


Electro Harmonix 12AX7 Preamp Valve
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Electro Harmonix 12AX7 Preamp ValveThe Electro Harmonix 12AX7EH is a preamp tube that provides high gain with ultra low noise. The tube's detailed, musical tone rivals the most desirable NOS types. Unique spiral filament eliminates the filament to cathode induced hum common on amps that use AC on the filaments. Made in Russia. Product Specs Item Number: 1064 Make: Electro Harmonix Model: 12AX7 Condition: Brand New Categories: parts tubes Made In: Russian Federation MPN: 690 12AX7EH
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4.7 ★★★★★
Based on 1698 reviews
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Product Reviews
★★★★★ 5
Get this If your hot in bed
Color: Champagne, Size: Queen
Very nice and silky.helps keep me cooler.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 4
Cool not cold
Color: Light Gray, Size: Queen
Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 3
It’s ok could be cooler
Color: Light Gray, Size: Queen
Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfort
Color: Champagne, Size: Queen
What a lifesaver, great feel, and awesome cooling feel
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Cool bedding
Color: Champagne, Size: Queen
As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
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