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Description
One (1 pcs) 6136 (6AU6WA EF94) RCA NOS NIB Microphone pentode Low Noise TestedCountry of Manufacture: USA Brand: RCA Model: 6AU6 Auction is for one (1 pcs) tube 6136 RCA (6AU6WA EF94) I have more than 40 pcs of 6136 RCA Command series, they are premium quality EF94 6AU6A made in US. They are used in McIntosh & Hallicrafters devices and in many microphone preamps. Tested for low noise and microphonics. Matched pairs available two, just buy two and drop me a message. Registered airmail shipping worldwide from Europe! See also my
Country of Manufacture: USA
Brand: RCA
Model: 6AU6
Auction is for one (1 pcs) tube 6136 RCA (6AU6WA EF94)I have more than 40 pcs of 6136 RCA Command series, they are premium quality EF94 / 6AU6A made in US.
They are used in McIntosh & Hallicrafters devices and in many microphone preamps.
Tested for low noise and microphonics. Matched pairs available two, just buy two and drop me a message.
Registered airmail shipping worldwide from Europe!
See also my other auctions, after almost 35 years of collecting I start to sell part of my stock of more than 250000 tubes, vintage parts and other tube gear.
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4.1 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Convenient and taste good
Flavor Name: A Coconut+Green Tea+Peach
These are so handy to keep in my purse and I like all of the flavors. They really help make my whole mouth feel cleaner, not just my teeth.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
A good gift!
Flavor Name: A Coconut+Green Tea+Peach
The coconut is really good! I gave the other two to my friends who love them both! Perfect for gifting each flavor came individually wrapped and packaged! If you like the lush cosmetics tooth tablets you’ll love these! I got these because I dislike minty tastes
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Tooth whitener
Flavor Name: A Coconut+Green Tea+Peach
I have used the green bottle so far! As soon as you bite into one, it starts to foam up. I let it foam for a few minutes, and then I brush my teeth. It does freshen your breath and I think it's making my teeth whiter! I have not had a chance to try the other flavors yet. The flavor is mild but good! It is fun to use!
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Reviewed in the United States on February 26, 2026
★★★★★ 3
See review
Flavor Name: A Coconut+Green Tea+Peach
These are very interesting. They work very fast like they said. The taste isnt bad so far ive tried the peach and its nice and strong. Only thing id say is its not like brushing your teeth like it claims its more of like a stronger breath mint that foams. Other than that id say its a great mint and product as a mint that you need to spit out haha. I look forward to using them.
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Buy them!!!
Flavor Name: A Coconut+Green Tea+Peach, Flavor Name: A Coconut+Green Tea+Peach
I just tried the peach one and it was really good!! Definitely feels fresh and clean
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Reviewed in the United States on May 18, 2026