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The beauty of the D-2500 Digital Graphic Equalizer is that it has 31 bands of real hands-on
faders as well as a stereo master gain control with fader, programmable delay, high and low
pass filters, noise gate, limiter, and enhancer. D-Class brings you the best digital performance
with the function and feel of true analog equipment
FEATURES:
Dual 31-band 1/3 octave channels
47mm front panel faders
Store up to 100 program settings
Programmable Delay, High/Low Pass, Gate, Limiter & more
24-bit audio resolution and sample rates up to 96kHz
Feedback Suppression
Linkable via MIDI or D?Net System Interface | PRICE WITHOUT V.A.T.
BSS Opal FCS-966 Constant Q Graphic Eq
Graphic equalisers are found in just about every sound application, from room contouring to feedback control and general audio sweetening.
Traditionally, much general eq'ing takes place on the faders alone, but this restricts the use of the faders at each end of the scale for further precision eq work. So we provided the Opal FCS-966 with separate LF and HF contour filters which can change an overall sound balance without disturbing a detailed room or loudspeaker response.
These filters are very musical gentle boost and cut shelving filters which can be used to add (or remove) room effects that change with temperature, audience numbers or humidity.
All these effects can be easily made without disturbing the critical fader settings already made.
Constant Q Filters
The modern generation of graphic eq's
uses the Constant Q topology, pioneered by BSS Audio, which means that the filter width is constant whatever the fader gain setting.
Compared to the earlier 'gyrator' style of filters, Constant Q filters provide a smoother and more predictable interaction between adjacent faders and the resulting eq curve more closely resembles the actual fader positions.
More Gain Control Per Filter
Each eq fader has +/-15dB of adjustable gain, more than many competitive graphic eq's. The faders are long-throw 45mm types for precision control.
High Pass Filter
Also provided on the FCS-966 is a sweepable high-pass filter which can be used very effectively to restrict the low-energy output for better amplifier and loudspeaker performance. Stage monitors also benefit from the application of a high-pass filter to remove bass signals e.g. from vocal-only wedges.
Metering
BSS Audio believes in providing engineers with information, and the FCS-966's 8-segment led meter shows output level and warns of signal clipping within the eq. When the unit is switched to bypass, the meter will read the input level, allowing accurate matching of the 'dry' and equalised signals using the gain control.
Centre Bypass
When any eq fader is in its centre detent position, the filter is automatically bypassed, for optimum performance.
Input/Outputs
All the inputs and outputs of the FCS-966 are electronically balanced, with optional transformer balancing. To make installation of the FCS-966 easier, we've provided three differerent interface connectors: XLR-type, 1/4" TRS jack and Phoenix/Combicon screw terminals.
Relay Bypass
The EQ IN buttons switch the EQ path
into circuit. When switched out, or power fails, a high-quality relay switches the input signal directly to the output connectors.
Control Descriptions
Faders
30 EQ filter faders on ISO centres, each with nominal +/-15dB of gain. Positive centre-detent on 45mm long-throw precision faders.
HP Filter
Sweepable high pass filter, frequency adjustable from OUT (flat) up to 250Hz.
LF Contour
Smooth shelving filter, +/-6dB of gain at 50Hz
HF Contour
Smooth shelving filter, +/-6dB of gain at 14kHz.
GAIN
Used for overall unity gain adjustment. Adjustable from - infinity to +10dB.
CLIP
Triple-point clip detector that indicates red when the internal signal is clipping at any one of three critical points.
LED Meter
Shows output signal level (input signal when eq is bypassed) from -24dBu to +18dBu in 8 steps. |
The Rane ME 15S microGraphic Equalizer is a two-channel, 2/3-octave design with 20 mm sliders in a single rack space unit. It features a Range switch for high slider resolution in the ±6 dB mode, equivalent resolution to 45 mm sliders found on the DEQ 60L. The ±12 dB mode provides a wide range of control over system audio.
The active filter sections feature Raneʼs innovative constant-Q (constant bandwidth) design. Constant-Q means the bandwidth of each individual filter is guaranteed to be narrow enough to prevent unwarranted interaction between filters, yet wide enough to produce exactly the type of correction curve demanded by even the most unusual acoustic surroundings. This differs dramatically from conventional designs of the past, encumbered with the unfortunate characteristic of changing bandwidth when changing boost/cut amounts.
Front panel controls and indicators include an overall rotary Level control for each channel as well as Overload indicators. Passive pushbutton Bypass switches feature LED indicators, avoiding ambiguity by being on when the unit is Bypassed. (A passive Bypass switch requires no power to operate. This allows completion of the audio path should power fail in the ME 15S.)
Inputs and Outputs are electronically balanced designs, capable of unbalanced operation when required. They accept and drive all possible signal levels into normal load impedances. Balanced applications choose between the XLR or 1/4" Tip-Ring-Sleeve connectors. Unbalanced sources also may tie to the ME 15S through mono 1/4" connectors (no ring connection).
Features - Constant-Q Bandwidth Design
- Overall Level Controls and Passive Bypass Switches
- 20 mm Filter Slide Controls with ±6 dB or ±12 dB Slider Range
- Infrasonic, Ultrasonic, & RFI Filters
- Balanced XLR and 1/4" TRS Inputs and Outputs
- Universal internal switching power supply (100-240 VAC)
| 1231 Dual 31-Band Graphic Equalizer
The dbx? 12 Series were designed to meet the needs of the most demanding sound reinforcement environments, while offering the simplicity of straightforward controls. The 1231 provides standard features like dual-channels, 31 1/3 octave bands, ISO frequency centers, +/- 12 dB input gain range, and switchable 40Hz/18 dB per octave low-cut filters, but also includes other insightful features. These include 45 mm faders; selectable +/-6dB or +/-15dB boost/cut range for precise gain adjustments; XLR, barrier strip, and 1/4'' TRS connectors for installation ease; balanced inputs and outputs for quiet operation; and chassis/signal ground lift capabilities for quick hum isolation. The visionary design of the dbx 12 Series makes your job easier.
The dbx 12 Series Equalizers were precision engineered to provide years of maintenance-free operation in any application. The magnetically isolated transformer, electronically balanced/unbalanced inputs and servo balanced/unbalanced outputs, RF-filtered inputs and outputs, and power-off hard-wire relay bypass with 2 second power up delay were steps our engineers took to ensure compatibility for all installations. Only the best components were utilized, yielding a 10Hz to 50kHz frequency response, greater than 90dB SNR (ref +4dBu), less than 0.005% THD +Noise (1kHz at +4dBu), and interchannel crosstalk of less than -80dB from 20Hz to 20kHz. All this attention to detail is contained in a 3U steel/aluminum chassis.
SPECIFICATIONS:
| INPUT |
| Connectors: |
1/4" TRS, female XLR (pin 2 hot), and barrier terminal strip |
| Type: |
Electronically balanced/unbalanced, RF filtered |
| Impedance: |
Balanced 40 kOhm, unbalanced 20 kOhm |
| Max Input Level: |
>+21dBu balanced or unbalanced |
| CMRR: |
>40dB, typically >55dB at 1kHz |
| OUTPUTS |
| Connectors: |
1/4" TRS, male XLR (pin 2 hot), and barrier terminal strip |
| Type: |
Impedance-balanaced/unbalanced, RF filtered |
| Impedance: |
Balanced 200 ohm, unbalanced 100 ohm |
| Max Output Level: |
>+21dBu balanced/unbalanced into 2 kOhm or greater
>+18dBm balanced/unbalanced (into 600 ohm) |
| SYSTEM PERFORMANCE |
| Bandwidth: |
20Hz to 20kHz, +0.5/-1dB |
| Frequency Response: |
50kHz, +0.5/-3dB |
|
+/-15dB range |
+/-6dB range |
| Dynamic Range: |
109dB |
115dB |
| Signal-to-Noise: |
90dB |
97dB |
| THD + Noise: |
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Phonic's GEQ3102F is the authentic soundman's choice of EQ - a dual channel 31-band equalizer, offering 6 or 12 dB of cut or boost on standard ISO center frequencies between 20 Hz and 20 KHz. The GEQ3102F is 2-rack space units high and accepts both 1/4" TRS phone jacks and XLR connectors, making it ideal for any studio or live venue setup.
- Sweepable high and low cut filters on each channel to remove unwanted frequencies
- Ultra low-noise audio operational amplifiers offer outstanding sound performance
- Relay-controlled hard-bypass with an auto-bypass function during power failure
- Dedicated subwoofer output with user-adjustable low-pass filter
- Feedback detection circuitry for indicating critical frequencies
- Balanced inputs and outputs with 1/4" TRS and XLR connectors
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iEQ-15 Dual 15-Band Graphic EQ with Type V? NR and AFS?
With an EQ heritage that has produced countless industry standard
patents and dates back more than 30 years, the dbx iEQ-31 easily
lives up to the dbx legacy of uncompromised sonic integrity. In
addition to unsurpassed equalization specs, the iEQ-15 also offers
the built-in necessities which include AFS? feedback Suppression,
Type V? noise reduction and PeakStopPlus? limiting. Besides
including two 15-band channels of 2/3-octave equalization, the iEQ-15
also offers +12 dB input gain range; switchable +6 or +15 dB boost/cut
range, 40mm faders, XLR, 1/4'' and Euroblock inputs and outputs,
nonconductive nylon sliders; and an intuitive user interface with comprehensive
output and gain reduction metering. As always, the inevitable result of our
meticulous attention to detail and top-quality componentry is exceptional
sound, performance, and reliability.
The iEQ series represents a major step forward in the performance of EQs.
The iEQ series is now able to offer state-of-the-art digital EQ performance
and specs with an analog look and feel. From its amazing 10Hz to 22kHz
frequency response, to its 113dB dynamic range and Advanced Feedback
Suppression (AFS?), dbx proprietary Type V? noise reduction
and PeakStopPlus? limiting, the iEQ-15 offers out of this world specifications
with a downto- earth price point. Sure to find a home in the studio, on tour and
with installed sound venues, the iEQ-15 is destined to take its rightful place in
the lineage of great dbx? signal processors that are the professional?s choice
in signal processing. With such pristine design and quality, the iEQ-15 offers
the maximum sonic flexibility in a straight forward interface and rock-solid construction.
? Advanced Feedback Suppression (AFS?)
? Type V? Noise Reduction
? PeakStopPlus? Limiting
? 2/3-octave Constant Q frequency bands
? Switchable boost/cut ranges of ±6 or ±15dB
? 18 dB per octave 40Hz low-cut filter
? ±12dB input gain range
? XLR, TRS and Euroblock Inputs and Outputs
? Internal Toroidal Transformer
? Frequency Response of 10Hz to 22kHz
? Dynamic range of greater than 113dB
? User Power Up Features
? Relay Bypass for Power Failure System Protection
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