Update - Oct 2013
Cases to Manufacturing
MPAG-1D
Diode biased cathode all tube mic/direct preamplifier
Multiple operational plate voltages of ~200V and ~280V
Cinemag input and output transformers
4 valves with front loading for tube rolling
Clean sound with even or/and odd order harmonics
Varipad* input control - variable input attenuation to place the vavle into desired operational state reguardless of input levels.
Tripen* valve control- variable triode/pentode operation
Point to Point hand constructed - available in boutique quantities
DIY schematics and instructions to follow.
MPAG-1R
Resistor biased cathode all tube mic/direct preamplifier
Multiple operational plate voltages of ~200V and ~280V
Cinemag input and output transformers
3 valves with front loading for tube rolling
Warm to Gritty sound with even or/and odd order harmonics and ability to push into saturation
Varipad* output control - variable output attenuation to drive output transformer and tubes into saturation.
Tripen* valve control- variable triode/pentode operation
Point to Point hand constructed - available in boutique quantities
DIY schematics and instructions to follow.
* Varipad and Tripen are trademarks of Mark-O-Matic LLC