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15 : 4.8. Metering
Metering are divided in two parts, one regarding IpalMod amplifier and one regarding the M-Force and loudspeaker volume.
Where is present, the red line indicates the threshold level in according with respective limiter.
15 : 4.8.1. IpalMod metering
Input (V
) – Input peak voltage measured before input gain/attenuation processing: the meter therefore represents the
pk
signal level entering the system before any processing is performed.
Output Voltage (V
) – Output voltage peak level. The Limit red LED underneath the meter strip lights when the measured
pk
output voltage is being clipped to the system's maximum possible voltage level.
Output Voltage (V
) – Output voltage rms level. The Limit red LED underneath the meter strip lights when the meas-
rms
ured output voltage is being clipped to the system's maximum possible voltage level. Red line refers to Voltage RMS Limiter
threshold.
Output Current (A
) – Peak output current. The Limit red LED underneath the meter strip lights when the measured output
pk
peak current rises above the limit set in the current clamp threshold. Red line refers to Current Clamp threshold.
Output Current (A
) – Root mean square current value. The Limit red LED underneath the meter strip lights when the
rms
measured output average current exceeds the limit set in the current limiter threshold. Red line refers to Current Limiter
threshold.
Output Peak Power (VA
Output Avarange Power (W
measured average power rises above the limit set in the power limiter threshold section. Red line refers to Power Limiter
threshold, when Safe mode is engaged, threshold set to 20W.
15 : 4.8.2. M-Force metering
Excursion (mm
) – Peak estimated cone excursion with respect to the central resting position. The Limit red LED under-
pk
neath the meter strip lights when the estimated cone excursion goes beyond the limit set in the excursion limiter threshold
section. Red line refers to Excursion Limiter threshold.
Acoustic Pressure (g/cm2
Acoustic Power (W
awg
Impedance (Rayls) – Estimated average acoustic impedance.
Acoustic Efficiency (%
28 | IpalMod | User guide
) – Peak output power.
pk
) – Average output power. The Limit red LED underneath the meter strip lights when the
avg
) – Peak pressure level as measured by the pressure sensor.
pk
) – Estimated average acoustic power.
) – Estimated acoustic efficiency.
eta
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