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Ashly presents the PQX series parametric equalizers. Like graphic equalizers,
parametrics allow you to boost or cut selected frequencies. However, parametric
equalizers also allow exact adjustment of the frequency and bandwidth of each
band, resulting in very precise control of frequency response. The amplitude,
center frequency, and bandwidth are the "parameters" for each equalizer band
and the term "Parametric" refers to the ability to adjust all of these characteristics
independently
The Ashly PQX series equalizers are a third generation design including many
refinements on our original PQ models. Lower noise, greater headroom, additional
filters, full 20Hz -20KHz range on all parametric filters and additional connector
types are the result.
The heart of the PQX equalizers is a unique bandpass filter circuit. Basically a
“state-variable" type, this filter is trimmed and optimized to provide excellent
transient response and a wide range of frequency and bandwidth adjustment.
Each filter can be tuned over a 100:1 frequency range (about 6.6 octaves) and
a 70:1 bandwidth range with no more than a 2 dB amplitude error at center frequency.
At its sharpest setting, the filter has a "Q" of about 35 and generates a response curve
with 3 dB points only 1/20 octave apart, making feedback control possible with no
audible side effects. Each filter is placed in the feedback loop of a summing amplifier
to produce the desired frequency response. Since a separate summing amplifier is used
for each band, no interaction between bands occurs. After twenty years of refinement,
the Ashly parametrics are the most powerful equalization tool available. They especially
excel in control of resonance and feedback yet also provide smoother broadband tone
shaping than Graphic equalizers.
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5 Fully parametric bands |
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Parametric filters tunable from 20Hz to 20KHz |
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Very low hum and noise design |
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Adjustable bandwidth from 3 1/3 to 1/20 of an octave |
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True reciprocal curves |
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Master and individual band in/out bypass switching |
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Balanced Inputs and Outputs |
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XLR, 1/4" TRS and barrierstrip audio connections |
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Five Year Warranty | |
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
| The vintage-style fully stereo 1974 four band Parametric Equaliser provides exceptional analogue musicality and sonic clarity, taking it\'s inspiration from 1970\'s-era gear. It has the ability to perform subtle shaping for mastering purposes that require a delicate touch and easy recall, but is just as capable of tonal sculpting, adding the analogue warmth and character that is near impossible to emulate in the digital domain.
Get immersive with the stereo operation, with one set of controls for both channels. The versatile design features dual channel precision stepped potentiometers, providing exceptional accuracy for fast and simple recall. The fully variable bandwidth allows you to control the parametric mid bands, making adjustments as surgically precise or as broad and natural sounding as you could ever require. Fully adjustable low and high cut filters are also included, ideal for tuning out undesirable signals at the frequency extremes. It also features switchable slopes on the low and high bands, allowing you to alter the focus at the top and bottom frequencies plus a low peak setting that magnifies the bottom end. The 1974 is perfect for tonal shaping, staying true to the sound of the 70s and ideal for any musician.
Genuine Stereo Operation with Indented and Accurate Potentiometers. The genuine stereo linked operation of the 1974 makes adjustment quick and extremely simple using just one set of controls to alter both channels. Gone is the wasted time spent fiddling about on every control trying to match the settings of the left and right channels with each other. The 1974 uses precision potentiometers, each one being matched for left/right accuracy to within fine tolerances by our trained technicians, so that both channels operate identically, and also have indented operation, providing exceptional accuracy for fast and simple recall.
Fully Parametric with Totally Variable Bandwidth. The 1974 is a true \'parametric\' equaliser, with the four bands having fully variable frequency controls and offer cut and boost of +/-12dB\'s. However, unlike EQ\'s with a no bandwidth adjustment, or a simple switch, the two mid bands have completely variable filter bandwidth controls enabling the user to focus in on very narrow sections of the audio spectrum or apply a broad natural sounding filter, or, of course, anything in between the two. This makes the 1974 incredibly versatile and capable of modifying everything from subtly fine tuning mixes to tone sculpting problematic recordings.
Variable Low and High Cut Filters. The 1974 also includes fully variable low and high cut filters, ideal for tuning out undesirable signals. The low cut (otherwise known as High Pass Filter) having a range of 10Hz-225Hz and the high cut (otherwise known as Low Pass Filter) 4kHz-32kHz. The beauty of being fully variable is that, unlike fixed frequency filters, it is easy to sweep both controls to find the perfect setting and remove sounds with pinpoint accuracy. This is especially useful when bracketing individual tracks where it will be necessary to cut the bass to remove rumble and top to remove hiss, as these undesirable signals will just add up as the tracks are layered. For instance, cut everything instrument below 100Hz except those within that spectrum, such as the kick, bass or synths etc to provide extra headroom to work and also tighten up the bass making it sound less muddy. And likewise for the high frequencies.
Switchable Slope Setting. Very few analogue parametric equalisers have an adjustable slope on the low and high band filters, and is yet another feature of the 1974 that allows you to take control of your audio. The filter slopes of the 1974 have been chosen for their musicality - allowing you to adjust the focus of the audio at the bottom and top ends of your recording but not so harsh as to be a very noticeable brick wall filter. At the bottom end slopes of 6, 9 and 12dB per octave plus a Peak setting are available, and at the high end 6 and 12dB\'s per octave.
The Peak setting is quite a unique feature in that it adds a narrow bell shape to the 12dB per octave low band filter at the knee frequency just before it rolls off. Especially useful on kick drums, it magnifies and gives extra weight to the hit whilst still filtering out any subsonic junk and without muddying the lower mid. It\'ll give your kick an added sense of power and precision.
Features:
- Vintage-style four band Parametric Equalisation which takes it\'s inspiration from 1970\'s-era analogue gear.
- Delivers classic sonic clarity and control at an affordable price.
- Genuine stereo operation with one set of controls for both channels.
- Indented and accurate potentiometers, providing precision for quick and simple recall.
- Variable low and high cut filters allow you to perfectly tune out any undesirable signals.
- Fully variable bandwidth provides absolute control for the parametric mid bands.
- Switchable slope plus low peak settings allows you to adjust the focus and magnify the bottom end.
- True hardware bypass for accurate A/B comparisons.
- Internal Low Hum Toroidal Linear Power Supply with Voltage Selector Switch.
- Classic Drawmer Build Quality with Rugged Steel Chassis and Aluminium Front Panel.
- Designed and manufactured by Drawmer in the UK.
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- Professional 15-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 low-cut filter removes unwanted frequencies, e.g. floor rumble
- Highly accurate 4-segment LED output metering and input gain controls for easy level setting
- 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*
- Designed and engineered in Germany
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* 2 channel 15 2/3 octave band graphic equalizer
* 25Hz - 16kHz frequency control * Constant Q circuitry
(3% frequency accuracy) * Selectable 6dB or 12dB control
* Variable level control * By-pass switch * Overload threshold LED (5dB below clipping) * Ground lift switch * XLR & 1/4" TRS balanced Inputs/Outputs * Power: Selectable 120V/220V voltage
* Dimensions: 1.75" H x 19" W x x 8.5" D / 44.5mm x 483mm x 216mm - 1 space r.m. * Weight: 4.5 lbs. / 2.5kg
XEQ-152 Specifactions:
* Input type: Active balanced / Unbalanced * Output Impedance: |
1215 Dual 15-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 1215 provides standard
features like dual channels, 15 2/3 octave bands, ISO frequency
centers, +/-12 dB input gain range, and switchable 40Hz/18 dB per
octave low-cut filters, but also includes other thoughtful 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 2U steel/aluminum chassis.
- Switchable boost/cut ranges of ±6 or ±15 dB
- Electronically balanced/unbalanced inputs
- Servo balanced/unbalanced inputs
- RF filtered inputs and outputs
- XLR, Barrier Strip, and 1/4" TRS connectors
- -12dB/+12dB input gain range
- 18dB/octave 40Hz Bessel low-cut filter
- Chassis/signal ground lift capability
- Internal power supply transformer
- Power-off hardwire relay bypass with 2-second power-up delay
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