Aphex 2020MK-lll Broadcast Processor





Aphex 2020MK-lll Broadcast Processor
aphex-2020mk-lll
Interacts intelligently with Multiband, to easily achieve desired loudness. Tight, punchy, abundant bass is unmatched. 2020Mklll is the only processor that holds voice equal in loudness to music program. Perfect pilot protection with no spurious output. Extended high frequencies & transients for a natural, open sound without harshness or edginess. Better sound and better coverage. Perfect Modulation - no need for composite clipping. Accurate, wide, stable stereo image. Proven Extended coverage.



Loudness vs Cleanliness Competition for loudness impacts audio quality. The 2020MkIII rewrites that formula through the utilization of 18 exclusive techniques (patented and patent pending) which increase density beyond any other processor while retaining naturalness and musicality.

Increased Coverage Another advantage of the 2020MkIII is the stability and purity of the signal, resulting in extended coverage in shadow areas.

Customize Your Own Sound The 2020MkIII comes with 8 sample presets that many will find perfect for their station's sound. Others will find these suitable as the starting point to completely customize a sonic signature from the vast palette of control over processing parameters.

Remote Control The Model 2020MkIII is totally controllable locally via the front panel controls or remotely via RS232 and modem. The newly improved Remote Software is Wintows™ 98/2000 compatible.

Presets, Day and Day of Week Parting The 2020MkIII has eight factory presets and 16 user definable presets. All operating parameters can be modified and saved in a user preset. Day parting can be programmed for up to 4 changes of presets per day. In addition, each day of the week can be programmed to have its own day parting schedule of presets.

Options - Buy only what you need! The basic unit has flat (no pre-emphasis) processing with analog I/O. Option 1 adds AES/EBU digital I/O. Option 2 adds a pre-emphasis limiter and low pass filter. Option 3 adds the pre-emphasis limiter, low pass filter and PPDM stereo generator. Option 4 adds an Ultra-precision oven-controlled crystal oscillator to option 3.

Other Applications POST PRODUCTION - Perfect packaging of your audio so the consumer hears the quality you put into your production. MASTERING - Get the hottest possible CD by utilizing your highest resolution without distortion. Won't wash out the punch and leading edge dynamics.

SPECIFICATIONS - Aphex 2020MkIII Audio Processor SPEC SHEET AVAILABLE AS PDF 267K AUDIO Internal Frequency Response ± 0.1 dB 1 Hz to 70 kHz Basic Pre-emphasis Accuracy ± 0.1 dB 20Hz to 15KHz disregarding any audio processing alterations THD (for all signals below clip threshold) Demodulated MPX output, 0dB 1KHz tone input, THD <0.05% 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. Stereo Output Noise (left or right channel) CHR Factory preset, 20Hz-20KHz measurement bandwidth ref 100% modulation = -70dB Mono Output Noise CHR Factory preset, 20Hz-20KHz measurement bandwidth ref 100% modulation = -71dB

Processing Peak Overshoot Less than 1.5% above 100% modulation System Stereo Separation Greater than 65dB 20Hz to 15KHz ANALOG AUDIO INPUT Configuration Left and Right Impedance 10K Ohms CMRR >70dB 50Hz - 20KHz Sensitivity -24dBu to +10dBu for nominal input level Maximum Input Level +27dBu 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 Type Transformerless, differential servo balanced with 4th order RF filter ANALOG AUDIO OUTPUT Configuration Left and right. Flat or pre-emphasized Source Impedance 62 Ohms electronically servo balanced Load Impedance 600 Ohms or greater balanced or unbalanced. Termination not required. Maximum Output Level +24dBu onto 600 ohms balanced 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. DIGITAL INPUT Configuration Two-channel AES/EBU standard. Pre-emphasized or non pre-emphasized. Sampling Rate 32, 44.1, and 48KHz auto detect and lock Connector XLR 3-Pin male EMI Suppressed. Pin 1 chassis ground, Pins 2 & 3 transformer balanced and floating Input Data Size 20-bits Input Frequency Response 1 to 20KHz +/- 0.1dB DIGITAL OUTPUT Configuration Two-channel AES/EBU standard Sampling Rate Input clock-slaved or independently selected at 32, 44.1, or 48KHz. Connector XLR 3-Pin Female EMI Suppressed. Pin 1 chassis ground, Pins 2 & 3 transformer balanced and floating Output Data Size 20-bits Output Frequency Response 1Hz to 20KHz +/- 0.1dB COMPOSITE BASEBAND OUTPUT Configuration Single output with output level control Source Impedance 10 ohms suitable to drive long or short coaxial cable Load Impedance 50 ohms or greater Output Level Adjustable from 0 to 13V peak-to-peak with multiturn output control Connector BNC, EMI Suppressed. Floating over chassis ground at RF frequencies. Max. recommended cable length 100ft RG58A/U or equivalent. Pilot Level Adjustable 7% to 11% mix Frequency Stability Pilot and subcarrier +/- 10ppm -50 to +80 deg C ambient Stereo Generator Technology Aphex patented Parallel Path Digital Modulation (PPDM) Pilot Phase Error 0 degrees guaranteed indefinitely by PPDM design Spurious Output better than -72dB above 55KHz, typical <-85dB Subcarrier Rejection better than -60dB Harmonic Distortion Better than 0.003% within stereo generator Intermodulation Distortion Better than 0.003% within stereo generator Frequency Response 1Hz to 15KHz +/1 0.1dB, -3dB at 0.159Hz and 15.5KHz REMOTE CONTROL INTERFACE Configuration RS232 standard serial port Connector DB-9 male Control capability All FM Pro functions and parameters Connectability Null modem cable to P.C. or modem cable to modem Modem Compatibility U.S. Robotics Sportster. For others check with factory

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