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The DPR-402 is a 2-channel compressor/limiter, high frequency de-esser and wide band de-esser with peak limiting, adjustable speed, dynamics program manipulation, and full LED metering for both input and output. Integrated side-chain and gain reduction metering allow for continuous dynamic activity monitoring. Auto mode provides program dependant attack and release control. |
In today's recording and sound reinforcement environments, the need for multiple channels of high quality, easy to use compression is growing rapidly. The new dbx® 1046 is designed to provide the audio professional with just that: 4 channels of great sounding dbx compression for a variety of applications. Incorporating the industry standard dbx designs and the latest available manufacturing techniques, the dbx 1046 provides pristine sonic quality with that classic dbx sound.
The 1046 provides 4 channels of smooth classic dbx OverEasy® or Hard Knee compression that are perfectly suited for use on individual tracks of your multitrack recorder, and in virtually all applications the separate channels can be individually interfaced and used for entirely independent purposes. Additionally the newly developed PeakStopPlus™ is ideal for protecting your system from the oppressive peaks that can take out valuable drivers in your sound reinforcement rig or studio monitors.
All four channels have the following controls:
Threshold - allows you to set the level at which the compressor starts affecting the gain
OverEasy - allows you to select between soft compression for overall gain control or Hard Knee compression based on the characteristics of the original dbx 160.
Ratio - allows you to set the slope of gain reduction affecting the signal over the threshold level.
Input/Output Meter - allows you to set the meter to check the input and output levels for maximum signal-to-noise ratio and best level matching.
Output Gain - allows you to add make-up gain or to adjust the output level for that channel to match the next device's input gain.
Bypass - hard wire bypass allows you to hear how the compressor is affecting your signal.
PeakStopPlus - allows you to set the maximum signal level you want to pass through this channel. While it's virtually impossible to eliminate distortion, the PeakStopPlus circuit does it gracefully and effectively with minimal distortion.
Stereo Link - allows you to link channels 1&2 and 3&4 for two channels of true stereo compression.
All four channels feature balanced gold plated XLR and 1/4" inputs and outputs, and switchable +4dBu or -10dBV operating level to interface each individual channel with any other device.
So whether you need to control the level, placement in the mix, or overall characteristics of 4 independent signals or control the gain leveling on a couple of stereo pairs, the dbx 1046 is for you.
- Four independent channels of operation, stereo linkable in two pairs
- PeakStopPlus™ limiting control for setting maximum allowable level regardless of compressor settings
- Independent Threshold and ratio controls
- Switchable OverEasy® or Hard Knee compression
- Classic dbx® compression
- Differentially balanced gold-plated XLR and 1/4" inputs and outputs
- True RMS level detection
- Precision metering of input level, output level, and gain reduction
- Dual True stereo or quad mono operation
- Switchable +4dBu or -10dBV operation per channel
Input Connectors | XLR and 1/4" TRS (Pin 2 and tip hot) | Input Type | Electronically balanced/unbalanced, RF filtered | Input Impedance | Balanced > 40 kOhm, unbalanced >20 kOhm | Max Input | > +22 dBu balanced or unbalanced | CMRR | Typically >50 dB at 1 kHz | Output Connectors | XLR and 1/4" TRS (Pin 2 and tip hot) | Output Type | Servo-balanced/unbalanced, RF filtered | Output Impedance | Balanced 30 Ohm, unbalanced 15 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 90kHz, +0/-3 dB | Noise | | Dynamic Range | > 118 dB, unweighted | THD+Noise | >0.008% typical at +4 dBu (1 kHz unity gain), 0.08% typical at +20 dBu (1 kHz unity gain), | IMD | | Interchannel Crosstalk | | Stereo Coupling | True RMS Power Summing | Compressor Threshold Range | -40 dBu to +20 dBu | Compressor Ratio | 1:1 to infinity:1 | Compressor Threshold Characteristic | Selectable OverEasy® or hard knee | Compressor Attack/Release Characteristic | AutoDynamic™ | Compressor Attack Time | Program-dependent | Compressor Release Time | Program-dependent | Compressor Output Gain | -20 to +20 dB | Limiter Threshold Range | 0 dBu to +24 dBu (off) | Limiter Ratio | infinity:1 | Limiter Type | PeakStopPlus® two-stage limiter | Limiter Stage 1 | PeakStop® brickwall limiter | Limiter Stage 1 Attack Time | Zero | Limiter Stage 1 Release Time | Zero | Limiter Stage 2 | Predictive intelligent program limiter | Limiter Stage 2 Attack Time | Program-dependent | Limiter Stage 2 Release Time | Program-dependent | OverEasy® Switch | Activates the OverEasy compression function | I/O Meter Switch | Switches between monitoring input and output levels on the Input/Output Level meter | Bypass Switch | Activates the direct input-to-output hard-wire bypass | Operating Level Switch | (rear panel) Switches the nominal operating level between -10 dBV and +4 dBu simultaneously for both input and output levels | ST Link Switch | Links channels in stereo pairs. Channels One and Three become the master channels | Gain Reduction Meter | 8 segment LED bar graph at 1, 3, 6, 10, 15, 20, 25, and 30 dB | I/O Meter | 8-segment LED bar graph at -24, -18, -12, -6, 0, +6, +12, and +18 dBu | PeakStop™ Indicator | 1 LED to indicate PeakStop™ limiting | Function Switches | LED indicator for each front-panel switch | Output Transformer Options | Jensen® JT-123-dbx or JT- 11-dbx, BCI RE- 123-dbx or RE-11-dbx | Operating Voltage | Switchable:100-120 VAC 50-60 Hz or 200-240 VAC 50/60 Hz | Power Consumption | 20 Watts | Fuse | 100-120 VAC:250 mA Slow Blow, 200-240 VAC:125 mA Type T | Power Connector | IEC receptacle | Dimensions | 1.75“Hx19“Wx9“D (4.4cmx48.3cmx20.1cm) | Unit Weight | 5.2 lbs. (2.4 kg) | Shipping Weight | 7.6 lbs. (3.5 kg) |
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The DPR-504 is a 4-channel noise gate.
Each channel features: A parametric key filter with key filter listening. Simultaneous key level and threshold metering with average and peak metering. A gate status LED. A RELEASE/HOLD control (hold tracks proportionally with release times). Attack switchable auto/fast (auto tracks signal dynamics for optimum setting). Link (links two channels together). Key source allows external triggers.
The Range switch selects between 7OdB and 2OdB gating depth to provide alternative release profiles. The unit features electronically balanced inputs and outputs. |
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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The AD2055 combines 100% discrete, pure class A signal amplifiers with state-of-
the-art passive and active filter topologies. The AD2055's unique circuitry delivers
very high resolution transient detail at the operational extremes of real world equalization
demands. The AD2055 auto-bias DC servo loop control eliminates the need for all
interstage capacitor coupling. The AD2055 breathes life into all musical performances!
AD2055 FEATURES
Pure Class A, 100% discrete design
Smooth musical detail and sonic excellence
Minimum audio signal path
Dual mono operation
Transparent active and passive filter design
High headroom +30dB Very low noise -94dB
Fully balanced inputs and outputs
DC coupled, no transformers in audio path
Switched frequencies in high and low bands
Mid bands use X10 frequency for extended range
Wide bandwidth -3dB 1Hz to 450kHz
Low distortion less than 0.5% THD and IMD
All signal routing with sealed silver relays Conductive
plastic potentiometers for low noise
External 150W toroidal power supply 100% discrete
power supplies for audio path
Long lasting, stainless steel hardware
SONIC EXCELLENCE
The Avalon AD2055 Pure Class A music equalizer is the most powerful, low noise
parametric equalizer available today. Designed to optimize absolute signal integrity
and musical performance, the AD2055 combines the best of active and passive filter
topologies with sonic excellence unequaled by lesser designs. The AD2055 is the
perfect solution for two buss music-program equalization, special instrument EQ and
FX applications and ultra high performance mastering studio's.
Features include state-of-the-art, balanced 100% discrete, Pure Class A signal amplifiers,
practical user features and rugged hardware designed to deliver true high performance
audio for many years.
PASSIVE-ACTIVE FILTER DESIGN
Avalon equalizers feature the unique combination of both active and passive filter EQ designs.
This special combination enables the AD2055 to deliver high speed transient detail at the
operational extremes of real-world equalization demands. The passive high and low bands offer
alternate musical tone range to the full function active parametric mid bands. Passive equalizers
have long been a favorite with music lovers around the world. Full bodied, powerful (up to +/-32dB,
64dB range !) and sweet frequency selections are the benefits of the passive high-low EQ bands.
The full bandwidth twin mid bands provide variable frequency selection (X10 frequency multipliers
for very wide range), variable Q (width) and amplitude control.
MINIMUM SIGNAL PATH DESIGN
Avalon's advanced true symmetry design offers high-voltage, large headroom, extended bandwidth
and very low noise. The use of 100% discrete, Pure Class A signal amplifiers give the serious music
professional unlimited sonic character and a natural harmonic detail that enhances the program
material and becomes one with the music itself. The Avalon AD2055 breathes life!
AD2055 SPECIFICATIONS
Circuit Topology High-voltage 100% discrete, balanced and symmetrical
Class A
Output Gain Range Unity Gain
Maximum Input Level +30dB balanced XLR pin 2 hot
Maximum Output Level +32dB balanced 600 ohms, DC coupled, high-current
discrete Class A
Input / Output Type XLR type, pin 2 hot balanced
Noise 20kHz Unweighted -94dB (EQ in)
Distortion THD, IMD 0.5% (typical 0.05% at +6dB 1kHz)
Frequency Response -3dB 1Hz to 450kHz (input band limited)
Equalizer Type Passive high and low bands plus two fully parametric mid
bands
Bypass Hard-wire relay bypass for equalizer in-out
Low Band F1 Passive, amplitude to -32dB to +32dB shelf or peak-dip curve
F1 Frequency Range Switched 10 position 18Hz, 25, 30, 50, 72, 100, 150, 215,
300, 450Hz
Mid Band F2 Active, amplitude to -16dB to +16dB peak-dip curve
F2 Frequency Range Variable 35Hz to 450Hz (x10) 350Hz to 4k5Hz, Q (width)
0.3 to 3.0
Mid Band F3 Active, amplitude to -16dB to +16dB peak-dip curve
F3 Frequency Range Variable 160Hz to 2k0Hz (x10) 1k6Hz to 20kHz, Q (width)
0.3 to 3.0
High Band F4 Passive, amplitude to -26dB to +26dB shelf or peak-dip curve
F4 Frequency Range Switched 10 position 1k5Hz, 2k5, 3k5, 5k, 7k2, 10k, 12k5,
15k, 20k, 25kHz
AC-DC Power External AC supply, 150w toroidal transformer, 4 pin cable 90v
isolated,
(B2T Power Supply Included) 100-240v selectable 50/60Hz, 150w max
Dimensions 19 x 3.5 x 12 in (482 x 88 x 305mm)
Shipping weight 30lbs (13.6 kg)
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GENERAL DATA
Power Supply 220 / 110V 25 VA
Dimension 434x351x44mm (1 rack unit)
Weight » 4 Kg
MEETING INTERFACE IN / OUT
Connector DB 9 female
Nominal in / out audio level 0 dBm
Input impedance 600 W / 10 KW (selectable)
Output impedance 100 W
* nominal line level: - 6 dBm
** it can vary depending on characteristics of telephone line
All measurements are intended at 1 kHz.
AUDIO PROGRAM IN / OUT
Connectors XLR, electr. balanced
Input impedance 600 W / 10K W (selectable)
Output level * - ¥ ¸ + 16 dBm
Output impedance 100 W
Noise on Receive output
2-Wire separation £ 25 dB**
4-Wire separation £ 70 dB
2-WIRE SECTION
Connector RJ11
Nominal input level - 6 dBm
Nominal output level - 6 dBm
Compensation mode Electronic, transf. decoupled
Impedance 600 W
4-WIRE SECTION
Connector Terminal block
Impedance 600 W
Nominal TX level 0 dBm
Nominal RX level 0 dBm
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