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Description
Siemens selenium rectifier B300C70 300V / 70mA Used, tested OK, DIY tube audioUsed, tested 100%, Siemens selenium rectifier B300C70 300V 70mA perfect for tube audio SE mono blocks, Made in West Germany by Siemens back in 60s, without original boxes, dismantled from professional Siemens devices. Auction is for one (1) pcs. If you want difference to modern silicone diode rectifiers try this vintage selenium rectifier, NOS, hard to find.
Used, tested 100%, Siemens selenium rectifier B300C70 300V / 70mA perfect for tube audio SE mono blocks, Made in West Germany by Siemens back in 60s, without original boxes, dismantled from professional Siemens devices.
Auction is for one (1) pcs.
If you want difference to modern silicone diode rectifiers try this vintage selenium rectifier, NOS, hard to find.
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4.5 ★★★★★
Based on 1392 reviews
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Product Reviews
★★★★★ 5
Fast shipping, items as advertised.
Size: 11SMax-24Pack
Perfect fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Works for my G30 Verge
Size: 11SMax-24Pack
Fit my G30 Verge. Works well and brought it back to life. Great value for the money!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
★★★★★ 5
Fits my Eufy
Size: 11SMax-24Pack
Parts fit my Eufy like they should. The side brush has held up nicely.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Bang for buck
Size: 11SMax-24Pack
You get a lot for the price. And it fits. Recommended. It is a little noisier than the original bit functions are the same
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Good Replacement Set
Style: 19 Pack
Good replacement set for the price. Parts are basically like the originals and are easily installed for a perfect fit for the 25C.
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Reviewed in the United States on July 11, 2025
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