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  • Imagine Communications APM-215

Imagine Communications APM-215

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Inputs A-B Balanced Analog Audio (XLR) (Left and Right)
Outputs 1-8 Balanced Analog Audio (DB-37)
(Left and Right) Loop-Through
Input Impedance >40k ohms balanced, A and B 600 ohms switch-selectable
Input Level for Maximum Output (Volume Full On) 0 dBv balanced
Input Overload +26 dBv balanced
Peak Acoustic Output (at 2 ft.) 98 dB SPL
Response, 6th Octave 80 Hz to 16 kHz ±7 dB (-10 dB @ 50 Hz and 22 kHz)
Power Output  
RMS Each Side 10 W transient/5 W continuous
RMS Bass 20 W transient/10 W continuous
Distortion, Electrical <0.15% at any level below limit threshold
Distortion, Acoustic 8% or less at worst case frequencies above 180 kHz including cabinet resonance; typically <2%
Hum and Noise -68 dB below full output
Magnetic Shielding <1 gauss any adjacent surface
Level Calibration -6, 0, +4, +8 dBv
Frequency Response 20 Hz to 18 kHz (± 0.5 dB)
Level Meter Type 10-Segment, 2 Tri-color LED bar graph
LED Color Tri-Color Red, green, and amber
Metering Range 23 dB (+16 dB to -49 dB)
Display Modes VU or PPM, Selectable
VU Characteristics  
Rise Time 300 ms to 99% of full indication
Fall Time 300 ms
PPM Characteristics  
Attack Time 10 ms
Decay Time 2 seconds, 0 to -20 dB
Power Consumption (Average Maximum) 35 W
AC Mains Input 100 to 240 V AC, 50 to 60 Hz
Dimensions (H x W x D) 1.75 x 19 x 12 in. (4.4 x 48.3 x 30.5 cm)
Weight 14 lbs (6.4 kg)
Operating Temperature 0° to 50° C
Storage Temperature -50° to 75° C
Humidity 90% maximum (non-condensing)
Standard Accessories Operation and service manual
VTM/TVM/ASM adapter cable 37-pin D-sub female to 37-pin D-sub female connector
US Power cord
37-pin D-sub, female


Stereo Audio Program Monitor

The APM-215 stereo audio program monitor provides superior audio fidelity from a sleek 1RU package. Designed for ease of integration with Imagine Communications®  state-of-the-art test and measurement instruments (including VTM Series™ multiformat monitors and TVM Series™ multiformat signal analyzers) via a looping input connection and provided 37-pin audio adapter cable, the APM-215 is an ideal multipurpose monitor.

■ Ten analog inputs, balanced
■ Two XLR input connectors, 50k ohms, balanced
■ Eight inputs via looping 37-pin D-sub connectors, 40k ohms, balanced
■ Direct connection adapter cable for easy installation with VTM Series, TVM Series, VTM-2000, or VTM-2400
■ Two 10-segment color bar graphs with selectable response (peak and average)
■ Four input reference level selections (-6, 0, +4, +8 dBv)
■ 98 dB SPL at two feet
■ Excellent high frequency response for positive detection of background whine and noise
■ Indication of phase/polarity problems
■ Stereo headphone jack, ¼ in.
■ Magnetic shielding for unrestricted installation location
■ 1RU (1.75 in.) rackmountable

The APM-215 monitor’s high-quality audio and low distortion are attained using a two-way speaker system with a wide volume control range with balance adjustment. Front-panel, direct-input mode switching allows the selection of stereo monitoring for up to 10 different channels. Two 10-segment, color LED bargraph meters are provided, as well as a phase indication LED. A front-panel headphone jack mutes the speaker output for isolated listening requirements.

Shielding permits use adjacent to waveform or picture monitors without magnetic interference, making the APM-215 ideally suited for use in remote vans, editing suites, VTR monitor bridges or any system that requires high-quality, professional aural monitoring of stereo audio signals.