Atlas Equator Achromatic X 1 RCA to 2 RCA Subwoofer Cable

Item code: Equator Achromatic X 1:2 Sub

Atlas only uses the purist quality copper in its products with the Equator Integra being no exception. Utilising Atlas’ Ohno Continuous Cast (OCC) 5N (99.999% pure – the highest purity available) copper technology, each strand is ‘p…
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SPEAKER CABLES:

A quantity of 2 means you will receive a pair of speaker cables e.g. for your front left and front right speakers. By entering a quantity of 1, you will get a cable for a single speaker e.g. centre speaker and this option also enables you to vary the length (and termination) of your cable for each speaker.

OTHER CABLES:

A quantity of 1 means you will receive a single cable in the case of aerial, satellite, subwoofer, digital coaxial & optical cables and a pair of cables in the case of 2 rca to 2 rca analogue audio cables.

NON-CABLE PRODUCTS:

A quantity of 1 means you will receive 1 of the specified products.

£182.08 ex. VAT
Available — built to order, dispatches in 24 hours
Delivery: Royal Mail Tracked 24 FREE  ·  DPD Next Day from £8.95  ·  DPD Saturday from £12.95
Order before 4pm (Mon–Fri) for same-day dispatch
Our promise: 60-day returns · Free burn-in · Built in our UK workshop · 5 Years warranty · Expert support on every order
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Atlas Equator Achromatic 1 RCA to 2 RCA Subwoofer Cable

 

Atlas only uses the purist quality copper in its products with the Equator Integra being no exception. Utilising Atlas’ Ohno Continuous Cast (OCC) 5N (99.999% pure – the highest purity available) copper technology, each strand is ‘pulled’ from a single copper crystal, enabling electrical signals to flow with the least deletions. A co-ax design, Equator Integra uses 60 stands of OCC copper to create its signal conductor, which is enclosed in gas-foamed PEF (Foamed Polyethylene), which delivers a more inert and consistent dielectric.

To prevent any RFI (Radio Frequency Interference), which is all too common in today’s homes thanks to the proliferation of WiFi and Bluetooth communications, the dielectric is encased within a superbly constructed double screen to provide maximum resistance to RFI, which can raise noise levels in a poorly shielded cable. The cable is finished with a pearl white outer jacket.

The Equator Achromatic is fitted with Atlas’ proprietary Achromatic RCA plugs. The low mass Integra connector features a solder-free, cold-weld connection, optimised to create a coherent, continuous signal path. Each Achromatic plug features gold-plated conjugate brackets, which spring open on insertion and wipe clean the signal path. To maintain a clean signal path, simply remove and re-insert them periodically.

As with all of Atlas’ cables, Equator Achromatic is hand-built at the company’s factory in Scotland. This time consuming yet necessary process means that all Atlas Cables achieve the very highest levels of finish and is why they are guaranteed for five years from point of purchase.

The result is a beautifully balanced interconnect that offers a large three-dimensional soundstage and fine levels of resolution without any sense of exaggerated ‘detail’. Ultimately, the Atlas Equator Achromatic is designed for owners of systems who wish to retain the signature sound yet aspire to unveil more detail, dynamics and openness that would only normally be achieved by changing expensive system components.

 

Features:

  • Achromatic RCA Plugs
  • OCC Conductors
  • PEF Dielectric
  • Co-ax Construction

Achromatic Plugs

Atlas’s expert electro-mechanical knowledge has led to the innovation of the next generation of RCA plugs. Known as the ‘Atlas Achromatic RCA plug’, Atlas has focused on improving both performance and appearance to create a higher performance starting point for their RCA cables as well as eliminating variability in performance. This has been achieved by refocusing on materials and the assembly processes.

Atlas has made 4 key changes with the Achromatic RCA plug. Firstly, the barrel of the Achromatic plug features a high stability ABS material. This is strong, stable and of superlative surface quality.

There is also an improvement to the Achromatic plug’s contact geometry, aiding the contact properties of the plug and the self-cleaning wiping action to ensure contacts are in optimal condition and to maximise signal transmission.

The third change Atlas made was around the rifling of the RCA pin. This improvement self-aligns the conductors during the cold weld processing, ensuring a superior stable connection.

Finally, there is a reduction in the overall mass of the RCA plug by 8% which has shown to improve signal transmission.

The above changes mean a solder-free, low mass, self-cleaning, recyclable RCA plug with a non-conductive body.

OCC Copper

The Ohno continuous casting method re-heats the extrusion as the molten copper is forced out of the mould and very slowly and gradually draws the grain or crystal down the conductor''s length, creating a ‘single crystal structure.’ Actually, because no copper is 100% pure, there will always be a few boundaries produced by impurities. The frequency of boundaries created are quite insignificant. A typical crystal in a copper conductor drawn to 0.3 mm diam. using the OCC process is 125.00 metres long! The benefits are obvious, with almost no crystal boundaries, the audio signal is no longer impeded down the copper wire and more information and detail is delivered faithfully to the receiving equipment. Atlas OCC Copper Design Process

Copper Purity Comparison (0.3mm Diameter)

TPC OFC OCC
Purity >99.9% >99.99% >99.999%
Specific Gravity 8.75 8.926 8.938
Gas Impurities (ppm)
O2 200~500 <10 <5
H2 <0.5 <0.5 <0.3
Average Crystal Size (Metre) 0.007 0.02 125.00
Crystals Per Metre 150 50 0.008

PEF Dielectric

PVC (Poly Vinyl Chloride) is cheap to produce and, as such, is the most commonly used insulation in AV cables. However, PVC is the worst quality insulation a Hi-Fi or AV signal can encounter as its high loss causes a significant reduction in signal velocity. PVC is better suited to power cables and should be avoided in Hi-Fi and AV signal cables. Other dielectrics in common use are Polyethylene, Polypropylene and Polytetrafluoride Epoxy (better known as PTFE (Teflon™) or Teflon,) and the new and unique Atlas (PTFE). PEF (Foamed Polyethylene). The foaming process uses a blowing agent, of which there are two types. Atlas use the gas-foamed method which creates a more inert, consistent and higher quality product. The table below shows the properties of a selection of dielectrics. Though not used as a dielectric in Atlas' cables, PVC is included for comparison purposes.

Dielectric Material Comparison (0.3mm Diameter)
Property Polyvinyl Chloride (PVC) Foamed Polyethylene (PEF) Polypropylene (P.P) Teflon (FEP or PTFE) PTFE
Dielectric Constant (@ 50 -106Hz) 4-8 2.3 2.25 2.1 1.3
Dielectric Strength (kV mm-1) 23-30 30-50 30-50 20-25 N/A
Loss Tangent (% @ 50 - 106Hz) 8-15 0.02-0.05 0.02-0.06 (@ 106Hz) 0.02-0.07 N/A
Volume Resistivity (Ohms.cm @ 20°C) 1012-15 >1017 6.5x1014 >1016 N/A
Tensile Strength (Kg mm-2) 1.0-2.5 1.0-2.0 3.0-4.0 1.9-2.2 1.0
Melting Point (°C) -130 112-120 155-160 275 275
Max. Continuous Operating Temp. (°C) 60 75 90 200 260
Min. Operating Temp. (°C) -15 to -40 <-60 -5 to -45 <-60 -250

Co-ax construction

Central conductor (signal path) surrounded by dielectric material encased within a circular conducting screen which acts as the signal return path.

 

Specification:

  • Construction : Co-ax (Double Screened) 
  • Material :OCC 
  • Dielectric : PEF (foamed PE) 
  • Screen : OFC, 95% (double OFC braid) 
  • Capacitance : 53.27 pF/m 
  • Inductance : 0.40 µH/m 
  • Resistance : 0.027 Ohms/m 
  • Impedance : 78.25 Ohms at (1MHz) 
  • Outside Diameter : 8.5mm

 

About Atlas Cables Made in United Kingdom

Atlas Cables are a major producer of interconnects and cables in the United Kingdom of Great Britain. All products are researched, developed and most are assembled in the Atlas purpose built factory in Scotland.

Many of these products are unique and use advanced techniques of production or manufacture in order to bring to the user the very finest quality products. With each new model we continue to push the boundaries of reliability and performance. It's little wonder then, that Atlas Cables have had so many mile-stone advances in the past and that Atlas Cables have secured so many awards in comparative tests against other products.

About Atlas Cables

Scottish cable maker that designs and builds its own conductors, connectors and cables rather than assembling bought-in parts.

Atlas researches, designs and produces its cables in Scotland, with a handful of exceptions. Many cable brands assemble off-the-shelf components, but Atlas specifies the conductors, insulation and terminations itself and tests the result in its own listening room. It offers a five-year guarantee on its cables.

Read more about Atlas Show less

The plugs are Atlas designs too

Atlas designs its own RCA plugs. The Achromatic and Ultra RCAs are built for low mass and high bandwidth, and the newer Metik connectors were developed for personal audio. Designing the connectors in house means Atlas is not limited to what an outside supplier already sells.

Three performance levels, with named ranges in each

The catalogue is arranged in three performance levels. Upgrade covers Element and Equator, Aspire covers Hyper and Ailsa, and High End covers Mavros, Arran, Eos and Zeno. You can choose the level that suits the rest of your system, then move up later without changing brand.

Custom options and a repair service

Atlas lists luxe and speaker termination options, so you can specify a cable to suit the equipment at each end. It also repairs, customises and upgrades its cables through a dedicated service, which means you can bring an older cable up to date instead of replacing it.

Why we stock Atlas

Atlas run pure copper conductors through most of the range rather than silver or silver plating. That gives a warmer, more forgiving balance than the silver-plated cables we sell. If your system is already leaning bright, Atlas is usually where we point you first. Hand-built in Scotland, and we have sold them since 2008.

Shop all Atlas Cables →

Specification:

  • Construction : Co-ax (Double Screened) 
  • Material :OCC 
  • Dielectric : PEF (foamed PE) 
  • Screen : OFC, 95% (double OFC braid) 
  • Capacitance : 53.27 pF/m 
  • Inductance : 0.40 µH/m 
  • Resistance : 0.027 Ohms/m 
  • Impedance : 78.25 Ohms at (1MHz) 
  • Outside Diameter : 8.5mm

We use Royal Mail 1st Class services for our Standard Delivery.

Orders received before 4.30 pm Monday to Friday are usually dispatched the same day by FIRST CLASS post (unless premium postal or timed courier services are selected), subject to stock availability. This does not apply to custom-length cables and speaker cables as these require a longer timescale to terminate. This also excludes all cables selected for the burn-in service. Please note, we do not process orders on national holidays in the UK. Over 98% of our orders are delivered the next working day including Saturdays.

 

Standard delivery is usually within 2 working days, although 98% of all orders are delivered the next working day including Saturdays. In extreme cases, such as delivery to the Highlands and Islands, this may take 3 days.

 

All items are fully insured and come with an invoice from Future Shop. We use the Royal Mail for delivery of small packages and DPD Local or DHL for items that weigh over 2KG. Items over 2KG are fully insured and will usually be delivered within 48 hours of placing your order subject to stock availability. For international orders, we use FedEx or DHL services where customers have selected this option.

 

 

Please note, special orders for non-standard cable lengths may be subject to longer deliver time-scales. This may vary from manufacturer to manufacturer.

 

We offer 'Free delivery on orders over £99' subject to the following terms & conditions:

  • Applies only to orders with £99 or more of items (including VAT at the UK rate), at Future Shop
  • Free Delivery on orders over £99 utilises Royal Mail First Class postal service for items weighing under 2KG. For items weighing over 2KG, we use DPD or DHL next working day services which deliver from 9.00am to 6pm within mainland UK (excludes Royal Mail Special Delivery Services and timed next day delivery services by DPD or DHL).
  • Applies only to deliveries to addresses within mainland UK and Northern Ireland addresses. Applies only to orders that are to be delivered to a single Mainland UK delivery address.
  • You will not be eligible for free delivery on your order if any items are cancelled or returned for a refund, bringing the total order amount below £99. Where items are returned, the refund due will be the cost of the item less any postage costs.
  • We reserve the right to change or discontinue 'Free delivery on orders over £99 promotion at any time.
  • FREE DELIVERY FOR ORDERS OVER £99 OFFER DOES NOT APPLY TO TRADE CUSTOMERS.

 

UK Postal & Delivery Charges - FIRST CLASS

Free UK delivery on all orders over £99*

Weight Price (FIRST CLASS UK POSTAGE)
0g - 1000g £3.95
1000g - 1400g £4.95
1400g - 1800g £5.95
1800g - 2000g £6.95
2000g - 3000g £8.95


* Free Delivery on orders over £99 utilises Royal Mail First Class postal service for items weighing under 2KG. For items weighing over 2KG, we use DPD or DHL next working day services which deliver from 9.00am to 6pm within mainland UK.

Free Delivery for orders over £99 excludes Royal Mail Special Delivery Services and timed next day delivery services by DPD or DHL.

 

Special Delivery UK - Guaranteed Next Working Day

We have 99.9% of the UK covered With Royal Mail Next Day Special Delivery. We guarantee delivery to most UK addresses by 1pm the next working day. This includes Northern Ireland, Jersey and Guernsey. Some places take longer to deliver to but we still guarantee delivery within three working days by 5.30 PM.

 

Please note, Royal Mail Special Delivery for next working day may not be possible where non-standard cable lengths are ordered. If this is the case, the item will be shipped via The Royal Mail Special Delivery service as soon as the cable is custom made.

 

For orders weighing over 2KG, we reserve the right to ship items using Next Day Pre-Noon Courier Services where Royal Mail Special Delivery option has been selected.

 

Channel Islands & Northern Ireland

We accept orders from all Channel Islands including Alderney, Jersey, Guernsey and Sark. Unless you select a premium service, Items weighing under 2KG are delivered using our standard UK delivery option above. For items weighing over 2KG, a surcharge may be applied for all deliveries to the Channel Islands as well as Northern Ireland.

 

European Countries

Deliveries to EU member states are not subject to 20% VAT after December 31st 2020 and therefore the 20% VAT on items is automatically deducted when you log-in, register or proceed to place an order.

 

The customer will be liable for the VAT at the local VAT rate, duty on the import and the brokerage service fee if applicable. This may need to be paid in advance to your local Customs &amp; Excise office or the delivery company before your order can be delivered.

 

We offer the following shipping services:

  • Royal Mail First Class International Airmail Services - Items are usually delivered within 3 to 5 working days
  • Royal Mail Standard International Mail Services - Items are usually delivered within 7-10 working days
  • DHL Express International - Items are usually delivered within 24 to 48 hours. DHL orders must be received by 3:30pm for next day service to most destinations in Europe
  • Federal Express International Priority - Items are usually delivered within 24 to 48 hours. FedEx orders must be received by 3.00pm for next day service to most destinations in Europe
  • Federal Express International Economy - Item are usually delivered within 48 to 72 hours

We reserve the right to change your shipping method without notification if you select a method that we cannot use for your shipment (for instance, we cannot ship via postal services for items over 2 Kg to International destinations). If we need to change your shipping method, we will choose the least expensive shipping method for your order.

 

Worldwide - Excluding UK & Europe

Deliveries outside of the UK are not subject to 20% VAT and so the 20% tax on items is automatically deducted when you log-in, register or proceed to place an order.

 

If applicable, the customer will be liable for the taxes at the local tax rate, duty on the import and the brokerage service fee. This may need to be paid in advance to your local Customs &amp; Excise office or the delivery company before your order can be delivered.

 

We offer the following shipping services:

  • Royal Mail First Class International Airmail Services - Items are usually delivered within 7 to 10 working days
  • Royal Mail Standard International Mail Services - Items are usually delivered within 15 working days
  • DHL Express International - Items are usually delivered within 24 to 48 hours. DHL orders must be received by 3:30pm for next day service to most destinations in Europe
  • Federal Express International Priority - Items are usually delivered within 48 hours. FedEx orders must be received by 3.00pm in order to ship items the same day, subject to stock availability
  • Where the actual weight of the package significantly exceeds the shipping cost charged on orders, we may write to you for an additional shipping charge. For larger orders, items may be shipped in multiple packets at our discretion

We reserve the right to change your shipping method without notification if you select a method that we cannot use for your shipment (for instance, we cannot ship via postal services for items over 2 Kg to International destinations). If we need to change your shipping method, we will choose the least expensive shipping method for your order.

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Atlas Equator Achromatic X 1 RCA to 2 RCA Subwoofer Cable

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Frequently Asked Questions

RCA cables carry unbalanced signals, while XLR cables carry balanced signals that reject noise and interference. XLR is preferred for longer runs and professional-grade audio systems.
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Yes. Longer cables can pick up interference and cause signal loss. Thicker conductors and proper shielding help maintain clarity over longer runs.
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Yes. Well-designed interconnects with quality materials and shielding can improve clarity, reduce noise, and deliver more natural sound reproduction.
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Shielding protects the signal from electromagnetic and radio frequency interference, ensuring your audio remains clean and free from hum or buzz.
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If you have a system which accepts both XLRs and RCAs, we would typically recommend using the XLR connections, as they offer a lower noise floor. However, if you system is pre-dominantly RCAs, then we would recommend sticking with RCAs throughout your system, rather than mixing and matching.
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Yes. Build quality, conductor material, shielding, and connector quality can influence noise levels, clarity, and overall tonal balance, especially in resolving systems.
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Use the shortest practical length to minimise signal loss and interference. Longer runs benefit from better shielding and low‑capacitance designs.
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Yes, but turntables require low‑capacitance phono cables designed for moving‑magnet or moving‑coil cartridges. Standard line‑level RCA cables are not always suitable.
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XLR - XLR is a specific balanced 3 pin connection for use on suitably equipped system components ; it is generally considered to be of a higher quality compared to standard unbalanced RCA connections , especially over longer distances
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Atlas Equator Achromatic X 1 RCA to 2 RCA Subwoofer Cable

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