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The "Green" power supply described on the product pages for use with Graham Slee budget stages or as entry level option for the flagship products, is a switched mode technology plug-top design.
It complies with EU Eco-design requirements on external power supplies (EPS), as well as many other carbon reduction laws around the world, including Californian CEC. It also complies with safety laws including UL, cUL and CCC.
The power supply itself does not contribute any audio properties - it is the modifications made to our range of products that has made it possible to successfully use low carbon switched-mode power.
Our investigations, which started in 2006, into making highly sensitive audio circuits successfully work on switched-mode power have led to a greater understanding on how to obtain a great sound from our phono stage preamps and headphone amplifiers. Even our highly sensitive moving coil phono stage preamps, the Gram Amp 2 Fanfare, the Reflex and the Revelation C, and the Elevator EXP flat gain moving coil step-up amplifier work without problem and deliver the sort of performance the Graham Slee name is famous for.
As with all our products, the owner requiring a no compromise all-out musical performance, can upgrade to the Graham Slee PSU1 power supply, although, because it is linear, it is not as efficient and therefore not as carbon friendly.
The "Green" power supply is self adjusting to mains voltages around the world and supplied with the appropriate plug-head to fit UK, European, Australian or US power outlets.
Its efficiency is due to it operating at an ultrasonic frequency instead of the mains frequency. This means it can use a tiny transformer for a similar amount of power as a much larger conventional transformer.
They produce a very quiet whining noise instead of the buzz you hear close up to a conventional transformer, which although won't be heard normally, may be sensed in a very silent room. However, those seeking a no compromise power supply, will choose our PSU1.
The "Green" power supply along with some of our earlier linear plug-top power supplies are the only products in our range not manufactured by us.
Graham Slee
IEC Certificate (iec-certificate.pdf, 272 Kb) [Download]
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Delivery Options;
|
Weight |
Price |
|
0g - 400g |
£1.00 |
|
401g - 900g |
£2.95 |
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901g - 1.5kgs |
£4.95 |
|
1.501kgs - 2kgs |
£9.95 |
Custom Cable use Royal Mail First Class delivery on all items below 2.0kg and are normally delivered to mainland UK within 2 days, however channel islands may take up to 3 days. We endeavor to dispatch on the same day , subject to stock availability. Delivery may be delayed if the order is a special order or has specific requirements.
For items that you require urgent delivery on, then you can select Royal Mail Special Delivery which aims to reach you the next day* (excluding UK offshore and the Highlands of Scotland) A signature will be required on delivery when using Royal Mail Special Delivery.
Please be aware that some orders may be subject to extended lead times from the manufacturer leading to slightly longer delivery times. However we will endeavour to keep you informed of the status of your purchase.
Custom-Cable specialise in custom terminated cables and leads that are configured to suit the customer's needs. This is classed as a custom order item and as such certain orders may have an increased lead time.
*Please note that next day delivery is only available Monday to Thursday.
For all of our orders over 2.0kg we use Parcel Force express24 which is a guaranteed next day service to zones 1 and 3 and guaranteed within 3 working days to zone 2. If you wish to see what zone you are listed in please click here.
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Weight |
Price |
| 2.0kgs - 5.0kgs |
£17.50 |
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5.001kgs - 10.0kgs |
£24.50 |
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10.001kgs - 15.0kgs |
£28.50 |
|
15.001kgs - 20.0kgs |
£31.50 |
|
20.001kgs - 30.0kgs |
£41.50 |
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Over 30kgs |
Contact Us for a quote |
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International Delivery
Custom Cable will use Royal Mail International Airmail worldwide for all items less than 2.0kgs. Items more than 2.0kgs can be sent using Parcel Force Worldwide, UPS or DHL. When processing your order we select which courier will get the order to you the fastest. If you wish to specify which courier to use then please let us know is the "Notes" section when checking out. For countries outside of the EU you may be required to pay state taxes or import duties. Unfortunately we are unable to cover these costs, so please be aware that you may be required to pay these.
For countries inside the EU delivery times are estimated between 3-7 working days and slightly longer for all countries outside of the EU.
Customers in certain countries are also able to choose Royal Mail International Airsure. Airsure® is generally a day faster than standard Airmail and can be tracked online. Which means the aim is:
- 2 working days after posting to Western Europe
- 4 working days after posting to Eastern Europe and postal subsidiaries (Islands and Principalities)
- 6 working days after posting to the rest of the world
The above standards are monitored by the independent and impartial International Post Corporation to ensure reliable and consistent delivery, which is why Airsure® is only available to selected countries.
Please note that Airsure® is an upmarket mail, not a courier service. This means we cannot provide a guaranteed or certain delivery time, nor can we offer compensation for delays or missing Track & Trace information.Prices for International Delivery are available at checkout and are specific for the delivery destination, please see here after adding your product to your cart.
VAT Free Countries
All EU member states will be subject to 20.0% VAT and countries outside of the EU will have the VAT amount automatically deducted at checkout if your delivery address is outside of the European Union or you can provide a valid business VAT number.
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Business 2 Business Purchases
If you are purchasing for a business within the European Union then you are able to purchase from us without VAT. If you have a registered VAT number, please enter this when checking out and the VAT content will be automatically deducted. We automatically check your VAT number against the real time EU VIES database http://ec.europa.eu.
Case 1:
Business location: England (EU country)
If you are also from England you will be required to pay VAT.
Case 2:
Business Location: England (EU country)
If you are from France (EU country) - If you do not have an EU intra community number
then you will be required to pay VAT
Case 3:
Business Location : England (EU country)
If you are from France (EU country) - If you have a valid EU intra community number
you will NOT be required to pay VAT.
Case 4:
Business Location : England (EU country)
If you are outside of the EU, this is considered as an import/export and you may be subject to other taxes (customs) but you will not be required to pay VAT.