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DBMax is a Level Maximizer and Audio Enhancement processor for use in digital transmission, linking, webcast and radio STL applications. High resolution and high sample rate processing prevents unwanted distortion and listening fatigue from being generated, artifacts often associated with comparable processors. The 5-band section in DBMax can be combined with Automatic Gain Control, Dynamic and Static Stereo Enhancement, Dynamic and Static Eq and other tools for maximizing audio impact and creating a signature sound. Balanced and unbalanced AES/EBU I/O is standard, and outputs are always active. Sample rate conversion can be invoked when using digital inputs. Analog I/O is standard and outputs are always active. The 24 bit converters are scaled in the analog domain, with scaling under preset control, to minimize noise and maximize headroom under all operating conditions. DBMax can be remotely controlled using GPI or RS485 serial inputs.
Main Features
Maximum Level Maintain maximum level and simultaneously eliminate overshoots. Maximum efficiency: 5-band compression Limiting: Sample accurate, distortion reduced Limiter Multi Slope: Add gain at mid-levels without squashing the transients Optimum Quality The DBMAX employ precise calculations at a full processing rate, in order to keep aliasing distortion low and audio bandwidth high.
Audio quality has been our primary concern when designing the DBMax ? hence you can even cascade several units without any sonic penalties. Bandwidth: Processing at up to 48kHz sample rate for 24kHz audio Resolution: Processing of all 24bits of an AES/EBU Digital signal A/D-D/A converters: 24bit resolution with analog pre-scaling Output Formats AES/EBU, S/PDIF and Analog outputs are all active simultaneously. Digital outputs may be dithered to resolutions between 8 and 24bits. Analog and Digital outputs may have emphasis applied individually. Gain Transfer Example of gain transfer and parameters using DBMax. Presets The DBMax comes loaded with 60 presets for a variety of different applications. DBMax Internal Structure Four selectable Insert algorithms surround the multi-band structure. The digital output fader may be remotely set via voltage control. |
The Avalon VT-737SP features a combination of TUBE preamplifiers, opto-compressor,sweep equalizer, output level and VU metering in a 2U space. PREAMPLIFIER The VT-737SP has three input selections: 1. The VT-737SP features a higher-performance microphone input transformer with +48v phantom selection. 2. Instrument DI high source input with jack located on front panel. 3. Balanced line input, discrete high-level Class A. The Class A preamplifier utilizes two cascaded, dual vacuum tube triodes configured with minimum negative feedback. A high gain switch boosts the overall gain of the preamplifier. The four high quality tubes are configured as singled ended anode coupled followers. A passive-variable high pass filter and hard-wire relay bypass completes the input signal conditioning. The phase reverse relay is available on all three inputs. OPTO-COMPRESSOR The opto-compressor features a minimum signal path design with twin Class A vacuum tube triodes for gain matching. The optical attenuator acts as a simple passive level controller. Full dynamic control from soft compression to hard- knee limiting can be achieved with threshold, ratio-compression, attack and release controls plus gain reduction selection on the large VU meter. Special spectral control including de-ess is available with the dual sweep mid EQ to side- chain switch. The EQ section can be flipped pre or post the opto-compressor via a front panel switch for alternate effects and tone shaping. Two VT-737SPs can be linked via a rear panel link cable for stereo tracking. The compressor bypass is a sealed silver relay for the most direct signal path. SWEEP-EQUALIZER AND OUTPUT LEVEL The VT-737SP equalizer utilizes 100% discrete, Class A-high-voltage transistors for optimum sonic performance. The high and low frequency bands provide the smooth characteristics of an all passive design, while the dual mid bands include variable frequency and switched Q-width selection. The enhanced range of the mid bands is extended into the high and low bands by the use of X10 frequency multipliers. The bypass switch incorporates a sealed silver relay for the most direct signal path. When the EQ to sidechain is engaged, the high-low EQ remains in the audio path for "tone enhancement“. The output level control provides a variable control of the overall signal path. The output amplifier utilizes another dual triode vacuum tube driving a 100% discrete, Class A, high-current, balanced and DC coupled low noise output amplifier. AVALON VT-737SP FEATURES Vacuum tube triode signal path, transformer balanced microphone input, high-voltage circuits for maximum headroom to +30dB, low noise -92dB, internal discrete power supply with toroidal transformer, soft-start tube life extender, stereo link for compressors, all discrete Class A equalizer with musical passive filter design, sealed silver relays for signal routing, large control knobs with professional conductive plastic potentiometers, VU meter for output level monitoring and compressor gain reduction. VT-737SP SPECIFICATIONS Circuit topology Four dual triode vacuum tubes (Sovtek 6922), high-voltage discrete Class A Gain Range Microphone: Transformer balanced 850/2500 ohm, 0dB to +58dB Instrument: Unbalanced 1 meg ohm, 0dB to+30dB Line: Balanced Class A 20k ohms, -27dB to 28dB Maximum input level and connector types Microphone26dB@25Hz, +30dB@1kHz balanced XLR Instrument+30dB unbalanced front panel jack socket Line +36dB balanced XLR Maximum output level +30dB balanced 600 ohms, DC coupled, discrete Class A Output type and gain XLR connector, output trim gain -45dB to20dB Noise 20kHz unweighted -92dB Noise microphone EIN -116dB, 22Hz to 22kHz unweighted Distortion THD, IMD 0.5% Frequency response -/2.5dB 10Hz to 120kHz input filter included Frequency response -3dB 1Hz to 200kHz line in-out VU meter and gain reduction High quality illuminated OVU =+4dB and gain reduction to -20dB High cut filter Variable 6dB per octave 30Hz to 140Hz Compressor type Optical passive attenuator incorporating twin vacuum tubes and stereo link Threshold - Ratio Threshold variable -30dB to +20dB, ratio-compression variable 1:1 to 20:1 Attack - Release Attack variable 2mS to 200mS, release variable 100mS to 5 seconds Equalizer type Discrete Class A, variable active and switched passive design Frequency bands (4) Treble - switched 10kHz, 15kHz, 20kHz, 32kHz, +/- 20dB range, shelf High mid - variable 200Hz to 2k8Hz and 2kHz to 28kHz, +/- 16dB range, hi-lo Q Low mid - variable 30Hz to 450Hz and 300Hz to 4k5Hz, +/- 16dB range, hi-lo Q Bass - switched 15Hz, 30Hz, 60Hz, 150Hz, +/- 24dB range, shelf AC power Internal toroidal 100v to 240v, 50-60Hz selectable, 75 watts maximum Dimensions 19 x 12 x 3.5 in (482 x 305 x 89mm) Weight 22lbs (10kg) Dimensions-shipping carton 21 x 18 x 8 in (533 x 457 x 203mm) Weight-packed 26lbs (11.8kg)
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Automatic Feedback Destroyer with Integrated Microphone Preamp, Delay Line, Noise Gate and Compressor
High performance single channel Feedback Destroyer with integrated microphone preamp, delay line, noise gate and compressor
Automatically and "intelligently" locates and destroys up to 8 feedback frequencies
Narrow FBQ filters for extremely effective feedback suppression, while keeping highest sonic quality
Ultra-low noise Mic/Line input with Gain control and +48 V phantom power
Delay line with up to 2.5 seconds of delay, adjustable in meters, feet and msec
Noise gate with automatic and manual parameter settings
Automatic compressor with variable density
Subsonic filter with adjustable cut-off frequency
Balanced inputs and servo-balanced outputs with ¼'' TRS and gold-plated XLR connectors
High-quality components and exceptionally rugged construction ensure long life
Conceived and designed by BEHRINGER Germany |
Interactive Reference-Class 2-Channel Expander/Gate/Compressor/ Peak Limiter with
Integrated De-Esser, Dynamic Enhancer, Tube Simulation and Low Contour Filter
Whether you?re recording, mixing or mastering, the COMPOSER PRO-XL MDX2600
gives you total dynamic control. It includes all of the features you would expect from
a reference class compressor?plus a voice-adaptive de-esser, a new dynamic
enhancer, authentic tube emulation and much more. These are some of the indispensable
tools for producing clean, consistent audio with virtually no loss in signal quality.
Features:
Switchable IKA (Interactive Knee Adaptation) program-adaptive compression circuitry
combines the advantages of hard-knee and soft-knee characteristics
Integrated de-esser with switchable male/female voice recognition removes excessive
sibilance from your vocal tracks
IGC (Interactive Gain Control) peak limiting circuitry combines clipper and program
limiter for reliable and inaudible protection against signal peaks
Switchable dynamic enhancer for brilliant, lively audio even with heavy compression
IRC (Interactive Ratio Control) expander/gate circuitry for virtually inaudible
noise suppression
Switchable tube simulation for the extra warmth and transparency of classic
tube circuitry
Automatically or manually adjustable attack and release times
Switchable low contour filter prevents "pumping" due to low-frequency
dominated compression
Stereo couple function with independent output level settings
Switchable side chain input with side chain monitor function
Ultra low-noise 4580 operational amplifiers and state-of-the-art THAT¬ VCA's
Separate 12-segment LED meters for input/output levels and gain reduction
Dedicated "traffic light" threshold and de-esser level displays
High-quality detented ALPS¬ potentiometers and illuminated switches
Servo-balanced inputs and outputs with ? in. TRS and gold-plated XLR
connectors
Relay-controlled hard bypass switch with auto bypass function in case
of power failure
Manufactured under ISO9000 certified management system
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The latest addition to the 10 Series product line, the dbx® 1074 QuadGate™, is the perfect companion to the 1066 and 1046. The 1074 offers 4 channels of gating with threshold, depth and release controls on each channel. The 1074, like the rest of the products in dbx 10 Series, is based on the legendary dbx V2 VCA and offers XLR inputs and outputs, and 1/4” side-chain input. In addition to an external key input per channel, the 1074 also has an internal filter that can be independently activated and controlled on a channel-per-channel basis. This filter allows the 1074 to not only clean up tracks, but gives you frequency selective control on each gate, to open exactly when you want it to. These features combined, make the 1074 an absolute must for those who require quad gating on applications including: Gating dry and percussive sounds such as snare drum and kick drum,gating sounds that have longer decay times such as cymbals and Pianos, gating hum or buzz from live instruments or recorded tracks or eliminating Headphone leakage into microphones. Gating instrument microphones to eliminate amplifier bleed.
From the company that has been redefining the standard of signal processing for more than 30 years, dbx® Professional Products comes a bulletproof product that caters to the scrutinizing needs of those who require the precision noise gating capabilities. Once again, the engineering staff at dbx® Professional Products have taken technology that has been over three decades in the making and have created a product that is flexible, versatile and rock solid in construction design. The 1074ʼs independent channel design with key filtering capabilities make it the perfect tool for countless applications.
- Four independent channels of gating
- Independent key filtering
- Independent Threshold and Release controls
- Differentially balanced gold-plated XLR and 1/4" inputs and outputs
- True RMS level detection
- Stereo Coupling mode
- Switchable +4dBu or -10dBv operation per channel
Input Connectors | XLR (Pin 2 and tip hot) | Input Type | Electronically balanced/unbalanced, RF filtered | Input Impedance | Balanced > 50 kOhm, unbalanced >25 kOhm | Max Input | > +22 dBu balanced or unbalanced | CMRR | 40dB: Typically >55 dB at 1 kHz | Key Input | Electronically balanced/unbalanced, RF fitered Balanced 50kOhm, unbalanced > 25 kOhm | Output Connectors | XLR (Pin 2 hot) | Output Type | Servo-balanced/unbalanced, RF filtered | Output Impedance | Balanced 60 Ohm, unbalanced 30 Ohm | Max Output | > +22 dBm balanced, > +20 dBm unbalanced | Bandwidth | 20 Hz to 20 kHz, +0/-0.5 dB | Frequency Response | 0.35 Hz to 200 kHz, +0/-3 dB | Noise | | Dynamic Range | > 115 dB, unweighted | THD+Noise | 0.008% typical at +4 dBu (1 kHz unity gain), 0.08% typical at +20 dBu (1 kHz unity gain), | Interchannel Crosstalk | | Stereo Coupling | True RMS Power Summing | Operating Voltage | 100-120 VAC 50-60 Hz or 200-240 VAC 50/60 Hz | Power Consumption | 30 Watts | Fuse | 100-120 VAC:250 mA Slow Blow, 200-240 VAC:125 mA Type T | Power Connector | IEC receptacle | Unit Weight | 6.9 lbs. | Shipping Weight | 9.3 lbs. |
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Shure DP11EQE Dynamics Processor Specification:
GENERAL:
Frequency Response: 20 to 20k Hz +/- 1.0 dB re 1 kHz
Dynamic Range: 104 dB minimum, A-weighted, 20 Hz to 20 kHz
Sampling Rate: 48 kHz
Digital-to-Analog, Analog-to-Digital Conversion: 20 bit resolution
Voltage Gain:
1 dB +/- 1dB (power off)
12 dB +/- 2 dB (input 10 dBV, output +4 dBu)
12 dB +/- 2 dB (input +4 dBu, output 10 dBv)
0 dB +/- 2 dB (equal input and output sensitivities)
Impedance:
Input: 47 kilohms +/- 20% actual
Output: 120 ohms +/- 20% actual
Input Clipping Level
+18 dBu minimum (at +4 dBu setting)
+6 dBV minimum (at 10 dBV setting)
Output Clipping Level
+18 dBu minimum (at +4 dBu setting)
+6 dBV minimum (at 10 dBV setting)
Total Harmonic Distortion
LED Signal Indicators
Signal: 40 dB
Clip: 6 dB down from input clipping
Propagation Delay from Input to Ouput
0.8 ms (all filters flat, no dynamics processing, 0 ms delay), up to 2.1 ms (all processing enabled)
Polarity
Input to output: inverting optional (default: non-inverting)
XLR: pin 2 positive with respect to pin 3
1/4-inch TRS: tip positive with respect to ring
Operating Voltage
DP11EQ: 120 Vac, 50/60 Hz, 50 mA max
DP11EQE: 230 Vac, 50/60 Hz, 25 mA max
DP11EQJ: 100 Vac, 50/60 Hz, 50 mA max
Temperature Range
Operating: 0 degrees to 60 degrees C (32 degrees to 140 degrees F)
Fuse
DP11EQ: 120 Vac. Fuse: 100 mA, 250V time delay
DP11EQE: 230 Vac. Fuse: 50 mA, 250 V time delay
DP11EQJ: 100 Vac. Fuse: 100 mA, 250 V time delay
Dimensions
219 mm x 137 mm x 44 mm (8-5/8 in x 5-3/8 in x 1-3/4 in)
Weight: 930 g (2.05 lbs)
DYNAMICS PROCESSOR
Gate and Expander:
Threshold: 72 to 1 dB, 0.5 dB resolution
Attack: 1.0 to 200 ms
Decay: 0.05 to 1 second
Gate Hold Time: 0 to 0.5 seconds
AGC Leveler
Threshold: 72 to 1 dB, 0.5 dB resolution
Attack: 0.2 to 3 seconds
Decay: 0.5 to 5 seconds
Hinge: Threshold to 1 dB, 0.5 dB resolution
Compressor and Limiter
Threshold: 72 to 1 dB, 0.5 dB resolution
Attack: 1.0 to 200 ms
Decay: 0.05 to 1 second
Knee: Hard or Soft selectable
No Overshoot Peak Limiter
Propagation delay: 1 ms
Threshold: 72 to 1 dB, 0.5 dB resolution
Attack: 0 msDecay: 100 ms
PARAMETRIC EQUALIZER
Parametric Filter Frequency Bands
Up to 9 bands, variable frequency, variable Q
Boost/Cut Range
+6 dB to 18 dB per band
Q Range
1/40-octave to 2 octave
High and Low Shelf/Cut Filters
Shelf, +6 to 18 dB per filter
Cut, 12 dB per octave nominal
DELAY
Up to 1.3 seconds, 21 microsecond resolution
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