APEX PE 232 MK II 2X30 BAND GRAPHIC EQUALIZER

Discontinued

3,159.88 incl. GR VAT

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Availability: Discontinued Discontinued SKU: PE 232 MK II Category:
Recent developments in sound measurement techniques have revealed the limitations of existing graphic equalisers. The wealth of data that such equipment can provide for the users requirements – feedback suppression, increased headroom, room equalisation/compensation can no longer be adequately provided for with a simple graphic equaliser.The Apex PE MKII is the solution, providing a tool […]

 

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Recent developments in sound measurement techniques have revealed the limitations
of existing graphic equalisers. The wealth of data that such equipment can provide for
the users requirements – feedback suppression, increased headroom, room equalisation/
compensation can no longer be adequately provided for with a simple graphic equaliser.
The Apex PE MKII is the solution, providing a tool which both enables maximum correction
whilst shaping the response to your specific requirements, combining a full graphic equaliser
with a complementary parametric equaliser/notch filter.

FEATURES:
Electronically balanced input with a balanced floating output stage.
All potential overload points are continuously monitored by an extremely fast “peak-peak”
overload detecter circuit, followed by a “peak-stretching” circuit for clear indication of overload
conditions.Reliablilty is the hallmark of any product, and the mechanical integrity of the components
housing is the vital prerequisite. Sophistical CAD programmes and advanced engineering concepts
have been applied to the chassis design to eliminate the stress and torsional movements which can
damage the electronics.Special attention has been given to the purity of the signal path.The musicality
of previous designs of Apex equalisers has been well appreciated by users, and the PE continues this
tradition, noise and distortion are significantly better than 16-bit digital.Fine-tuning your system is essential.
The “vernier control” provides adjustment refinement on an unprecedented scale.In the event of power failure
to the unit, a failsafe relay links the input to the output ensuring that signal continuity is maintained.

SPECIFICATIONS:
Input
Electronically balanced
Absolute overload point +22dBm
Impedance 10 kOhm (each leg), equal impedance for ?+? and ??? legs
CMRR Better than 65dB (20Hz-20kHz)
connectors XLR-3 type ( pin 1: signal ground, pin 2: hot ?+?, pin 3: cold ?-? )
Output
Electronically balanced and floating, simulating transformer output with app.
10kHom to ground impedance for each leg
Max level +21dBm into 600 Ohms
Impedance 51 Ohms (each leg)
Symmetry balance Better than 65dB (20Hz-20kHz IEC)
connectors XLR-3 type ( pin 1: signal ground, pin 2: hot ?+?, pin 3: cold ?-? )
Performance
Frequency response +0 ?0.5 dB, 40Hz-20kHz (graphic EQ in)
THD < 0.01%, 20Hz-20kHz
Noise < -94 dBm (typ. -98dBm), graphic and parametric equalisers in circuit (0dB settings)
Measurements: , 22Hz-22kHz RMS unweighted
Level Control -? to +6dB
Level control ?0dB? cal. accuracy +- 0.2 dB (overall gain input to output)
Overload indicator
Lights for approximately 200ms if the instantaneous peak voltage at any point in
the equaliser comes within 2dB of clipping
Filters
Graphic equaliser:
30 ISO center frequencies
25Hz to 20kHz 1/3 octave
Center frequency tolerance +-1% (typically better than +-0.5%)
Q tolerance+-1%
Max boost/cut 6 or 12dB +-0.5dB reciprocal
switchable
Parametric filters:
Tuning ranges 18-200Hz, 180Hz-2kHz, 1800Hz-20kHz
Vernier control+- 10% of main frequency control
Range of Q adjustment 0.5 to 8
Range of level adjustment
 -? to +15dB (typ -45 to +15.5dB) non reciprocal. Smaller cut than boost curves
through addition and substraction of parametric bandpass filter output to filter input
Each filter individually switchable
High pass filter:
Frequency range 15-300Hz (-3dB frequencies)
Type
Maximally flat 12dB/oct
Switchable
Power Requirements
Voltage 110/120/220/240V 50/60Hz
Consumption 30VA
Connector IEC type
Size and weight
dimensions 482 x 133 x 255 mm (19 x 5.2 x 10 inch)
weight 7 kg
 

Weight 7.00 kg

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Quick Comparison

APEX PE 232 MK II 2X30 BAND GRAPHIC EQUALIZER removeGOLDEN AGE EQ-73 Equalizer removeDRAWMER 1974 - Stereo Parametric Equaliser removeDBX 1231 Dual 31-Band Graphic Equalizer 2x31 removeOMNITRONIC DXO-48E Digital Controller - stereo active crossover 4 inputs - 8 outputs, incl. software removeBSS AUDIO FCS-966 Opal Constant Q Graphic Equalizer-Used- remove
NameAPEX PE 232 MK II 2X30 BAND GRAPHIC EQUALIZER removeGOLDEN AGE EQ-73 Equalizer removeDRAWMER 1974 - Stereo Parametric Equaliser removeDBX 1231 Dual 31-Band Graphic Equalizer 2x31 removeOMNITRONIC DXO-48E Digital Controller - stereo active crossover 4 inputs - 8 outputs, incl. software removeBSS AUDIO FCS-966 Opal Constant Q Graphic Equalizer-Used- remove
ImageDRAWMER 1974 – Stereo Parametric Equaliser
SKUPE 232 MK IIEQ73UA31374DBX 1231DXO-48EFCS966SH
Rating
Price 3,159.88 incl. GR VAT295.00 incl. GR VAT949.00 incl. GR VAT 455.00 incl. GR VAT 590.00 incl. GR VAT 285.00
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Description
  • Flexible routing configurations for all standard mono and stereo output operating modes
  • 4 analog inputs and 8 analog outputs (XLR)
  • Active frequency filter types (Bessel, Butterworth and Linkwitz-Riley) with slopes up to 24 dB/octave split up the audio signal into different frequency bands
  • Incl. software editor (for PC and Mac) for remote control via computer through USB interface: store, transfer, and manage your presets
  • Up to 30 user presets storable in the device via software
Content

Recent developments in sound measurement techniques have revealed the limitations
of existing graphic equalisers. The wealth of data that such equipment can provide for
the users requirements - feedback suppression, increased headroom, room equalisation/
compensation can no longer be adequately provided for with a simple graphic equaliser.
The Apex PE MKII is the solution, providing a tool which both enables maximum correction
whilst shaping the response to your specific requirements, combining a full graphic equaliser
with a complementary parametric equaliser/notch filter.

FEATURES:
Electronically balanced input with a balanced floating output stage.
All potential overload points are continuously monitored by an extremely fast "peak-peak"
overload detecter circuit, followed by a "peak-stretching" circuit for clear indication of overload
conditions.Reliablilty is the hallmark of any product, and the mechanical integrity of the components
housing is the vital prerequisite. Sophistical CAD programmes and advanced engineering concepts
have been applied to the chassis design to eliminate the stress and torsional movements which can
damage the electronics.Special attention has been given to the purity of the signal path.The musicality
of previous designs of Apex equalisers has been well appreciated by users, and the PE continues this
tradition, noise and distortion are significantly better than 16-bit digital.Fine-tuning your system is essential.
The "vernier control" provides adjustment refinement on an unprecedented scale.In the event of power failure
to the unit, a failsafe relay links the input to the output ensuring that signal continuity is maintained.

SPECIFICATIONS:
Input
Electronically balanced
Absolute overload point +22dBm
Impedance 10 kOhm (each leg), equal impedance for ?+? and ??? legs
CMRR Better than 65dB (20Hz-20kHz)
connectors XLR-3 type ( pin 1: signal ground, pin 2: hot ?+?, pin 3: cold ?-? )
Output
Electronically balanced and floating, simulating transformer output with app.
10kHom to ground impedance for each leg
Max level +21dBm into 600 Ohms
Impedance 51 Ohms (each leg)
Symmetry balance Better than 65dB (20Hz-20kHz IEC)
connectors XLR-3 type ( pin 1: signal ground, pin 2: hot ?+?, pin 3: cold ?-? )
Performance
Frequency response +0 ?0.5 dB, 40Hz-20kHz (graphic EQ in)
THD < 0.01%, 20Hz-20kHz
Noise < -94 dBm (typ. -98dBm), graphic and parametric equalisers in circuit (0dB settings)
Measurements: , 22Hz-22kHz RMS unweighted
Level Control -? to +6dB
Level control ?0dB? cal. accuracy +- 0.2 dB (overall gain input to output)
Overload indicator
Lights for approximately 200ms if the instantaneous peak voltage at any point in
the equaliser comes within 2dB of clipping
Filters
Graphic equaliser:
30 ISO center frequencies
25Hz to 20kHz 1/3 octave
Center frequency tolerance +-1% (typically better than +-0.5%)
Q tolerance+-1%
Max boost/cut 6 or 12dB +-0.5dB reciprocal
switchable
Parametric filters:
Tuning ranges 18-200Hz, 180Hz-2kHz, 1800Hz-20kHz
Vernier control+- 10% of main frequency control
Range of Q adjustment 0.5 to 8
Range of level adjustment
 -? to +15dB (typ -45 to +15.5dB) non reciprocal. Smaller cut than boost curves
through addition and substraction of parametric bandpass filter output to filter input
Each filter individually switchable
High pass filter:
Frequency range 15-300Hz (-3dB frequencies)
Type
Maximally flat 12dB/oct
Switchable
Power Requirements
Voltage 110/120/220/240V 50/60Hz
Consumption 30VA
Connector IEC type
Size and weight
dimensions 482 x 133 x 255 mm (19 x 5.2 x 10 inch)
weight 7 kg
 

The class-A circuit used in the EQ-73 is similar to the eq section in the classical 1073 module, without the high pass filter. Additional frequencies have been added and the mid frequency band uses two inductors, the higher value of the second one is used for the two lowest frequencies, 160 Hz and 240 Hz, to achieve a suitable response.

The sound character is warm, punchy, sweet and musical. These classic characteristics have been heard on countless recordings through the years and it is a versatile sound that works very well on most sound sources and in most genres. The essence of this sound is now available at a surprisingly low cost, making it available to nearly everyone.

The EQ-73 has stepped frequency controls that offers a wide selection of frequencies from 20 Hz to 24 kHz.

The Low and High frequency bands are shelving and the mid frequency band is of the bell type.

The control range is +/-15 dB for the two lower bands and +/- 18dB for the high frequency band.

There are separate bypass switches for all three bands.

The EQ-73 is made to be used together with one of our PRE-73 models that has an Insert jack. It can also be used with many other units that has a low level insert jack.

Combining a PRE-73 and an EQ-73, and using a UNITE rack kit to mount them together, one will get a 19-inch 1073-style unit at a low cost and with a great sound!

FEATURES

- Vintage Style electronics. No intergrated circuits in the signal path

- 3-band with a dual inductor based mid frequency band

- Stepped frequency selection

- A wide selection of frequencies from 20 Hz to 24 kHz

- Control range up to +/- 18 dB

- Separate Bypass switches for each band

- Tantalum capacitors in the signal path

- Made to be used together with one of our PRE-73 models with an Insert jack or any other unit with a low level Insert jack

- TRS jack for in-and output connection, the nominal working level is around 18 dBu

- Selectable ground lift switch

- External power supply to avoid interaction with the audio circuits

- Great sound that suits most sound sources and genres

- A solid build quality that will last many years of normal use

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.
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:

Digital stereo active crossover with 4 inputs and 8 outputs, incl. software .

  • Flexible routing configurations for all standard mono and stereo output operating modes
  • 4 analog inputs and 8 analog outputs (XLR)
  • Active frequency filter types (Bessel, Butterworth and Linkwitz-Riley) with slopes up to 24 dB/octave split up the audio signal into different frequency bands
  • Incl. software editor (for PC and Mac) for remote control via computer through USB interface: store, transfer, and manage your presets
  • Up to 30 user presets storable in the device via software
  • 5 menu languages selectable (German, English, French, Spanish, Dutch)
  • Alphanumeric LCD screen with 2 lines of 16 characters each
  • Input sensitivity digitally adjustable
  • Inputs and outputs with 4-digit LED level meter as well as clip and limit LED indicator
  • Mute switch with LED indicator per output
  • 7-band parametric EQ per output
  • Up to 7 ms signal delay adjustable for the outputs
  • Output limiter with adjustable limits and automatic attack and release settings as overload protection for your amplifying system
  • Switchable phase
  • Lock function for prevents undesired changes to settings
  • Rack installation, 1 U
  • Windows XP, Vista, 7, 10 and Mac OS X 10.5.8 and better
  • Digital signal processor
  • The device can be connected via USB to the PC in connection with DXO Software The firmware can be updated via the PC connection
  • (19") 48.3 cm rack installation 1 U
Power supply: 100-240 V AC, 50/60 Hz 6 V DC 800 mA
Power connection: Mains input via Coaxial power connector (M) power supply cord with AC adapter (provided)
Frequency range: 10 - 22000 Hz
THD: <0,005 % at 1 kHz
DSP: Digital signal processor
Crossover frequency: 20-20000 Hz
Impedance: Input 10 kOhm Output 50 Ohm
Gain: Output: -50 dB to +12 dB
Filter: Linkwitz-Riley; Butterworth; Bessel; 6db/oct; 12db/oct; 18db/oct; 24db/oct
Delay: 0 - 7 ms
Dynamic range: Input: 114 dB Output: 110 dB
Sample rate: 48 kHz
Connections: Input: line via 4 x 3-pin XLR Output: line via 8 x 3-pin XLR
Max. level: Input: +22 dBu Output: +9 dBu
USB port: Typ B
PC connect: DXO Software via USB, firmware can be updated
Housing design: (19") 48.3 cm rack installation 1 U
Dimensions: Width: 48,3 cm Depth: 22,3 cm Height: 4,45 cm
Weight: 1,90 kg
 
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.
Weight7.00 kg3.00 kg4.00 kg5.00 kg2.25 kg3.00 kg
DimensionsN/AN/AN/AN/A52.5 × 25 × 8 cmN/A
Additional information
Weight 7.00 kg
Weight 3.00 kg
Weight 4.00 kg
Weight 5.00 kg
Weight 2.25 kg
Dimensions 52.5 × 25 × 8 cm
Weight 3.00 kg