Designed by engineers
for engineers, the ATI Pro 6 brings a new level of flexibility to any
sound reproduction system. The Pro 6 is superb in both the manipulation
of simple audio parameters and the creation of sophisticated, dramatic
effects.
The heart of the Pro 6 is a proprietary, padless, high voltage preamplifier
design whose sonic characteristics complement the most esoteric of microphone
selections. The Pro 6 is fitted with a fully parametric, four band equalizer
and switchable peaking and shelving on each band as well as 24 dB/octave
high and low pass filters.
Clearly the most unique feature of the Pro 6 is its patented, awarding
winning compressor. The unique design protects the sensitive high frequency
content of the audio signal even under the most vigorous of compression
ratios. Additional control is provided by a fully parametric noise gate/ducker
with up to 4 seconds of decay and available attenuation exceeding 60dB.
The two key filters define the bandwidth of the gate threshold and their
output can be monitored for audible tuning.
The gate and compressor control voltages may individually be linked for
Stereo operation or where multiple unit application is required. Additionally,
the external audio key inputs have separate jacks for each dynamics processing
device. Comprehensive metering of Audio In/Out, Gate Attenuation and Compression
is provided via three 10 segment LED ladders.
All switches used on the Pro 6 are gold plated, self cleaning and self
wiping. The potentiometers are rated for over 10,000 cycles and are high
track-ing. All resistors used in audio signal paths are 1% metalfilm.
The power supply is fully regulated and supplies ±20v to all audio
signal paths ensuring optimum headroom.
Pro6 Features:
- ATI's Signature High-Voltage Mic Preamp
- HIGH/LOW Pass Filters @ 24dB/Octave
- 4-Band Fully Parametric Equalizer with Peaking/Shelving on ALL bands
- ATI's Patented RMS Compressor
- Parametric Noise Gate/Ducker Including Sweep Key Filter and Key Listen
- Separate Aux Output with Level Control and Signal Source Selection
- Stereo Link Ability for Gate and Compressor Individually
- Separate Gate and Compressor External Audio Trigger Inputs
- Extensive Metering of Audio In/Out, Gate and Compressor
- Fully Balanced Inputs & Outputs
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Technical
Specs
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| Frequency
Response: +0/–1 dB, 10Hz–100kHz (or as defined by HP/LP filters) |
High/Low
Pass Filters: 10Hz–320Hz HPF 1.2kHz–40kHz LPF 4th order, 24dB/Octave Modified Bessel |
| Gain Structure: 20dB headroom throughout THD: 0.008%, 20Hz–20kHz, at +4dBm Clipping Level – All Stages: +24dBm Total Voltage Gain: 75 dB at Aux Out |
Compressor/Limiter: RMS Level Detection Hard/Soft Knee selection Threshold: –40dBm to +10dBm Ratio: 1:1 to 10:1 Gain: 0 dB to +20 dB Gain Reduction Display, 20 dB range |
| Hum
and Noise: (20kHz Bandwidth) –132 dBm E.I.N. (shorted input) –129 dBm E.I.N. (150 ohm source) –90 dBm residual output noise |
EQ: 4 Band Parametric, all Peak/Shelf type LF: 30Hz–480Hz LM:150Hz–2.4kHz HM: 500Hz–8kHz HF: 1KHz–16kHz Infinite Headroom in filter stages True Linear dB scale for cut/boost Ultra Low Noise/Low Distortion Maximum cut/boost ±15 dB Variable Q from 0.3 to 3 Octaves |
| Input Preamp/Trim
Control: Proprietary High Voltage Preamp Adjustable Gain 0–65dB, single control (no pad required) 41 Position Detented level control Constant Input Impedance: 4K ohms THD 0.005% at all levels and gains CMR >80 dB, no trimming required RMS level display –30 dB range Phantom Power +48 volts |
Noise Gate/
Ducker: Key Filters: HP/LP 24dB/Oct.,50Hz to 8kHz (filters may be cued) Threshold: –40dBm to +10dBm Attenuation Depth: 0 to 60 dB Attack Time: 10uS to 100mS Hold Time: 4mS to 4S Decay Time: 4mS to 4S Gain Reduction Display –60 dB range |
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General/Physical
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BACK TO: INTRO Pg. 1, 2, 3; "The Rack"
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