Shuguang 300BC / Solid Graphite Plate Power Vacuum Tube (Matched)

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Availability: Usually ships within 24 hours.

USD $‎109.95 USD $‎99.95
1 +USD $‎109.95
1 – 24USD $‎99.95

Need matched power tubes? Don't worry! Price includes matching in any quantity you need for no extra charge. Need a matched pair? Just order "2" tubes. For a matched quad order "4" tubes. Matched sextets and octets are available as well.

The Chinese (Sino) made Shuguang 300BC vacuum tube has good clarity, impressive bass, and good dynamics. It’s a little to the warmer side of neutral, and has both a deep and wide soundstage.

The Shuguang 300BC power tube has a unique solid high-purity graphite anode not seen in any other 300B. The grid wires are gold-plated and it sports a ceramic base with gold pins.

Be sure to read the great 300B tube review and comparison from the Wall of Sound.

Other Shuguang tubes       300B Tube Types

Additional Information and Downloads

300B Tube Reviews

Warranty Information and Return Policy

Warranty Period: 3 months

All our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)

If you receive a tube that does not perform to the manufacturer's specifications, please do the following:

- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.

Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.

We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.

These guidelines may be updated without notice.

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