RCA 5W4 Vacuum Tube Valve Septal T17 Transconductance measured a perfectly-balanced 2700/2700

Transconductance measured a perfectly-balanced 2700/2700 micromhos

I have played them in my Radio Craftsmen RC-2 monoblocks with adapters (not included) and they sound outstanding

I have no means to test this device

They have black T plates

It’s a good pressing of a 1954 performance from right on the cusp of mono high fi

RCA 5W4 Vacuum Tube Valve Septal T17 Transconductance measured a perfectly-balanced 2700/2700This RCA 5W4 tested 38 37 on our Paul Hart calibrated TV7 U where minimum (65%) is 40 40 and 100% is 62 62. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS