M405D

M405d EXTENDED RANGE vu AND PEAK PROGRAM METER Range: 50 dBm to +30 dBm in or PPM readings dB steps for vu Input Selection: Pushbutton selects between two sources ADC PJ339A type jack on front panel provides direct input . Source mpedance 600 ohms or 150 ohms. Input mpedance: 600 ohms, 150 ohms or 20k ohms . Attenuator Tracking: +/ - 0.25 dB per step (non accumulative) Meter Ballistics: VU: Complies with ANSI C16.5 PPM: Complies with' BSI B54297 .

High Pass Filter: -3 dB at 250 Hz . -24 dB at 120 Hz . Frequency Response Metering: +/ - 0 .25 dB from 30 Hz to 15 kHz Monitoring Outputs: +/- 0.5 dB from 50 Hz to 10 kHz . Total Harmonic Distortion: Headset Output: Less than 1% , 50 Hz to 10 kHz (measured at any input level and at +24 dBm output level ) Speaker Output: Less than 1% , 50 Hz to 10 kHz (measured at any input level and at watts, ohms output level Noise: 40 dB below vu or PPM reference.

Output mpedance Headset Output: 150 ohms Speaker Output: ohms_ T-1

MLO5d EXTENDED RANGE vu AND PEAK PROGRAM METER Lozd Impedance: Headset Output: 600 ohms, balanced _ Speaker Output: ohms_ Output Level Headset Output: +8 dBm Gominal into or PPM reference) +24 dBm max 600 ohm load (for vu Speaker Output: watts into ohms max Power Requirements: 105 to 125 volts, 50/60 Hz . Dimensions: 19" wide (483 mm 10" deep 3-1/2" high.

254 mm 89 mm) Weight: 13 Ib. (6 kg. 1-2