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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
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Description
7543 RCA SQ 6AU6A EF94 Microphone pentode Low Noise TestedBrand: RCA Type: EF94 6AU6 Model: 7543 Country of Manufacture: USA Country Region of Manufacture: United States Auction is for one tube pcs ( 1 pcs ) of rare NOS NIB 7543 RCA. This is SQ version of 6AU6 EF94, upgraded for low noise and no microphonics. If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I
Brand: RCA
Type: EF94 6AU6
Model: 7543
Country of Manufacture: USA
Country/Region of Manufacture: United States
Auction is for one tube pcs ( 1 pcs ) of rare NOS NIB 7543 RCA.This is SQ version of 6AU6 / EF94, upgraded for low noise and no microphonics.
If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I really do care about your satisfaction and I’ll do my best to solve any kind of problem.
I collect tubes and tube gear for more then 35 years and I start to sell recently, please be sure to check my other items and visit my store for more rare NOS tubes and parts.
I have more than 250000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.
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- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
No issues
Color: Glow Green
no issues to report, nice glow in the dark design, easy to put on....
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2025
★★★★★ 5
Cool
Color: Glow Green, Color: Glow Green
I find it very clean and protective
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
★★★★★ 5
Apple Remote cover
Color: Glow Green
Fit is perfect. Colors shown are true to color. This one comes with a strap which doesn’t show in description which to me, was a bonus. Definitely a good buy.
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Reviewed in the United States on January 12, 2026
★★★★★ 5
Batman-Approved Armor for Your Remote
Color: Black, Color: Black
✅ Hi Color Silicone Cover for Apple TV Siri Remote (3rd Gen, 2023) – Shockproof Protective Case with Anti-Slip Grip, Full Button Access, Easy Installation – Batman-Approved Armor for Your Remote
Custom Fit for Apple TV Siri Remote (3rd Gen, 2023): Perfectly designed silicone sleeve for Apple TV 4K remote, ensuring a snug fit without blocking buttons, touchpad, or IR sensor.
Batman-Approved Armor: Tough, shockproof silicone acts like superhero armor—protecting your remote from drops, scratches, and everyday wear.
Anti-Slip Grip for Ultimate Control:
Textured silicone prevents slipping, making navigation smooth and secure—even during intense streaming sessions.
Premium Protection Without Bulk:
Thick enough to absorb impact yet sleek enough to keep your remote stylish and lightweight.
Full Access & Compatibility:
Maintains complete functionality of all buttons, touchpad, and charging port. Compatible with Apple TV 4K (2023 and newer).
Quick & Easy Installation: Stretch and slide the remote through the IR opening—fits perfectly in under 20 seconds.
⸻
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“Because even Batman knows—every hero needs armor. Protect your remote like Gotham depends on it.”
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Reviewed in the United States on November 5, 2025
★★★★★ 5
Probably one of the best products you didn’t realize you needed
Color: Gray
Originally purchased on recommendation from other users after Apple Siri TV remote power button randomly detached and fell out of the remote (which they are apparently VERY prone to do.)
~Do ensure your original power button is not lost.~
Apple‘s smug recommendation to their design problem was to buy a new Siri remote, but this silicone sleeve retains the original power button in place without adhesive and solves over-sensitivity and handling issues with the original button design.
Highly recommend purchasing one of these sleeves to preemptively solve the Siri remote’s power button design and handling sensitivity problems.
Multiple bold color choices also help minimize remote becoming easily lost in blanket and in between couch cushions.
Same sleeve is Apple Lightning and USB-C charger compatible for newer and previous models, as pictured *NOT for first generation remotes!*
Craftsmanship / fit and finish are impeccable
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Reviewed in the United States on May 12, 2026