QED Reference Optical Quartz Cable

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Standard Items (DPD)

Usually bookshelf speakers*

Standard Deliveries Order by 3pm Mon-Fri	Free 2 weekday delivery
Express Deliveries Order by 3pm Mon-Fri	Next weekday pre 10.30am - £20 for up to 2 boxes + £5 per additional box Next weekday pre 12.30pm - £15 for up to 2 boxes + £5 per additional box
Weekend Deliveries Order by 3pm Friday	£15 for the first box + £3 per additional box
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	2 weekday remote service - £20 for first 2 items + £9 per additional box 2 to 5 weekday off-shore service - £30 for first 2 items + £9 per additional box

Medium Sized Items (FEDEX)

Usually TVs under 60" or £1000, and most floorstanding speakers*

Standard Deliveries Order by 3pm Mon-Fri	Free 2 weekday delivery
Express Deliveries Order by 3pm Mon-Fri	Next weekday delivery - £20
Weekend Deliveries Order by 3pm Friday	✗
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	Unfortunately, delivery of these product types is not available to remote locations

Large or Heavy Items (BJS)

Usually TVs over 60" or £1000, and heavy separates over 35kg*

Standard Deliveries Order by 3pm Mon-Fri	Free 2-3 weekday, 2-man delivery
Express Deliveries Order by 3pm Mon-Fri	✗
Weekend Deliveries Order by 3pm Friday	✗
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	Unfortunately, delivery of these product types is not available to remote locations

Pallet Sized Items (PALLETFORCE)

Usually large/high-end floorstanding speakers or subs*

Standard Deliveries Order by 3pm Mon-Fri	2 weekday kerbside delivery - £50 per item
Express Deliveries Order by 3pm Mon-Fri	✗
Weekend Deliveries Order by 3pm Friday	✗
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	Unfortunately, delivery of these product types is not available to remote locations

*Not exclusive to only these product types. Product value, weight, and fragility can influence the courier service used.

	Standard Items* DPD	Medium Sized Items* FEDEX or DPD Freight	Large or Heavy Items* BJS (2-man delivery)	Pallet Sized Items* PALLETFORE
Standard Deliveries Order by 3pm Mon-Fri	Free 2 weekday delivery	Free 2 weekday delivery	Free 3-5 weekday, 2-man delivery	2 weekday kerbside delivery - £50 per item
Express Deliveries Order by 3pm Mon-Fri	Next Weekday or Choose a Day Standard - £10 for the first box + £3 per additional box Next Weekday or Choose a Day Pre-12pm Noon - £15 for the first box + £3 per additional box	Next weekday delivery - £20	✕	✕
Weekend Deliveries Order by 3pm Friday	£15 for the first box + £3 per additional box	✕	✕	✕
Remote & Off-Shore Region Deliveries Order by 3pm Mon-Fri	2 weekday remote service - £20 for first 2 boxes + £9 per additional box 2 to 5 weekday off-shore service - £30 for first 2 boxes + £9 per additional box	Unfortunately, delivery of these product types is not available to remote locations	Unfortunately, delivery of these product types is not available to remote locations	Unfortunately, delivery of these product types is not available to remote locations

*See below most common product types for each delivery service, this is not exclusive to only these product types. Product value, weight, and fragility can influence the courier service used.

DPD: Usually Bookshelf Speakers
FEDEX: Usually TVs under 60" or £1000, and most floorstanding speakers
BJS: Usually TVs over 60" or £1000, and heavy separates over 35kg
PALLETFORCE: Usually large/high-end floorstanding speakers or subs

QED's superior Toslink Optical digital audio interconnect cable made with real glass

Reference Optical Quartz

QED's superior Toslink Optical digital audio interconnect cable made with real glass.

Reference Optical Quartz is the first of its kind, consisting of 210 separate boro-silicate glass fibres. The cable allows you to experience stunning sound when connecting DACs, TV's, CD players and Blu-Ray players to amplifiers or receivers because it has a much higher bandwidth and only 1/10th of the attenuation of traditional acrylic fibres. Reference Optical Quartz vastly exceeds the demands for high definition multi-channel digital audio with a bandwidth of over 150MHz which is totally unaffected by bending the cable.

Glasscore Technology
QED's new Glasscore™ technology employs multiple fibre bundles of ultra-fine boro-silicate glass optical fibres (GOF) of no more than 50um each to make up the 1 mm diameter necessary to conform to the Toslink standard connectors. Because the fibres are so small the different paths taken by the light rays are similar in length virtually eliminating the timing error and introducing less distortion and jitter. This has the effect of increasing bandwidth and the accuracy of the data transmission.

Stepped Refractive Index
The quartz fibres are coated with a cladding of low Refractive Index to guide the light signal.

Over 150Mhz Bandwidth
This vastly exceeds the demands for high definition multi-channel HD digital audio. In contrast to conventional acrylic glass optical cables quartz glass cables can deliver signals up to and including 24bit/192kHz with very low jitter. Reference Optical Quartz can provide a much higher bandwidth than a single acrylic glass fibre with 1/10th of the attenuation.

Ultra Low Jitter / Ultra Low Loss
QED have calculated that jitter (distortions caused by timing differences between the different light paths) in conventional optical cables could typically reach up to 145ps. In Reference Optical Quartz, timing errors are virtually eliminated, introducing less distortion, jitter and ultra low loss <0.03 dB/m.

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QED Reference Optical Quartz Cable

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Reference Optical Quartz

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