1PC Premium Shuguang 6CA7-Z Vacuum Tube Replace 6CA7-T 6CA7

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1PC ShuGuang Treasure 6CA7-Z  Vacuum tube Replace EL34 6CA7

Item specifics
Type:    Audio Tube
Model:     6CA7-Z
Substition: 6CA7 EL34
Brand:    Shuguang
Application: tube amplifier
Socket: 8 pins 
Material:Glass

Packaging Details:
ShuGuang Treasure 6CA7-Z x1PC in a box

 

 

 

Factory history and overview

1. Built in the year 1958.

2. Start producing 6Z4 tube in 1963.

3. manufactured 3.7 millions tubes in 1965. Including：6Z4、6P1、6A2、6K4、6N1、6N2、6N12P、6P6P、6L6、FU-7、FU-5.

4. 

1971—1979: Designed and produced 6P14P、6P15P、6P17P 6C16、6BK4、6J8P、6P16P、6P18P、6N18P、FU-811、6C41P tubes.

1980—1985: Designed and produced  EL34A、6P16PA、6T51、6T50(7092)、FU-812、GL-211、2A3 6P16P tubes.

1986—1991: Designed and produced KT88、6550、572B、50CA10.

1991—1995: Designed and produced 300B、5AR4、6L6WGB、300BC、KT94.

1996—1999: Designed and produced  EL156、KT77、KT66. and upgraded 300B、KT88、6550、6L6 to: 300B-98、KT88-98、6550-98、5881A。

2000: Designed and produced 12AX7、6P14.

2001: Designed and produced 12AT7、12AU7.

2002: Designed and produced GE6L6、5881A、6BK4C.

2003: Designed and produced 12AX7M、EL34B、300BS-B、300BS-C、EL37.

2004: Designed and produced 2A3B、2A3C、EL84、845B、845C、EL84L.

2005: Designed and produced 7025A、5751、5Y3GT、EL34M、SG-50.

2006: Designed and produced 805A、SG205、6L6WGS、6L6GC.

2007: Designed and produced SG101、UF101.

2008: Designed and produced 6V6GS、EL34HT. and  CV181-Z、6CA7-Z、KT66-Z、2A3C-Z、E、KT88-Z、300B-Z.

2009: Designed and produced GZ34、6V6GTW、6V6GTP.

2010: Designed and produced 12AX7Ⅲ、12BH7、310、EL34BW.

2011: Designed and produced 12AX7Ⅰ、12AX7MB.

2012: Designed and produced 845-T、805A-T、211-T、6CA7-T、CV181-T.

2013: Designed and produced WE300B、WE274，12AX7-T、12AU7-T、KT88-T、6DJ8.

2014: Designed and produced WE845、12AT7-T、6SL7-T.