National Union NU Number / Type NY-235 35 #35 Vacuum Tube Valve Globe / Balloon Bottle Engraved Base

National Union NU Number / Type NY-235 35 #35 Vacuum Tube Valve Globe / Balloon Bottle Engraved BaseThis National Union Type NY 235 235 35 tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured 44 where minimum (65%) is 26 and 100% is 40. It has an engraved stamped base; a balloon globe bottle; mesh plates; a thimble getter and excellent flashing. 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"

They have REI and Y3E date codes

The remaining six are labeled "1X2A/1X2B

It was not an original recording

It measured 53/47 where minimum (65%) is 40/40 and 100% is 62/62

They tested 51/52

hanging filaments

This Raytheon 923 gas phototube is new old stock and new in box

new in box RCA 6JT8 tubes tested to spec on our Paul Hart-calibrated TV7/U

They are dead quiet when the CD player is paused (I have no preamp) and have excellent frequency response

" Tube one has a brown base and 59-43 date codes while Tube Two has 1-17 date codes and a black base

This VR92 signal diode appears new

Tube One measured 64/64 while Tube Two measured 66/66 where minimum (65%) is 50/50 and 100% is 77/77