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(!!!!!) (3rd Best Pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era (8.6/9.6ma and 8/10ma) (best sounding ECC33 of all-time)
(!!!!!) (3rd Best Pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era (8.6/9.6ma and 8/10ma) (best sounding ECC33 of all-time)
$ 779.99
1 low noise pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era in original boxes (rare and best of breed)
1 tube) 8.6/9.6ma Gm=3500/3900 some staining at top of glass
1 tube) 8/10ma Gm=3600/4000
- best sounding ECC33 of all-time
- black oval plates
- pan getter
Sonic Comments: "the ECC33s sound great - big, expansive and very clean and open"
Tested on Amplitrex
Good mA range 7-10mA
Good Gm = 2300-2600
Vplate = 250V
See more: vacuum tube
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 (3rd Best Pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era (8.6/9.6ma and 8/10ma) (best sounding ECC33 of all-time)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/2_468a024e-14ad-4936-b5f4-938305f41811.jpg?v=1732231547){kind=link}
 (3rd Best Pair) ECC33=6SN7GT Mullard UK black plates NOS pan shape getter halo 1950-1955 era (8.6/9.6ma and 8/10ma) (best sounding ECC33 of all-time) "Pin It")