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NOMAD
The Punch amplifiers use an analog computer process to maximize safe
output power under all operating conditions. Rockford Fosgate pio-
neered and developed RTP (Real Time Protection), a crucial element in
the performance edge of our amplifiers. The innovative NOMAD (NOn-
Multiplying Advanced Decision) system is the most sophisticated ver-
sion of this technique ever used, bringing previously unavailable levels
of accuracy, stability, temperature immunity and reliability to this
critical process. NOMAD makes advanced decisions based on device
voltages to precisely control the awesome levels of current available in
the output MOSFETs to safe values – but only when absolutely needed.
THE RESULT: Extremely fast protection system that always protects the
amplifier and never degrades the sound.
MOSFET Devices
Rockford Fosgate is one of the few manufacturers in the sound
community to utilize MOSFET devices in both the power supply and
the output stages . MOSFET (Metal Oxide Semiconductor Field Effect
Transistor) devices offer several important inherent advantages over
the 30 year old technology of bi-polar design. These advantages
include: thermal stability, switching speed, ultra low output imped-
ance and wider bandwidth linearity. In addition, MOSFETs operate
very similar to vacuum tubes in which they are more linear than
bipolar transistors. However, MOSFETs can deliver the midrange
clarity without the limitations of transient response and high fre-
quency phase shifting normally associated with tube operation.
THE RESULT: Operational characteristics similar to vacuum tubes
without the performance limitations of tube designs.
(NOn-Multiplying Advanced Decision)
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