. The majority of orders are sent via our couriers'; Interlink Express on a next-day-delivery service. Smaller, low value or light-weight items are normally posted using Royal Mail Recorded or Royal Mail Special Delivery.

Once your product has been dispatched, you will be notified via email and sent a unique consignment number, you can use this number at http://www.interlinkexpress.com to check the status of your delivery. If you have provided a mobile telephone number, Interlink's Predict service will notify you by text (and email) of a one-hour delivery window. If the window they suggest is inconvenient, you can change the date of delivery to a later one via text or email.

*We ship free of charge to mainland UK addresses, excluding the Scottish Highlands or 'Out-Of-Reach' Scottish locations. Please consult the post-codes below to see if your location falls within this category. If you are still unsure, please contact us on 01432 354921. We also ship to Northern Ireland, Channel Islands, Scilly Isles, Scottish Isles and Scottish Highlands, however delivery to these locations will incur a charge and can only be sent via a 2-day service.

Shipping CostsMainland UK (Next-Day)Offshore/Out-of-reach (2-day)Northern Ireland, Channel Islands, Isle of Man, Scottish Islands, Scilly IslandsRepublic of Ireland (2-day)
Under £50 Orders £7.50 £12.50 £15.00
Over £50 Orders FREE £19.99 £29.99
Surcharge Orders £50.00 £69.99 £79.99
Saturday Delivery £12.99 N/A N/A
Sunday Delivery £12.99 N/A N/A
Saturday by 12 Delivery £35 N/A N/A


Post codes exempt from the free delivery service include:

Scottish Highlands Post Codes: AB30-38, AB41-42, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH31-41, PH49-50
Islands Post Codes: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Northern Ireland: All BT postcodes
Channel Islands Post Codes: JE, GY
Scilly Isles Post Codes: TR21, TR22, TR23, TR24, TR25

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