| Content |
Features
New (Extended Resolution) long-throw faders for maximum control
and resolution, with integrated protective dust cover
New Sweepable High Pass filter 20-200Hz
Ultra low noise and accurate 'Constant Q' circuitry
Balanced Inputs and Outputs on XLR and Jack connectors
Switchable 6dB or 15dB cut and boost
Audio Ground lift switch on rear
Intuitive controls
User friendly layout
...and most of all, flawless performance in any audio environment
Sometimes a 10 band Graphic Equalizer isn't enough, but a 30 band EQ is overkill.
Well, for times like these, we've designed the ARX EQ215. It's a dual channel 15
band Graphic Equalizer built to the same exacting standards as our EQ260, but
designed especially for applications where the program material is predominantly
pre-recorded and pre-processed.
Typical applications are, for example, in DJ systems, Karaoke bars, home theatre,
project and budget studio control rooms, and home stereo systems
Delivering flawless professional performance, it takes up minimal rack space being
neatly housed in a compact 2 RU all steel chassis.
Quality you can feel as well as hear
On the EQ215 's front panel, each channel has 15 of our new Extended Resolution long
throw, centre grounding faders, switchable to either ±15dB or ±6dB, for the ideal combination
of high fader resolution and maximum cut and boost. A protective dust cover is also fitted
to each fader.
As well, there is a Gain recovery control with up to +10 dB of gain; a Clip LED to indicate
circuit overload, a sweepable 20-200Hz High Pass filter, and an IN/OUT hardwire bypass
switch which removes the EQ215 completely from the signal path.
Accurate Constant Q Circuitry
Internally, the EQ215 features innovative Constant Q circuitry.
What makes this so good? Well, it means that the graphical representation of the sliders
on the front panel more accurately reflects the changes you are making to the sound, as
compared to the very rough approximation you get with many traditional graphic EQ designs.
In other words, 'what you see is what you get.'
Combine this with the EQ215 's ultra low noise circuitry, and you have an equalizer that is
unsurpassed for total accuracy.Additionally, at the 0dB slider position each filter is, in effect,
removed from the circuit to further enhance the EQ215 's low noise figures.
Balanced Inputs and Outputs
On the rear panel, each channel of the EQ215 has true differential Balanced Inputs and Servo
Balanced Outputs, with both XLR as well as convenient TRS balanced jack connectors.
There is also an audio ground lift switch to isolate the audio ground from the chassis ground.
Universal AC Power
AC power range is a universal 100 to 120V or 220 to 240V AC, and is connected to the unit via
a removable power lead and standard 3 pin IEC connector, with built-in fuse and voltage switch.
When you need superlative, uncompromising audio quality but can't justify the use of a dual 30
band EQ such as the EQ260, we belive the EQ215 is the only graphic equalizer to choose.
With its compact High Density design, clean good looks and precision electronics, the ARX EQ215
will truly enhance any pro audio application.
You'll never compromise on Quality when you choose ARX
T E C H N I C A L || S P E C I F I C A T I O N S
Input Impedance Balanced 20 Kohms, Unbalanced 10 Kohms
Input Headroom + 23 dB
CMRR >55 dB, 20 Hz to 20 KHz
Output Impedance Balanced 300 ohms, Unbalanced 150 ohms
Output Level (Max) + 23 dB
Frequency Response 10Hz to 20KHz ±0.25dB
Signal to Noise ratio -93 dB Unweighted, -98 dB 'A' weighted
Distortion .0035% THD, 0dB, @1KHz
Dynamic Range 116 dB
High Pass Filter Sweepable 20-200Hz
Power Requirements 100/120 V AC, 220/240 V AC, 18VA
Weight 8lbs/3.75Kg
Dimensions19“W x 3½“H x 8“D, 482 x 89 x 205 mm (2 RU)
Input Connector type XLR, Balanced Jack
Output Connector type XLR, Balanced Jack
Front Panel Controls
Each channel has:
15 x 60mm Extended Resolution long throw, centre grounding faders
on ISO standard frequencies, 25 Hz to 20 KHz
Infinity through to +10dB Gain control
LED clipping indicator
Sweepable High Pass filter 20-200Hz
15 or 6 dB EQ Cut/Boost range switch
Hardwire bypass EQ IN/OUT switch
Rear Panel
Balanced Inputs and Outputs, on both XLR and TRS jack connectors.
Audio Ground Lift switch
AC input connector, with voltage switch and fuse. | INPUT
Connectors: 1/4" TRS, female XLR (pin 2 hot)
Type: Electronically balanced/unbalanced, RF filtered
Impedance: Balanced 40k ohm, unbalanced 20k ohm
Max Input Level: >+21dBu balanced or unbalanced
CMRR: >40dB, typically >55dB at 1kHz
OUTPUTS
Connectors: 1/4" TRS, male XLR (pin 2 hot)
Type: Impedance-balanaced/unbalanced, RF filtered
Impedance: Balanced 100 ohm, unbalanced 50 ohm
Max Output Level: >+21dBu balanced/unbalanced into 2k ohm or greater
>+18dBm balanced/unbalanced (into 600 ohm)
SYSTEM PERFORMANCE
Bandwidth: 20Hz to 20kHz, +0.5/-1dB
Frequency Response: 50kHz, +0.5/-3dB
Dynamic Range: Typicall >112dB
Signal-to-Noise: Typically >95dB
THD+Noise: |
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
| 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: |
|
| 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. | High-Definition 31-Band Stereo Graphic Equalizer with FBQ Feedback Detection System
- Professional 31-band stereo graphic equalizer for live and studio applications
- Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer
- Ultra-low noise 4580 operational amplifiers for highest signal integrity
- Dedicated mono subwoofer output with adjustable crossover frequency
- Additional sweepable high and low-cut filters for each channel remove unwanted frequencies, e.g. floor rumble, hiss etc.
- Highly accurate 12-segment LED input/output metering and input gain controls for easy level setting
- Relay-controlled hard-bypass with an auto-bypass function during power failure (fail-safe relay)
- Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors
- “Planet Earth" switching power supply for maximum flexibility (100
- 240 V~), noise-free audio, superior transient response plus low power consumption for energy saving
- 3-Year Warranty Program*
- Conceived and designed by BEHRINGER Germany
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