Quantity One

Vintage RCA 6AU6A 6AU6 NOS NIB *TESTED*

New In Box

New Old Stock

Tested as shown on Hickok 533 Dynamic Mutual Conductance Tube Tester

Box worn from years of storage

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The 6AU6 is an RF pentode for use up to 50 MHz. · The thin glass tube envelope is 18 mm 

No difference between 6AU6 & 6AU6A except controlled warm up time for A version, 11 second average

6AU6 tube is used in Hammond Organ B3 C3 A-100 RT3 D-100, M3 M-3 L100 L-100 M100 M-100 The 6AU6 tube is used in Hammond AO-28 and AO-29 preamplifiers as the driver tube for the nomal and vibrato audio channels. 

THE 6AU6 AND 6AU6A ARE PENTODE AMPLIFIERS HAVING A SHARP CUTOFF CONTROL CHARACTERISTIC. WITH HIGH TRANSCONDUCTANCE