Raytheon 0Z4 OZ4 Vacuum Tube Valve NOS NIB Christopher

Raytheon 0Z4 OZ4 Vacuum Tube Valve NOS NIB ChristopherThis Raytheon 0Z4 regulator tube tested to spec in our Paul Hart calibrated TV7 U tube tester. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT.

This new old stock-testing Svetlana 6550B / 6P27 perforated plate output tube was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -48 volts for shorts

This matched pair of RCA 8FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

A very nice

rounded plates

Transconductance measured an almost-perfectly-balanced 82/84 where minimum (65%) is 56/56 and 100% is 86/86

IN OVER 7000 TRANSACTIONS

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

new in box RCA 17CK3 tubes tested to spec on our Paul Hart-calibrated TV7/U

34/34 and 38/41 where minimum (65%) is 25/25 and 100% is 38/38

new in box RCA 12AW6 tubes tested to spec on our Paul Hart-calibrated TV7/U

They measured 39

new in box GE 5AM8 tubes tested to spec on our Paul Hart-calibrated TV7/U