Chicago Greatest Hits Columbia Records Stereo LP PC 33900 VT-148 T02 perfectly-matched pair of Ken-Rad 6SJ7s

perfectly-matched pair of Ken-Rad 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

These four Philco engraved base number / type 27 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

These tubes have narrow 19 MM plates

Tube One measured 42 in its triode section where minimum (65%) is 25 and 100% is 39

Transconductance measured 85 for Tube One and 86 for Tube Two where minimum (65%) is 58

Chicago Greatest Hits Columbia Records Stereo LP PC 33900 VT-148 T02 perfectly-matched pair of Ken-Rad 6SJ7sI just cleaned this album on my VPI 16. 5 record cleaner and then played it on my Rega Planar Three. This pressing has lightly moderate surface noise audible in quiet passages and barely audible in moderate passages and louder. A very nice, clear recording with sparking highs and nice bass!. A 7. 5 out of 10. 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