SKU: 58159504819

Platinum Matched Pair ECC33 Mullard 6SN7 CV2821 100% Brown Base Great Britain

$382.50 $425.00
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

Platinum Matched Pair ECC33 Mullard 6SN7 CV2821 100% Brown Base Great BritainExtremely rare Mullard UK ECC33 CV2821 (6SN7 sub with a bit higher gain), platinum matched pair (2 tubes) Brown base, gray coated, old type square getter with two rods. Used, tested 110% of NOS values. The same date production. 100V on anodes and 0V on grids: (10. 8 10. 9) (10. 9 10. 8) mA 250V on anodes and 6V on grids: (2. 2 2. 3) (2. 4 2. 3) mA Made in famous Blackburn tube plant in 1958, fX1 B8L, the same etched codes. The same codes on base as

Extremely rare Mullard UK ECC33 CV2821 (6SN7 sub with a bit higher gain), platinum matched pair (2 tubes)
Brown base, gray coated, old type square getter with two rods.

Used, tested 110% of NOS values. The same date production. 

100V on anodes and 0V on grids: (10.8/10.9) (10.9/10.8) mA
250V on anodes and -6V on grids: (2.2/2.3) (2.4/2.3) mA

Made in famous Blackburn tube plant in 1958, fX1 B8L, the same etched codes. The same codes on base as well.

Tested for microphonics and noise in RIAA preamp.


Genuine Great Britain product, made in 1958. Hard to find today.



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.

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 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.


Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 58159504819

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4.9 ★★★★★
Based on 20 reviews
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Verified Purchase
Stephanie Adams
Massapequa, US
★★★★★ 5
Great addition to my sewing table!
I ordered two of these to give me a little more room on my sewing table. One for the backside and one for the left side. Worked out great! Very sturdy and not hard to install (followed directions). I just extended when I need room and fold when not in use. I would recommend these to anyone who just needs a little more table/room.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2020
M
Verified Purchase
Melanie Miguelgorry
Natrona Heights, US
★★★★★ 3
Not very sturdy
The oak that this is made of is very nice. The little bit of extra counter space is nice. The problem is the bracket to hold it up is kind of small and flimsy, so the shelf won't bear much weight. It will be ok for putting light things on. Also had a problem getting it to hang flat in the down position.
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Reviewed in the United States on February 22, 2022
C
Verified Purchase
curtiskuhr
Belleville, US
★★★★★ 5
A good product at a good price. this is easy to install, and very sturdy.
This will expand our counter space in our camper, it is very sturdy and well built, solid wood, and a nice hinge.
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Reviewed in the United States on December 13, 2023
D
Verified Purchase
Don't know about these items and ratings have nothing to do with product because the next day air has been sitting in the UPS building for a week now.
San Leandro, US
★★★★★ 1
No quality control.
Look at other options. Received with hinge already attached to the wood, at an angle. Tried to contact seller, no response. I fixed it myself. Rather than having hinge attached they should just let the buyer install the hinge. Made in Vietnam.
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Reviewed in the United States on November 22, 2025
C
Verified Purchase
Caroline
Chelsea, US
★★★★★ 5
Perfect
This is perfect for our camper trailer. It gives just enough extra counter space. It can hold bowls and items needed for cooking or washing dishes or setting drinks on it. I would only use it as a cutting board if the place you screw it into is sturdy. If it's a flimsy wall, I would add support to it. Definitely recommend this board.
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Reviewed in the United States on May 24, 2023

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