Goat Tube Shield For 6K7G 6A8G 6P5G-Size Tubes NIB Lot Of Nine Transconductance readings are 44

Transconductance readings are 44

This matched pair of GE 12B4A tubes was tested on our Paul Hart-calibrated TV7/U for shorts

9 milliamps with a transconductance of 2390 micromhos while Tube Two measured 21

D getter and a 4-09 188-5 date / provenance code

0 (New/nominal according to M-M is 17/17)

Goat Tube Shield For 6K7G 6A8G 6P5G-Size Tubes NIB Lot Of Nine Transconductance readings are 44This Goat STYLE shield is 107 MM high and approximately 40 MM wide at its greatest diameter. It fits #27, 6K7G, 6A8G and 6P5G size tubes. WE HAVE A VERY LARGE SELECTION OF VACUUM TUBES AND VACUUM TUBE RELATED ITEMS. PLEASE CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN VALUE. IF AN