Introduzzjoni
L-EMB EB831EQ huwa ekwalizzatur grafiku u limitatur professjonali b'żewġ bandijiet ta' 31 iddisinjat għal kontroll preċiż tal-frekwenza awdjo f'diversi settings, inkluż id-dar, prestazzjoni tad-DJ, klabbs, studios, stages, and entertainment venues. This unit allows for detailed adjustment of audio frequencies, helping to refine sound quality and manage audio levels effectively. It features EQ bypass, balanced XLR inputs and outputs, and a 42 Hz high-pass filter for each channel.
Prodott Overview
Figura 1: Quddiem angolat view of the EMB EB831EQ Graphic Equalizer, showcasing its dual 31-band sliders and control knobs.
Figura 2: Panew ta 'quddiem view of the EMB EB831EQ, highlighting the two channels of 31-band frequency sliders and associated controls.
Figura 3: Close-up view of the control section on the EMB EB831EQ, showing the input gain, low cut, and threshold knobs, along with LED indicators.
Figure 4: Rear panel of the EMB EB831EQ, displaying the XLR, 1/4-inch TRS, and terminal strip input/output connections for both channels.
Karatteristiċi Ewlenin
- Dual 31-band graphic equalizer for precise frequency control.
- Integrated limiter with adjustable threshold (0 to +24 dB).
- Gain/attenuation selectable between +/-6dB or +/-15dB.
- EQ bypass function for quick comparison of processed and unprocessed audio.
- 40Hz low-frequency cut filter (18dB/octave) to remove unwanted rumble.
- Type III Noise Reduction circuit for improved Signal-to-Noise Ratio (SNR) by 20 dB.
- Electronically balanced/unbalanced inputs and servo balanced/unbalanced outputs.
- XLR, 1/4-inch TRS, and terminal strip connectors for versatile connectivity.
- LED display for output level indication: -10, 0, +10, and +18 dB.
Setup
Proper setup of the EMB EB831EQ is crucial for optimal performance and sound quality. Ensure all connections are secure before powering on the unit.
Connecting the Equalizer
- Konnessjoni tal-Enerġija: Connect the supplied power adapter to the IEC receptacle on the rear panel of the EB831EQ and then to a suitable AC power outlet.
- Inputs tal-Awdjo: Connect your audio source (e.g., mixer, pre-amplifier) to the input connectors on the rear panel. The EB831EQ supports balanced XLR, 1/4-inch TRS, and terminal strip inputs. For balanced connections, use XLR or TRS cables. For unbalanced connections, use 1/4-inch TS cables or appropriate wiring to the terminal strips.
- Outputs tal-Awdjo: Connect the outputs of the EB831EQ to your audio destination (e.g., power amplifier, recording device). The unit provides balanced XLR, 1/4-inch TRS, and terminal strip outputs.
- Fluss tas-Sinjal: Typically, an equalizer is placed in the signal chain after a mixer and before a power amplifier. Ensure the signal flow is correct for your specific audio setup.
Nota: Always ensure all audio equipment is powered off before making or changing any connections to prevent damage to your system.
Istruzzjonijiet Operattivi
Understanding the controls of the EB831EQ will allow you to effectively shape your audio.
Kontrolli tal-Panew ta' Quddiem
- Frequency Sliders (31-band): Adjust the gain (+/-) for each specific frequency band. Moving a slider up boosts that frequency, while moving it down cuts it.
- Kontroll tal-gwadann tal-input: A 41-step rotary potentiometer to adjust the overall input level for each channel.
- EQ Bypass Button: Engages or disengages the equalizer circuit. Use this to quickly compare the sound with and without EQ processing.
- Low Cut Filter (40Hz 18dB/octave): Activates a high-pass filter at 40Hz to remove unwanted low-frequency rumble or noise.
- Limiter Limitu: Adjusts the level at which the built-in limiter begins to reduce the output signal, preventing clipping and distortion. Range is 0 to +24 dB.
- Type III NR (Noise Reduction): Engages the noise reduction circuit to improve the signal-to-noise ratio.
- Output Level LEDs: Indicators for output levels at -10, 0, +10, and +18 dB, providing visual feedback on signal strength.
Operazzjoni Bażika
- Qawwa Mixgħul: After all connections are made, power on your audio system, starting with the EB831EQ.
- Settings Inizjali: Set all frequency sliders to the center (0 dB) position. Ensure the EQ Bypass is off (EQ engaged) and the Low Cut filter is off initially.
- Aġġustament tal-Qasam tal-Input: Play audio through the system and adjust the Input Gain control until the Output Level LEDs show a healthy signal, avoiding the "CLIP" indicator.
- Frequency Shaping: Carefully adjust the 31-band sliders to boost or cut specific frequencies to achieve your desired sound. Make small adjustments and listen to the effect.
- Using the Limiter: If you experience clipping or want to protect your speakers from sudden peaks, engage the limiter and adjust the Threshold knob. The limiter will compress signals exceeding the set threshold.
- Tnaqqis tal-Ħsejjes: If background noise is present, engage the Type III NR to reduce it.
Manutenzjoni
Regular maintenance helps ensure the longevity and optimal performance of your EMB EB831EQ.
- Tindif: Uża drapp artab u niexef biex tnaddaf il-barra tal-unità. Għal ħmieġ iebes, neħħi ftitamp Jista' jintuża drapp, iżda kun żgur li l-ebda likwidu ma jidħol fl-unità. Evita prodotti tat-tindif jew solventi li joborxu.
- Ventilazzjoni: Ensure the unit has adequate ventilation. Do not block any ventilation openings. Overheating can lead to malfunction.
- Ħażna: Jekk se taħżen l-unità għal perjodu estiż, skonnettjaha mill-elettriku u aħżenha f'post frisk u niexef, 'il bogħod mix-xemx diretta u minn temperaturi estremi.
- Spezzjoni tal-Cable: Periodically check all audio and power cables for signs of wear or damage. Replace any damaged cables immediately.
Issolvi l-problemi
If you encounter issues with your EMB EB831EQ, refer to the following common problems and solutions:
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| Ebda output tal-ħoss. | Incorrect connections, EQ Bypass engaged, low input gain, faulty cables. |
|
| Humming or static noise. | Ground loop, faulty cable, interference, issue with specific channel. |
|
| Awdjo mgħawġa. | Input signal too high, limiter threshold too low, output clipping. |
|
| EQ adjustments have no effect. | EQ Bypass engaged. |
|
Speċifikazzjonijiet
| Parametru | Valur |
|---|---|
| Tip | Graphic Equalizer/Limiter |
| Konnettività | Male XLR, Female XLR, 1/4 inch TRS, Terminal Strips |
| Impedenza tad-dħul (Ibbilanċjat) | 42K ohms |
| Input Impedance (Unbalanced) | 20K ohms |
| Livell ta 'Input Max | >+21 dB (balanced or unbalanced) |
| CMRR | >40 dB, typically >55 dB at 1kHz |
| Impedenza tal-Ħruġ (Ibbilanċjat) | 103 ohms |
| Output Impedance (Unbalanced) | 100 ohms |
| Livell ta 'Ħruġ Max | >+21 dBu (balanced/unbalanced) |
| Bandwidth | 20Hz - 20KHz (+0.5dB/-1dB) |
| Proporzjon tas-sinjal għall-istorbju (SNR) | 95 dB (90dB-97dB with Type III NR) |
| Medda Dinamika | 109dB - 115dB |
| Distorsjoni Armonika Totali + Storbju (THD+N) | <0.005% |
| Crosstalk bejn il-kanali | <-80dB, 20Hz-20kHz |
| Bypass tal-EQ | Iva |
| Iffiltra b'qatgħa baxxa | 40Hz, 18dB/octave (Bessel) |
| Konsum tal-Enerġija | 12W |
| Medda ta' Gwadan ta' Input | -14dB/+14dB switchable |
| Boost/Cut Medda | +/-6dB or +/-15dB selectable |
| Piż tal-oġġett | 13.67 liri |
| Dimensjonijiet tal-Pakkett | 22.4 x 11.5 x 7.75 pulzieri |
Garanzija u Appoġġ
For warranty information and technical support, please refer to the documentation included with your purchase or contact EMB customer service. Keep your proof of purchase for warranty claims.
Informazzjoni ta' Kuntatt: Please visit the official EMB website or refer to your product packaging for the most current support contact details.
