8 RCA 6S4 6S4A Vacuum Tubes Valves NOS NIB Lot Of Eight

8 RCA 6S4 6S4A Vacuum Tubes Valves NOS NIB Lot Of EightThis lot of eight new old stock, new in box RCA 6S4A tubes tested to spec on our Paul Hart calibrated TV7 U. Seven are 6S4As and one is a 6S4, 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

Silkscreening quality -- and color thereof -- will vary

vertical gray plates

a third mica spacer for increased vibration resistance and lowered microphonics

It was dead quiet when the CD player is paused and had excellent frequency response

The bulk of the album is an 8

They have HG YCN and EJ date codes

new in box RCA 1G3GT / 1B3GT rectifier tubes tested to spec on our Paul Hart-calibrated TV7/U

I am playing them in my Sound Craftsmen RC-2 monoblock amplifiers with the included adapters and they sound outstanding

IN WELL OVER 8000 SALES

80/70 and 82/70

dark gray rounded plates and excellent flashing

These five US-made 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts