mroboto
Super Member
Hi,
I do not have to complain about this amplifier,but I think,I am sure we could improve it.
I don't want to ask about tubes rolling,there already are a lot of threads about this on the web.
I will take my time,think about that before i begin any work on this,but meanwhile,I wish I could have a better idea about what I could do.
So, I wonder,if you have this amplifier,what would you do with it,or what's the first thing would you do with it?
I know I could probably make unnecessary or bad changes, and I would like to avoid, especially with the price of some brands parts.
So anyone is invited to give their opinion or debate on this thread.
Input tubes:12AT7 (12AT7WA RCA 6201 installed)
Drivers and Cathode followers:6N8P - 6SN7 - 6H8C (6N8P installed)
Rectifier:5U4GB - 5Z3P - 274B (EH 5U4GB installed)
Power Tubes;(300B-98 installed)
Direct link: http://img155.imageshack.us/img155/2032/ms300cschematics.jpg
Direct link: http://img827.imageshack.us/img827/1593/66487338.jpg
Direct link: http://img215.imageshack.us/img215/2280/73168737.jpg
Direct link: http://img718.imageshack.us/img718/1951/62769726.jpg
If you want particular/detailled pictures,ask me.
I could have made mistakes on this Original (not upgrades) non-official capacitors list.
Electrolytics
C101 22uf 450V
C103 22uf 450V
C106 22uf 450V
C108 22uf 450V
C112 330uf 400V
C113 330uf 400V
C114 330uf 400V
C115 330uf 400V
C116 1000uf 25V
C117 100uf 16V
C122 100uf 16V
C118 100uf 160V
C119 100uf 160V
C120 6800uf 16V
C121 6800uf 16V
C201 47uf 16V
Metal Film ?
C102 0.1uf
C104 0.1uf
C107 0.1uf
C109 0.1uf
C105 0.47uf
C111 0.47uf
C202 102
C203 102
C204 1uf 16V
C205 470p
C401 104
C601 103 AC400V
C602 103 AC400V
I found this info,i'm not familiar with this kind of parts.
101 = 100 pF 0.1 nF 0.0001 uF
102 = 1000 pF 1 nF 0.001 uF
103 = 10000 pF 10 nF 0.01 uF
104 = 100000 pF 100 nF 0.1 uF
105 = 1000000 pF 1000 nF 1 uF
106 = 10000000 pF 10000 nF 10 uF
I do not have to complain about this amplifier,but I think,I am sure we could improve it.
I don't want to ask about tubes rolling,there already are a lot of threads about this on the web.
I will take my time,think about that before i begin any work on this,but meanwhile,I wish I could have a better idea about what I could do.
So, I wonder,if you have this amplifier,what would you do with it,or what's the first thing would you do with it?
I know I could probably make unnecessary or bad changes, and I would like to avoid, especially with the price of some brands parts.
So anyone is invited to give their opinion or debate on this thread.
Input tubes:12AT7 (12AT7WA RCA 6201 installed)
Drivers and Cathode followers:6N8P - 6SN7 - 6H8C (6N8P installed)
Rectifier:5U4GB - 5Z3P - 274B (EH 5U4GB installed)
Power Tubes;(300B-98 installed)
Direct link: http://img155.imageshack.us/img155/2032/ms300cschematics.jpg
Direct link: http://img827.imageshack.us/img827/1593/66487338.jpg
Direct link: http://img215.imageshack.us/img215/2280/73168737.jpg
Direct link: http://img718.imageshack.us/img718/1951/62769726.jpg
If you want particular/detailled pictures,ask me.
I could have made mistakes on this Original (not upgrades) non-official capacitors list.
Electrolytics
C101 22uf 450V
C103 22uf 450V
C106 22uf 450V
C108 22uf 450V
C112 330uf 400V
C113 330uf 400V
C114 330uf 400V
C115 330uf 400V
C116 1000uf 25V
C117 100uf 16V
C122 100uf 16V
C118 100uf 160V
C119 100uf 160V
C120 6800uf 16V
C121 6800uf 16V
C201 47uf 16V
Metal Film ?
C102 0.1uf
C104 0.1uf
C107 0.1uf
C109 0.1uf
C105 0.47uf
C111 0.47uf
C202 102
C203 102
C204 1uf 16V
C205 470p
C401 104
C601 103 AC400V
C602 103 AC400V
I found this info,i'm not familiar with this kind of parts.
101 = 100 pF 0.1 nF 0.0001 uF
102 = 1000 pF 1 nF 0.001 uF
103 = 10000 pF 10 nF 0.01 uF
104 = 100000 pF 100 nF 0.1 uF
105 = 1000000 pF 1000 nF 1 uF
106 = 10000000 pF 10000 nF 10 uF
Last edited: