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AUDIO |
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Internal Frequency Response |
± 0.1 dB 1 Hz to 70 kHz |
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Basic Pre-emphasis Accuracy |
± 0.1 dB 20Hz to 15KHz disregarding any audio processing alterations |
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THD (for all signals below clip threshold) |
Demodulated MPX output, 0dB 1KHz tone input, THD <0.05% |
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Active Process Distortion
(typical worst case) |
Demodulated MPX output, 0dB 1KHz tone input, CHR factory preset, THD <0.5%
Note: This typifies peaks only, and not signals below clip threshold. |
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Stereo Output Noise
(left or right channel) |
CHR Factory preset, 20Hz-20KHz measurement bandwidth
ref 100% modulation = -70dB |
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Mono Output Noise |
CHR Factory preset, 20Hz-20KHz measurement bandwidth
ref 100% modulation = -71dB
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Processing Peak Overshoot |
Less than 1.5% above 100% modulation |
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System Stereo Separation |
Greater than 65dB 20Hz to 15KHz |
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ANALOG AUDIO INPUT |
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Configuration |
Left and Right |
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Impedance |
10K Ohms |
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CMRR |
>70dB 50Hz - 20KHz |
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Sensitivity |
-24dBu to +10dBu for nominal input level |
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Maximum Input Level |
+27dBu |
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Connector |
XLR 3-Pin Female EMI Suppressed. Pin 1 chassis ground, Pins 2 & 3 electronically balanced, floating and symmetrical. Pin 2 in in phase with multiplex and digital output |
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Type |
Transformerless, differential servo balanced with 4th order RF filter |
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ANALOG AUDIO OUTPUT |
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Configuration |
Left and right. Flat or pre-emphasized |
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Source Impedance |
62 Ohms electronically servo balanced |
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Load Impedance |
600 Ohms or greater balanced or unbalanced. Termination not required. |
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Maximum Output Level |
+24dBu onto 600 ohms balanced |
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Connector |
XLR 3-Pin male, EMI Suppressed. Pin 1 chassis ground, Pins 2 & 3 electronically balanced, floating and symmetrical. Pin 2 in in phase with multiplex and digital output. |
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DIGITAL INPUT |
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Configuration |
Two-channel AES/EBU standard. Pre-emphasized or non pre-emphasized. |
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Sampling Rate |
32, 44.1, and 48KHz auto detect and lock |
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Connector |
XLR 3-Pin male EMI Suppressed.
Pin 1 chassis ground, Pins 2 & 3 transformer balanced and floating |
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Input Data Size |
20-bits |
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Input Frequency Response |
1 to 20KHz +/- 0.1dB |
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DIGITAL OUTPUT |
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Configuration |
Two-channel AES/EBU standard |
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Sampling Rate |
Input clock-slaved or independently selected at 32, 44.1, or 48KHz. |
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Connector |
XLR 3-Pin Female EMI Suppressed. Pin 1 chassis ground, Pins 2 & 3 transformer balanced and floating |
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Output Data Size |
20-bits |
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Output Frequency Response |
1Hz to 20KHz +/- 0.1dB |
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COMPOSITE BASEBAND OUTPUT |
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Configuration |
Single output with output level control |
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Source Impedance |
10 ohms suitable to drive long or short coaxial cable |
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Load Impedance |
50 ohms or greater |
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Output Level |
Adjustable from 0 to 13V peak-to-peak with multiturn output control |
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Connector |
BNC, EMI Suppressed. Floating over chassis ground at RF frequencies. |
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Max. recommended cable length |
100ft RG58A/U or equivalent. |
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Pilot Level |
Adjustable 7% to 11% mix |
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Frequency Stability |
Pilot and subcarrier +/- 10ppm -50 to +80 deg C ambient |
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Stereo Generator Technology |
Aphex patented Parallel Path Digital Modulation (PPDM) |
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Pilot Phase Error |
0 degrees guaranteed indefinitely by PPDM design |
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Spurious Output |
better than -72dB above 55KHz, typical <-85dB |
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Subcarrier Rejection |
better than -60dB |
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Harmonic Distortion |
Better than 0.003% within stereo generator |
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Intermodulation Distortion |
Better than 0.003% within stereo generator |
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Frequency Response |
1Hz to 15KHz +/1 0.1dB, -3dB at 0.159Hz and 15.5KHz |
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REMOTE CONTROL INTERFACE |
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Configuration |
RS232 standard serial port |
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Connector |
DB-9 male |
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Control capability |
All FM Pro functions and parameters |
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Connectability |
Null modem cable to P.C. or modem cable to modem |
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Modem Compatibility |
U.S. Robotics Sportster. For others check with factory. |
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POWER |
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Line Voltage Input |
77 to 266VAC 50-1000Hz automatic (no selection required) |
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Power Requirements |
50 Watts |
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Safety Standards |
CE, UL, CSA, VDE |
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PHYSICAL |
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Front Panel Size |
Standard 2-RACK UNIT (3.5" vertical) 19-inch panel |
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Dimensions |
19"W x 3.5"H x 13.125" overall Depth (482.6mm x 88.9mm x 334mm)
allow for connectors and wire dress |
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ENVIRONMENTAL |
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Operating Temperature Range |
32-122 deg. F (0-50 deg C) |
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Humidity |
0 to 95% RH, non-condensing |
