Zhanna Bichevskaya Collector And Performer Of Russian Folk Songs Собирательница и исполнительница русских народных песен Melodiya Records

Zhanna Bichevskaya Collector And Performer Of Russian Folk Songs Собирательница и исполнительница русских народных песен Melodiya RecordsI just cleaned this LP on my VPI 16. 5 record cleaner and then played it on my Rega Planar 1. Please rely on the pictures as to the true content of these albums as my Russian is worse than poor. 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 ITEM IS MARKED "DELIVERED," AND YOU HAVE NOT ACTUALLY RECEIVED IT, THE FIRST STEP IS FOR YOU TO CONSULT YOUR MAIL

These tubes have shiny

This historical recording sounds pretty good

They are dead quiet when the preamp is muted and have excellent frequency response

Transconductance measured 2330 micromhos for Tube One and 2400 for Tube Two

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

They measured 36 and 37 (RCA-LABELED

They measured 89/80 for Tube One and 90/76 for Tube Two where minimum (65%) is 57/57 and 100% is 88/88

43 and 44 respectively

This new from bulk box Raytheon 0Z4G tube tested to spec on our Jackson 648 Mutual Conductance tester

Transconductance: 2219 / 2211 (M-M has no recommended value

Unfortunately I cannot determine who manufactured it

Transconductance measured 8800 micromhos and late current draw was 48