Directly heated cathode medium power triode, parameters and dimensions refer to 300B, for Class A1 amplification. It is suitable for 10W output power in audio amplifier. Similar to 300B, 300BN and WE300B, they can be used interchangeably.
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Shipping via China Post air mail or HK Post air mail usually takes 10-30 business days with a tracking number.
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Standard Return Policy:
If the item shows up defective or damaged, please email us immediately.
ONE-YEAR WARRANTY!!!
Brand new replacement with 14 days.
Defective situation must be reported to seller within 14 days upon receipt.
Returned item should be in its original box with all packing materials and shipped to us via a traceable shipping way.
We carefully inspect returned items upon receipt before issuance of refunds or exchanges.
Please allow up to 10 business days for us to process your return.
The customer needs to pay for the shipping costs for returning.
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We ship goods to worldwide. All the packages will come with a tracking number.
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