Mark 2C+ Voltage Gain in each stage

[Wildman]

Help with info for a Mark 2C+
I am doing some work on a copy of a Mark 2C+ and need some information, to check what is working correctly and what is not.

Has anyone measured the Level of Signal Voltage Gain for each of the stages and the Level of Attenuation between stages?
Is there any Waveform info available?
Is there a Voltage Chart available?

All info appreciated.
Noel

 

[woodbutcher65]

Got an RCA tube manual?

Got the Mark IIC+ schematics?

Using the data in the schematics, and the study guides in the back of the RCA tube manual, you can determine the voltage gain of the stages.

 

[Wildman]

woodbutcher65,

Yes I have all of that info and I have already calculated the stage gains.
I am interested in real life measurements, to see how they compare to the theoretical figures and how the waveforms look at each stage.

 

[woodbutcher65]

An oscilloscope and probes will quickly give you the answers you seek. Since I lack a Mark IIC+ at the present time, I only have half the solution. (The scope.)

 

[Wildman]

I have a scope.
I want to compare what I see on this amp, with what is normal on a Boogie.
This is why I wanted to see waveforms and voltages from a genuine Mark 2C+.
Finding anyone with access to a C+ in Australia is rather unlikely, so very difficult for me to compare.