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Mullard 7247 / 12DW7 - various labels

Mullard 7247 / 12DW7 - various labels
Price: $49.00
1 in stock
Item Number: 446OEM
Manufacturer: Mullard
This 1960 Mullard 7247 is a high reliability 12DW7 preamp tube. It has ribbed gray plates and a halo getter (6B1 series). The white print on the glass is labeled for The Fisher, and "made in Great Britain" is printed along the bottom. The Blackburn, UK factory code is etched in the glass.
Tube tests as new with low noise. It ships in a new white box with test results for current draw (mA) and transconductance (Gm).
This tube is sold individually. Photo is of the actual tube. Matched pairs, when available, are listed as Item 893.

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Sylvania 12DW7 - gray plates
Sylvania 12DW7 - gray plates
Price: $39.00
Sylvania 12DW7 - gray plates
This 1960s Sylvania 12DW7 tube has long gray plates with copper grid posts and a halo getter. The yellow print on the glass has the Sylvania logo. Tube tests as new with low noise.
TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.

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