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Author Topic: NOS Marconi ECC83 valve... any info?  (Read 3419 times)

5F6-A

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NOS Marconi ECC83 valve... any info?
« on: December 27, 2014, 09:42:13 AM »
Found a couple of these NOS valves in my valve drawer. Plates look very bright and silver. Good sound. Anybody knows its origin?



« Last Edit: December 27, 2014, 09:44:56 AM by 5F6-A »
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"I now consider atheism to be brutal because it offers neither consolation nor liberty of any kind" Benjamin Constant in 1804
"Practice until you can hear the metronome grooving" Carol Kaye

5F6-A

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Re: NOS Marconi ECC83 valve... any info?
« Reply #1 on: December 29, 2014, 09:51:54 AM »
mystery solved!!! itīs a Mazda silver plate made France in the late 50s or early 60s! Gorgeous tone. Very clear and bright. Made my JTM45 with KT66s sound like pure studio Hendrix with notes jumping out of the speakers.

Great valve if you need to  wake up your amp a little with some righteous vintage style (i.e. not fizzy) righteous top-end. 

Thanks guys!!
« Last Edit: December 29, 2014, 09:53:38 AM by 5F6-A »
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"I now consider atheism to be brutal because it offers neither consolation nor liberty of any kind" Benjamin Constant in 1804
"Practice until you can hear the metronome grooving" Carol Kaye

Plenum n Heather

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Re: NOS Marconi ECC83 valve... any info?
« Reply #2 on: December 30, 2014, 08:31:10 PM »
I have a couple of OS Mazda ECC83s ... they are quite nice!
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5F6-A

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Re: NOS Marconi ECC83 valve... any info?
« Reply #3 on: January 02, 2015, 09:23:17 AM »
How do you find them tone wise?
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"I now consider atheism to be brutal because it offers neither consolation nor liberty of any kind" Benjamin Constant in 1804
"Practice until you can hear the metronome grooving" Carol Kaye

Plenum n Heather

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Re: NOS Marconi ECC83 valve... any info?
« Reply #4 on: January 02, 2015, 10:10:34 PM »
I like the tone; I find them to be well-balanced with a nice top end; not as thick or euphonic as old Mullards.
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5F6-A

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Re: NOS Marconi ECC83 valve... any info?
« Reply #5 on: January 03, 2015, 11:36:34 AM »
i have a JTM-45 amp with GEC KT66s into a large, plywood  closed back 2 x 12 cab with Greenbacks. This combo can sound a bit muddy so I swapped an old Mullard ECC83 short plates (v1) for the Mazda with great results. The Mullard was just too righ in the mids for me.
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"I now consider atheism to be brutal because it offers neither consolation nor liberty of any kind" Benjamin Constant in 1804
"Practice until you can hear the metronome grooving" Carol Kaye
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