The Cathode Ray Tube - Pearl HiFi

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Transcript of The Cathode Ray Tube - Pearl HiFi

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THE CATHODE-RAY TUBE Peter A. Keller

CORRECTIONS p. 95: Replace 2511 with 2529 in “The 5JP1 was formerly known as the Du Mont type 2511-“. p. 110: Replace 15 MHz with 10 MHz in “- - type T51 CRT for the 15 MHz Model 535 - -“. p. 175: Add “and 6.14” after “The RCA 15GP22 (Figure 6.14”. p. 178: Figure 6.14 is actually an RCA 15GP22. p. 291: Reference 73 should read “Buzac, T.,” instead of “Thomas, B.”. p. 313: “Calbick, C.J., 141” should read “Calbick, C.J., 139” Appendix 5: “Textronix” should read “Tektronix” and “Manufacturer Code” is more correctly termed “Source Code”.

ADDENDUM Appendix 5: Add EIA Mfr. Codes 157 and 158 for Du Mont, 170 for Electronic Tube Corp., 211 for Hytron, 744 for Hughes, and 247 for National Union. Add “H” for Hughes Type Number Prefix. Appendix 5: Add JAN Code “CVG Electronic Tube Corp., Philadelphia, PA” and “CWL Westinghouse – Elmira, NY”. Appendix 6: For RCA Date Codes add “L is 1933(?)”, “J is 1934”, “C is 1935”, “Z is 1936”, “U is 1937”, “T is 1938”, “X is 1939”, and “R is 1940”. Subsequent CRT history articles by the author: “Odd Cathode-Ray Tubes”, Information Display, pp. 17-21, June 1994. “The 100th Anniversary of the Cathode-Ray Tube”, Information Display, pp. 12-16, June 1997. “From the Braun Tube to the Information Age, 1897-1997”, Tube Collector*, pp.8-16, June 1999. “The 1AP5, Offspring of the 913”, Tube Collector*, pp. 2-5, June 2005. “Tektronix CRT History, Part 1. The Early Years”, Tube Collector*, pp.5—9, June 2006. “Tektronix CRT History, Part 2. The First Tek CRTs”, Tube Collector*, pp.9-14, August 2006. “Tektronix CRT History, Part 3. The Classics: 1955-1959”, Tube Collector*, pp. 2-9, October 2006. “Corrected Table 2 for Tektronix CRT History, Part 3”, published by TCA, unknown date. “Tektronix CRT History, Part 4. Innovations: 1959-1961”, Tube Collector*, pp. 3-10, February 2007. “Tektronix CRT History, Part 5. The Hybrid Years: 1961-1964”, Tube Collector*, pp. 5-10, October 2007. “Tektronix CRT History, Part 6. CRTs for Solid-State Instruments: 1964-1967”, Tube Collector*, pp. 13-16 and p. 30, December 2007. “Du Mont “House Numbered” Tubes”, Tube Collector*, pp. 21-23, Tube Collector*, December 2007. “Du Mont “House Numbered” Tubes - 2”, Tube Collector*, pp. 6-9, Tube Collector*, February 2008. “Du Mont Cathode-Ray Tubes: 1932-1942”, Tube Collector*, pp.2-7, April 2008. “Sylvania “House-Numbered” CRTs – Part 1”, Tube Collector*, pp.17-18, October 2009. “Sylvania “House-Numbered” CRTs – Part 2”, Tube Collector*, pp. 4-7, February 2010. Additional CRT history material by other authors: Auyer, Steve “General Electric’s CRT Production in Syracuse, NY”, Tube Collector*, pp. 2-5, Feb. 2008. Dupart, Edward “Rebuilding Picture Tubes”, Tube Collector*, pp. 22-25, October 2009. Gnessin, David “Picture Tube Failures”, Tube Collector*, pp. 40-45, August 2013.

Santoro, Abel “The Boom of CRT Manufacture in Argentina: Transworld Electronics Argentina S.A.”, Tube Collector*, pp. 9-14, February 2010. Santoro, Abel “The Rauland Corporation”,Tube Collector*, pp. 5-8, October 2012. Sibley, Ludwell “The 12AP4 Picture Tube”, Tube Collector*, pp. 25-33, December 2010. Sibley, Ludwell “Du Mont - The Man, The Tubes, The TV Sets, The Networks”, Tube Collector*, pp. 15-27, August 2011. Sibley, Ludwell “Du Mont on Wikipedia”, Tube Collector*, pp. 28-30, August 2011. Sibley, Ludwell “More on Rauland”, Tube Collector*, pp. 9-10, October 2012. Van Trigt/Siepel “Behind the Picture”, Philips Components B.V., 1998. White, W.C. “The Story of Electronics Development at the General Electric Company”, Tube Collectors Association Special Publication No. 23*, p.54, February 2014. ----------- “Weird Tube of the Month: The Wamoscope”, Tube Collector*, pp. 20-21, October 2009. *Tube Collectors Association, PO Box 636, Ashland, OR 97520, USA pk 4 Feb. 2014