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Mullard CV4004 12AX7 ECC83 New! For McIntosh Marantz -Amplitrex Matched Pair

CTech Electronics

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US $80.00

ApproximatelyC $109.10

Condition:

New

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US $22.45 (approx C $30.62) USPS Priority Mail®.

Located in: Jamestown, North Carolina, United States

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Estimated between Tue, Jul 29 and Mon, Aug 4 to 94104

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eBay item number:384807390274

Last updated on Jul 21, 2024 15:31:55 EDTView all revisionsView all revisions

Item specifics

Condition: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is ... New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitionsopens in a new window or tab

About this product

Product Identifiers

Brand

Mullard

eBay Product ID (ePID)

141075228

Additional Product Features

Type

Cv4004

Item description from the seller

About this seller

Joined Jun 2001

Usually responds within 24 hours

Welcome to CTech Electronics. We are full service vendor offering parts and service for vintage and current Hifi equipment, radios, guitar amplifiers and Tube Tester repair/calibration. Specializing ...

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Detailed seller ratings

Average for the last 12 months

Accurate description

5.0

Reasonable shipping cost

4.6

Shipping speed

5.0

Communication

5.0

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Seller feedback (6,343)

i***y (388)- Feedback left by buyer.
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Arrived quickly, packaged extremely well, and as described. Excellent communication! Thank you!
TAD Premium Selected Factory Matched Quad Red Base 6550A-STR Tubes GE Remake (#256372854972)
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Excellent seller. AAAAAA+++++++++++++++++ Fast delivery of goods. Quality and condition of goods corresponds to the description. Best recommendations+++++++
Factory Matched Quad Tube Amp Doctor TAD 6L6 6L6WGC-STR Red Base Short bulb. (#253417279968)
h***f (61)- Feedback left by buyer.
Past 6 months
Verified purchase
Very well packaged, shipped promptly, as described & good after-sale communication with seller. Can't ask for more.
London Decca Super Gold Cartridge with Decca Pod (#387608756931)

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5.0

31 product ratings

31 users rated this 5 out of 5 stars
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Would recommend

Good value

Good quality

Most relevant reviews

See all 26 reviews

by mrlafoo
Apr 17, 2018Top favourable review
Warm classic crunch
After I had already replaced a rattling stock set of KT66 power tubes, I replaced the stock 12AX7s in my Marshall Astoria Custom with a set of Mullards CV4004 12AX7s. They are a touch less aggressive than stock Marshall tubes, which I prefer. They are much warmer with a nice round lowend tone. I can get some very nice clean tones on the low input but they can really bring the classic Marshall crunch with the gain turned up. They turned "amazing" up to "11" on an already amazing amp. They look well made. All pins were nice and straight and all internals look sturdy. If there is any downside, and this is really picking nits, I wish the label ink was better defined. All in all, if you are looking for classic rock gain and tone, you can't go wrong with these.After I had already replaced a rattling stock set of KT66 power tubes, I replaced the stock 12AX7s in my Marshall Astoria Custom with a set of Mullards CV4004 12AX7s. They are a touch less aggressive than stock Marshall tubes, which I prefer. They are much warmer with a nice round lowend tone. I can get some very nice clean tones on the low input but they can really bring the classic Marshall crunch with the gain turned up. They turned "amazing" up to "11" on an already amazing amp. They look well made. All pins were nice and straight and all internals look sturdy. If there is any downside, and this is really picking nits, I wish the label ink was better defined. All in all, if you are looking for classic rock gain and tone, you can't go wrong with these.
Verified purchase: YesSold by: wpc1896
by 2RnCkX3dRD-@Deleted
Jul 30, 2016
Better than the JJ tubes I was using
I won't bash tubes but I noticed a difference switching from JJ to using Mullard in my 100w Plexi head....I am also using Mullard 12ax7 and swap out V1 pre-amp for a vintage 60's Bugle Boy....My amp is chimes on low and breaks up like EVH when I push it.... Mullard is a no brainier if you want to up grade your tone....Mine are EL34 but I may get them again in 6550 or KT77 which are all similar voltage just slightly different characteristics relating to compression.... EL34 is a do all tube that's a tad bit mid bit, the KT77 is a tighter bass and treble with a smoother mid and the 6550 is the more compressed gain that breaks up faster than the other two....I won't bash tubes but I noticed a difference switching from JJ to using Mullard in my 100w Plexi head....I am also using Mullard 12ax7 and swap out V1 pre-amp for a vintage 60's Bugle Boy....My amp is chimes on low and breaks up like EVH when I push it.... Mullard is a no brainier if you want to up grade your tone....Mine are EL34 but I may get them again in 6550 or KT77 which are all similar voltage just slightly different characteristics relating to compression.... EL34 is a do all tube that's a tad bit mid bit, the KT77 is a tighter bass and treble with a smoother mid and the 6550 is the more compressed gain that breaks up faster than the other two....
Verified purchase: YesSold by: wpc1896
by bostonhalen
Aug 02, 2017
Quiet 12ax7
I have had everything pretty much in my pre's. Tung Sol, electro Harmonix, JJ's, GT and I did all kinds of testing. The Tung Sol sounded exactly the same as the mullard but the mullard was quieter. Electro Harmonix we're good too but I think mullard has them all beat.
Verified purchase: YesSold by: wpc1896
by ourstuff83
Sep 06, 2021
Seeburg Jukebox
My Jukebox always had to much base. It also hade all long plate different name tubes. Bought four Mullard short plate 12AX7s for our Seeburg 222 and now it has nice high tones.
Verified purchase: YesSold by: wpc1896
by nautilusbradley
Jan 20, 2020
My new favorite 12ax7
This is a very low-microphonic tube, very "clean" for a 12ax7. Amp is noiseless on startup. Seem to have a bit more headroom than your average 12ax7 and have a nice compression and breakup to them. Perhaps a bit more compressed than a standard Mullard reissue 12ax7 imo. I decided to go with 5751 in v1 and v2 of JVM to tame it but was impressed by these. Far warmer and more organic to my ears than Chinese 12ax7s which sound fizzy and kinda harsh to my ear. My new favorite newer production 12ax7/ ECC83 tube that work well in all positions.This is a very low-microphonic tube, very "clean" for a 12ax7. Amp is noiseless on startup. Seem to have a bit more headroom than your average 12ax7 and have a nice compression and breakup to them. Perhaps a bit more compressed than a standard Mullard reissue 12ax7 imo. I decided to go with 5751 in v1 and v2 of JVM to tame it but was impressed by these. Far warmer and more organic to my ears than Chinese 12ax7s which sound fizzy and kinda harsh to my ear. My new favorite newer production 12ax7/ ECC83 tube that work well in all positions.
Verified purchase: YesSold by: wpc1896

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Mullard CV4004 12AX7 ECC83 New! For McIntosh Marantz -Amplitrex Matched Pair

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Item specifics

About this product

Product Identifiers

Additional Product Features

Item description from the seller

CTech Electronics

100% positive feedback•14K items sold

Detailed seller ratings

Popular categories from this store

Seller feedback (6,343)

Product ratings and reviews

Most relevant reviews

Warm classic crunch

Better than the JJ tubes I was using

Quiet 12ax7

Seeburg Jukebox

My new favorite 12ax7

More to explore:

CTech Electronics

100% positive feedback•14K items sold

Detailed seller ratings

Popular categories from this store

Seller feedback (6,343)