Mullard labeled SylvaniaEL34 / 6CA7 xf2usedMullard labeled Sylvania EL34 / 6CA7 xf2 Pair plus 2Originally purchased on Agon as a NOS quad. Mullard Blackburn factory made EL34 xf2's branded Sylvania. Single O getter. Brown base. Hole in centering pin. One tube turned out to be making ...500.00

Mullard labeled Sylvania EL34 / 6CA7 xf2 Pair plus 2

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Condition
9/10
Payment methods
Ships fromBerkeley, CA, 94709
Ships toUnited States
Package dimensions8.0" × 8.0" × 6.0" (2.0 lbs.)
Shipping carriersUSPS, UPS or FedEx
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Original accessoriesBox
AverageResearch Pricing

Originally purchased on Agon as a NOS quad.

Mullard Blackburn factory made EL34 xf2's branded Sylvania. Single O getter. Brown base. Hole in centering pin.

One tube turned out to be making a soft intermittent noise. Remaining 3 tubes sound fine though I broke one of the remaining tube's centering pins. Tested in my Leben CS600 the broken pin tube sounded perfect. Years ago on A'gon I purchased a used quad of xf2s which included one tube missing the centering pin. The sound is still superb. The broken pin tube simply requires a bit more concentration when inserting the tube to make sure the pins are correctly orientated in the socket. Perhaps the centering pin can be repaired if the right adhesive is used?

All tubes come with original Sylvania boxes. Some closure flaps are torn or missing.

Date codes for the perfect pair are B8K1 and B8K2.
Date code for single tube broken centering pin is B8K2.
Date code for noisy tube B8K1.
Price for all 4 is 500.00.

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All tubes sold as is. No returns.

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