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Vortexion Record Reproducer

Valves

5R4GY rectifier.  RCA. 
2 x 6L6G beam tetrode. Both RCA with date codes K4E - August 1943. Ref  http://mysite.verizon.net/tubetronic/PDF_FILES/RCA%20DATE%20CODES.pdf
L63 triode. Osram.
2 x EF36 (VR56) pentode. One probably Mullard, the other Rogers 10E/11.

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