div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Beam Power Tubes - Van der Heem NVTitle Beam Power Tubes Author OH Schade Subject Criteria for audio amplifier tubes and introduction of the 6L6 beam power tube Keywords RCA Beam src=https:reader033fdocumentsnetreader033viewer20220415095e26dd08b02e4736df791515html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Beam Power Tubes - Van der Heem NVTitle Beam Power Tubes Author OH Schade Subject Criteria for audio amplifier tubes and introduction of the 6L6 beam power tube Keywords RCA Beam src=https:reader033fdocumentsnetreader033viewer20220415095e26dd08b02e4736df791515html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Beam Power Tubes - Van der Heem NVTitle Beam Power Tubes Author OH Schade Subject Criteria for audio amplifier tubes and introduction of the 6L6 beam power tube Keywords RCA Beam src=https:reader033fdocumentsnetreader033viewer20220415095e26dd08b02e4736df791515html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: Beam Power Tubes - Van der Heem NVTitle Beam Power Tubes Author OH Schade Subject Criteria for audio amplifier tubes and introduction of the 6L6 beam power tube Keywords RCA Beam src=https:reader033fdocumentsnetreader033viewer20220415095e26dd08b02e4736df791515html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 5button div class=trans-image amp-img class=trans-thumb alt=Page 5: Beam Power Tubes - Van der Heem NVTitle Beam Power Tubes Author OH Schade Subject Criteria for audio amplifier tubes and introduction of the 6L6 beam power tube Keywords RCA...