Has anyone done any testing or contacted Mesa for some more detailed power output numbers on the various Mark V modes? There's the front panel power options, the Full/Variac power, the Triode/Pentode options, and maybe the rectifier selection all which should affect this. On the Mark IV the manual states it runs in the following modes:
Mark IV:
Class A - Triode: 30W
Class A - Pentode: 50W
SimulClass - Triode: 70W
SimulClass - Pentode: 85W
Now, in the Mark V, the wattage mode switch controls this:
90W: SimulClass - Diode Rectifier
45W: "Extended" Class AB - Diode or Tube Rectifier
10W: Class A, single ended - Tube Rectifier
Presumably the front panel options were labelled in Full Power, Silicone Diode, and Pentode to get maximum values as such these:
Mark V
Full Power - 90W - Pentode: 90 Watts
Full Power - 45W - Pentode: 45 Watts
Full Power - 45W - Silicone Rectifier: 45 Watts
Full Power - 10W - Pentode: 10 Watts
But that leaves out some other combinations:
Full Power - 90W - Triode: 75 Watts?? (based on the Mark IV)
Full Power - 45W - Triode: 22.5 Watts?? (Based on the manual saying you lose half your headroom)
Full Power - 10W - Triode: ?? Watts (Does triode/pentode work in 10w?)
Full Power - 45W - Tube Rectifier: ?? Watts
And the respective Variac modes:
Variac Power - 90W - Pentode: ?? Watts
Variac Power - 90W - Triode: ?? Watts
Variac Power - 45W - Pentode: ?? Watts
Variac Power - 45W - Triode: ?? Watts
Variac Power - 45W - Silicone Rectifier: ?? Watts
Variac Power - 45W - Tube Rectifier: ?? Watts
Variac Power - 10W - Pentode: ?? Watts
Variac Power - 10W - Triode: ?? Watts
So does anyone happen to have any info about the possible power figures in the other modes? I started trying to check mainly on one mode: Channel 3 in Triode on 90W, since that's what a lot of people tend to prefer, and I was curious if it would drop down to 75 Watts to be suitable to use on a Fillmore 75 speaker. But now I'm just curious in general.
Mark IV:
Class A - Triode: 30W
Class A - Pentode: 50W
SimulClass - Triode: 70W
SimulClass - Pentode: 85W
Now, in the Mark V, the wattage mode switch controls this:
90W: SimulClass - Diode Rectifier
45W: "Extended" Class AB - Diode or Tube Rectifier
10W: Class A, single ended - Tube Rectifier
Presumably the front panel options were labelled in Full Power, Silicone Diode, and Pentode to get maximum values as such these:
Mark V
Full Power - 90W - Pentode: 90 Watts
Full Power - 45W - Pentode: 45 Watts
Full Power - 45W - Silicone Rectifier: 45 Watts
Full Power - 10W - Pentode: 10 Watts
But that leaves out some other combinations:
Full Power - 90W - Triode: 75 Watts?? (based on the Mark IV)
Full Power - 45W - Triode: 22.5 Watts?? (Based on the manual saying you lose half your headroom)
Full Power - 10W - Triode: ?? Watts (Does triode/pentode work in 10w?)
Full Power - 45W - Tube Rectifier: ?? Watts
And the respective Variac modes:
Variac Power - 90W - Pentode: ?? Watts
Variac Power - 90W - Triode: ?? Watts
Variac Power - 45W - Pentode: ?? Watts
Variac Power - 45W - Triode: ?? Watts
Variac Power - 45W - Silicone Rectifier: ?? Watts
Variac Power - 45W - Tube Rectifier: ?? Watts
Variac Power - 10W - Pentode: ?? Watts
Variac Power - 10W - Triode: ?? Watts
So does anyone happen to have any info about the possible power figures in the other modes? I started trying to check mainly on one mode: Channel 3 in Triode on 90W, since that's what a lot of people tend to prefer, and I was curious if it would drop down to 75 Watts to be suitable to use on a Fillmore 75 speaker. But now I'm just curious in general.
