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12AU7A
20 Tubes in archive
Arcturus
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AWV
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CBS
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Channel Master
By
Hitachi
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Dynascan
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El Menco
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ECC82
Electronic Enterprises
By
RFT
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GE
By
Mazda
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GE
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ECC82ECC82
General Electric
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Heintz & Kaufman
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IEC
Mullard
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ECC82
Lindal
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Lindal
By
Matsushita
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ECC82
Marconi Radiotron
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Marconi Radiotron
By
Hitachi
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Mazda
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ECC82
Mazda
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ECC82
Motorola
By
GE
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ECC82
Miniwatt
Philips
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