Kronos AV
Kronos AV
Golden Dragon
The GOLDEN DRAGON tube range is manufactured and selected for high fidelity and reality. Golden Dragon tubes are recommended and used worldwide in the Hi-Fi industry. More than 25 years of development have gone in to the evolution of the range, with the re-introduction of many famous types. For the last three years investment has been focused in developing tubes made to the British 'Trustworthy' standard.

Golden Dragon 6550C Premium Valves
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  • Regular price £104.99
  • Available Worldwide Shipping

Sold in Pairs

The 6550C Premium is a high frequency beam power tetrode intended for ultra linear audio frequency amplification service. It was originally intended as a low-cost power tube capable of high wattage levels in push-pull pairings. The Golden Dragon 6550C is manufactured by JSC Svetlana, St. Petersburg, Russia, before being tested and matched at the PM Valve labs.


We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.

Express Deliveries

Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around. 

Standard Deliveries

Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person. 

If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!


Delivery is FREE on all orders over £50. In order to offer FREE delivery to UK customers, we use several premium couriers to ensure your delivery arrives safe.

Most large orders (over 2kg) ship using DPD or DHL courier and smaller orders (under 2kg) by Royal Mail signed for services.

The most appropriate courier will be chosen for the items ordered to ensure the quickest possible delivery.

We can offer very generous trade in offers across the majority of our product range. 

Why not ask and see how much you HiFi is worth!

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If you have any question, please feel free to call us on 03435236169 or email