mullard tube circuits for audio amplifier production guide book vintage magazine

mullard tube circuits for audio amplifier production guide book vintage magazine

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Mullard Blackburn 12AX7 ECC83 Tube, Tested Strong

Mullard Blackburn 12AX7 ECC83 Tube, Tested Strong

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(1) Mullard (GE Branded) EL34 6CA7 Tube ~ Xf2 OO Getters for Marshall Amps!

(1) Mullard (GE Branded) EL34 6CA7 Tube ~ Xf2 OO Getters for Marshall Amps!

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Mullard * 6BL8 Tubes * Pair * Tested 95/99 86/93

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MULLARD BLACKBURN 12AT7 ECC81 TUBE (circa 1960, STRONG TESTED!)

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MULLARD BLACKBURN 6BQ5 EL84 TUBE (UK-made circa 1969 rX1-series strong tested!)

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MULLARD BLACKBURN 12AX7 ECC83 TUBE (GB-made I61-series 1959 strong tested!) ****

MULLARD BLACKBURN 12AX7 ECC83 TUBE (GB-made I61-series 1959 strong tested!) ****

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EICO By Mullard Tube ~ C83 12AX7 ~ Amp Tube ~ Made in Great Britain ~ I61 B3D5

EICO By Mullard Tube ~ C83 12AX7 ~ Amp Tube ~ Made in Great Britain ~ I61 B3D5

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Factory Platinum Matched Pair of Mullard EL34 Reissue tubes, Brand NEW in Box !

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New 1x Mullard 12AX7 / ECC83 | One / Single Preamp Tube | Free Ship

New 1x Mullard 12AX7 / ECC83 | One / Single Preamp Tube | Free Ship

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Mullard 5AR4/GZ34 4 notch/Etched xf32 Blackburn Codes TV-7 tested

Mullard 5AR4/GZ34 4 notch/Etched xf32 Blackburn Codes TV-7 tested

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