M405F

MLosF EXTENDED RANGE vu METER Range: 50 dBm to +30 dBm in reading dB steps for vu Input Selection: Pushbutton selects between two sources ADC PJ339 type jack on front panel provides direct input. Source mpedance 600 ohms or 150 ohms _ Input mpedance 600 ohms, 150 ohms or 20k ohms floating Attenuator Tracking: +/ - 0.25 dB per step (non accumulative) Meter Ballistics: Complies with ANSI C16.5 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 reference Output mpedance Headset Output: 150 ohms.

Speaker Output: ohms max mum. Load Impedance Headset Output: 600 ohms, balanced Speaker Output: ohms_

M4O5F EXTENDED RANGE vu METER Output Levels: Headset Output: +8 dBm nominal into reference) +24 dBm max 600 ohm load for vu Speaker Output: watts into ohms max: Power Requirements 105 to 125 vol t5, 50/60 Hz 30 Va . Ambient Temperature: %c to 608c _ Dimensions: 19" wide (483 mm 10" deep 3-1/2" high. 254 mm 89 mm) Weight: 12 Ib _ (5.5 kg.) 1-2