About Us

This website is dedicated to high end audio tube series primarily made in China – Shuguang Treasure (owned and produced by Shuguang Group) and Psvane (aka Pavane) (owned and produced by Psvane Audio Ltd since Nov 2011.)

This website is a joint efforts of Grant Fidelity and Audio For Less (Hong Kong) Ltd. to “be the most reliable source on the internet to provide the Very BEST quality Chinese tubes worldwide“. Tubes are priced according to its quality grade.

We do not aim to be the cheapest, because business general rules are ‘you get what you paid for’.

We aim to be the best in quality, service, honesty and integrity.

We are in business for a decade now and have served thousands of happy tube customers worldwide. 



About Shuguang:

Shuguang is the oldest and largest tube manufacturer in China and worldwide, established in 1958 by engineers educated and trained in the United States in the 1930-1940s. Shuguang’s vacuum tube production accounts for the world’s 60% total tube output nowadays, either under their own brand “Shuguang” or under OEM brands.

Generic Shuguang tubes come in clear glass enclosure. The ‘Shuguang Treasure’  series comes with carbon compound coating inside the tubes making them appearing to be ‘black bottle’. They were released in Dec 2008 to celebrate Shuguang’s 50th anniversary and technology advancement and first brought by Grant Fidelity to worldwide market outside of China by Grant Fidelity. We found the “treasures” for tube lovers!

About Psvane: 

After launching the 50 year anniversary Treasure series in 2008, a team inside Shuguang has been developing new additions to its high end tube line to include large power tubes and small preamp tubes. With venture capital from UK and countless testing by Treasure series’ original design team, a new series called “Psvane” (pronounced as ‘Pavane’ – the brand is created from the inspiration of the 17th century classic music dance) T-series was born in Aug 2010. The Psvane series is a further fine tuning over the Treasure series, and the brand is owned by a separate entity other than Shuguang Group itself. Since Nov 2011, Psvane brand has officially become independent from Shuguang and production has been removed from Shuguang. New Psvane Audio manufacturing facility was acquired from Guiguang Tube Factory and has been expanding over time. The latest tube series from Psvane is called TII series – with grey color carbon coating inside, referred as ‘grey bottle’.

To know who is Psvane and the story between Shuguang Treasure and Psvane brand, read our post:                                                      Who is Psvane?


To understand how we control tube quality and how tube orders are shipped and the warranty policy, please read the following web pages before placing your order:






About www.psvanetube.com website:


This website is jointly created and maintained by Grant Fidelity in Canada and Audio For Less Limited (Hong Kong), a strategic partner of Grant Fidelity for better order fulfillment efficiency from our tube warehouses in Hong Kong to customers worldwide. We own every single tube stored in our Hong Kong tube warehouse and all tubes are screened according to Grant Fidelity quality standard. Our stock in Canada is supplied from Hong Kong warehouse as well. So if your order is shipped from Hong Kong, it is of the same quality as it is shipped from Canada.

Grant Fidelity is the largest reseller of Psvane series vacuum tubes worldwide. We provide GF (Grant Fidelity) Grade A Psvane vacuum tubes and GF-Select grade Shuguang Treasure tubes to consumers and support industry members worldwide. Our tube quality is further selected from factory grade by implementing our own screening criteria right from factory.

This website is to provide official information on the Psvane (Pavane) and Treasure tubes based on our first hand experience. This is also a place for you to read feedback from past customers and professional reviewers – reviews are categorized on the web page right side colume by tube models.

Please note that when you place an order on this website, your payment is made to Audio For Less Ltd (Hong Kong), a strategic partner of Grant Fidelity out of Hong Kong to provide worldwide order fulfillment. This is necessary in order for tubes clearing customs for export from China. No sales tax is added at the time of purchase as orders shipped from Hong Kong will be taxed at the time of importation at destination country. Such taxes are usually collected at the time of delivery by the courier directly from buyers. Orders from Canadian buyers, if shipped from Grant Fidelity warehouse in Canada will be required to pay GST/HST before shipping. Read more about in’s and out’s of international customs brokerage.

Grant Fidelity will provide support and warranty for all customers. Please purchase with absolute confidence. Any questions please also direct to Grant Fidelity through the contact page.

If you come to this site without knowing who is Grant Fidelity -please do visit www.grantfidelity.com for more information and read our past customers’ feedback. Grant Fidelity specializes in distributing high end audio with honesty and integrity.

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