Sophia Electric™ 845 MK3 Carbon Plate Tube -- RCA 845 direct replacement

RCA format: filament voltage: 10V, filament current: 3.2A


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Option 1: $799.99 per premium matched pair with one year warranty.
Option 2: $699.99 per premium matched pair with 30 days warranty.

Sophia Electric 845 MK3

Comments from end users who tried the pre-production samples: Sophia Electric MK3 845 tubes are at least as good as vintage RCA 845 tubes

For U.S. domestic shipment, we use USPS priority mail with insurance -- $20 for the first pair. Express shipping is also available at higher shipping cost.
For international shipment, we either use DHL or USPS express. Please email us your country and city, so we can find out the shipping cost for you.

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