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12DW7 / 7247 tubes

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GE 7247 / 12DW7
GE 7247 / 12DW7
Price: $32.00
GE 7247 / 12DW7
This 1960s GE 7247 is a high reliability 12DW7 preamp tube. It has ribbed gray plates and a halo getter. The white print on the glass has the GE logo. Tube tests as new with low noise.
International C 7247 / 12DW7 - made in Japan
International C 7247 / 12DW7 - made in Japan
Price: $29.00
International C 7247 / 12DW7 - made in Japan
This 1960s International Sevicemaster 7247 is a high reliability 12DW7 preamp tube. It has ribbed gray plates and a halo getter. The white print on the glass has the International C logo. Tube tests as new with low noise.
Mullard 7247 / 12DW7 - 10M Series
Mullard 7247 / 12DW7 - 10M Series
Price: $79.00
Mullard 7247 / 12DW7 - 10M Series
This 1960s Mullard 7247 is a high reliability 12DW7 preamp tube. It has ribbed gray plates and a halo getter. The yello print on the glass has the 10M Master Series logo, indicating it was selected for special quality. Tube tests as new with low noise.
Mullard 7247 / 12DW7 - IEC label
Mullard 7247 / 12DW7 - IEC label
Price: $54.00
Mullard 7247 / 12DW7 - IEC label
This 1966 Mullard 7247 is a high reliability 12DW7 preamp tube. It has ribbed gray plates and a halo getter. The white print on the glass has the Mullard IEC logo and the Blackburn factory code is etched in the glass. Tube tests as new with low noise.
Sylvania 12DW7 - gray plates
Sylvania 12DW7 - gray plates
Price: $39.00
Sylvania 12DW7 - gray plates
This 1960s Sylvania 12DW7 tube has long gray plates and a halo getter. The yellow print on the glass has the Sylvania logo. Tube tests as new with very low noise. It ships in its original box or a new white box.
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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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