Shuguang 211 Power Vacuum Tube

1 Review
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SKU: SH-211
USD $‎69.95
Each
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The Chinese (Sino) made Shuguang 211 vacuum tube is a directly heated power triode with a carbon anode capable of up to 30 watts in single ended operation. This behemoth was designed as a transmitting tube, and is for those who require radio station power levels and jaw dropping musicality in their listening room. It is a replacement for VT4-C power tube types.

Other Shuguang tubes        211 Types

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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Not an RCA, or a GE, but still functional for a lot less money.

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I was originally not using these for audio, but to bring a US Army transmitter back to operational status after 75 years. It also operates on the 175 meter band, so keying it up would not be prudent or legal. The old transmitter had a new tank built for it in the 80 meter band, and was brought up in AM mode for an output of 75 watts. The next logical step was make a small hi fi, and compare these to the 1942 date code RCAs. Like most Chinese tubes, these were a bit grainy and airy sounding, but after having been used in an old transmitter the graininess was not nearly as pronounced, and they actually sounded pretty darn nice. I'd even go as far as to say they sounded "different rather than markedly inferior" to the RCA or GE 211. I preferred sound of the RCA, but maybe that is price justification psychology at work. Shuguang did a pretty nice job on these, and I will be using some more of them in another US Army Air Force radio from the era of the D Day invasion of France. The dynamotor is the hardest part to get working reliably on those old radios. Without the dynamotor the radio won't work properly, but I have good dynamotors so we can effectively judge how well these 211s actually function in a transmitter. They do perform to military spec, and no problems as of yet. $70? Compared to $1700? 5 Stars! What can I say. No way is the old RCA 211 at $1700-$4000 per valve, Sorry, but no. I'll go back into MOSFET designing, and get really good results.

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