Stetsom EQX764

Stetsom EQX764-7 Band Equalizer User Manual

Model: EQX764

1. Уводзіны

The Stetsom EQX764-7 Band Equalizer is a high-performance car audio graphic equalizer designed to provide precise control over your vehicle's sound system. This unit features a pre-amplifier and a 10V line driver, which helps to minimize noise and deliver a strong, clear audio signal to your amplifiers. With 7 adjustable equalization bands, dedicated subwoofer controls, and multiple input/output options, the EQX764 allows for detailed sound customization to suit your preferences.

2. Інфармацыя па бяспецы

  • Рэкамендуецца прафесійная ўстаноўка: For optimal performance and safety, installation by a qualified car audio technician is highly recommended.
  • Адключыце акумулятар: Always disconnect the vehicle's negative battery terminal before beginning any electrical installation to prevent short circuits and damage.
  • Правільнае зліццё: Ensure the power connection includes an appropriate fuse (1A maximum, within 1 foot of the battery) to protect the unit and your vehicle's electrical system.
  • Пазбягайце вільгаці: Не падвяргайце прыладу ўздзеянню вады або празмернай вільгаці.
  • Бяспечнае мацаванне: Mount the equalizer securely to prevent it from becoming a projectile in the event of sudden stops or accidents.
  • Вентыляцыя: Забяспечце дастатковую вентыляцыю вакол прылады, каб прадухіліць перагрэў.

3. Змесціва ўпакоўкі

Калі ласка, праверце ўпакоўку на наяўнасць наступных прадметаў:

  • Stetsom EQX764-7 Band Equalizer Unit
  • Мантажныя кранштэйны
  • High Input Connector (Wire)
  • Крапежныя шрубы

4. Прадукт скончыўсяview

The Stetsom EQX764 features a user-friendly layout with clearly labeled controls and connections. Understanding each component is essential for proper setup and operation.

Элементы кіравання на пярэдняй панэлі

The front panel provides access to all audio adjustment controls, illuminated by blue LEDs for visibility.

  • ПОДУРОВЕНЬ: Рэгулюе ўзровень выходнага гуку канала сабвуфера.
  • SUB FREQ: Adjusts the crossover frequency for the subwoofer output.
  • HIGH/MAIN Input Switch: Selects between High-Level input and RCA (Main) input.
  • ВЫСОКІ ЎЗРОВЕНЬ: Adjusts the input sensitivity for the High-Level input.
  • ГАЛОЎНЫ ЎЗРОВЕНЬ: Adjusts the input sensitivity for the RCA (Main) input.
  • FADER FRONT/REAR: Балансуе гукавы выхад паміж пярэднім і заднім каналамі.
  • 7-Band Equalization Controls: Individual rotary controls for adjusting the gain (+/-12dB) at specific frequencies: 50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, and 16KHz.

Злучэнні задняй панэлі

На задняй панэлі размешчаны ўсе ўваходныя і выходныя раздымы.

  • R SUB L OUT: Left and Right RCA outputs for the subwoofer ampзадымнік.
  • Высокі ўзровень: High-level input for connecting to factory head units without RCA outputs.
  • R MAIN L IN: Left and Right RCA inputs for the main audio source.
  • R REAR L OUT: Left and Right RCA outputs for the rear full-range ampзадымнік.
  • R FRONT L OUT: Left and Right RCA outputs for the front full-range ampзадымнік.
  • REM +: Remote turn-on input and power input terminals.
Stetsom EQX764 Equalizer with labeled inputs, outputs, and controls
Малюнак 4.1: Верх view of the Stetsom EQX764 showing all inputs, outputs, and control labels.
Stetsom EQX764 Equalizer with blue illuminated controls
Малюнак 4.2: Пад вуглом view of the Stetsom EQX764 showcasing the blue illuminated equalization controls.

5. Усталёўка і налада

Follow these steps for proper installation of your EQX764 equalizer.

5.1 Мантаж прылады

Use the provided mounting brackets and screws to secure the EQX764 in a suitable location within your vehicle. Ensure the location allows for easy access to controls and adequate ventilation.

Diagram showing how to attach mounting brackets to the EQX764
Figure 5.1: Illustration of mounting bracket attachment and high input connector.

5.2 Power and Remote Activation

Connect the EQX764 to your vehicle's electrical system as follows:

  1. Падключыце +12В terminal to the vehicle's positive battery terminal using a 20AWG cable. Install a 1A fuse within 1 foot of the battery.
  2. Падключыце GND terminal to a clean chassis ground point.
  3. Падключыце REM (remote) terminal to the remote output of your car radio/player using a 20AWG cable. This will turn the equalizer on and off with your head unit.
Wiring diagram for power and remote activation of the EQX764
Figure 5.2: Power and remote activation wiring diagram for the EQX764.

5.3 Аўдыё злучэння

The EQX764 supports both RCA and High-Level inputs and provides dedicated outputs for front, rear, and subwoofer channels.

  1. Крыніца ўводу:
    • For head units with RCA outputs, connect the RCA cables from your head unit to the R MAIN L IN ports on the EQX764.
    • For factory head units or those without RCA outputs, use the provided High Input Connector to connect speaker-level wires from your head unit to the HIGH-IN тэрміналы.
  2. Выхад да Ampліфёры:
    • Connect RCA cables from the R FRONT L OUT ports to your front full-range ampзадымнік.
    • Connect RCA cables from the R REAR L OUT ports to your rear full-range ampзадымнік.
    • Connect RCA cables from the R SUB L OUT ports to your subwoofer ampзадымнік.
Diagram showing a complete car audio installation example with the EQX764
Малюнак 5.3: Выпample of a complete car audio system installation using the Stetsom EQX764.

6. Інструкцыя па эксплуатацыі

Once installed, the EQX764 allows for fine-tuning of your audio system.

6.1 Input Selection and Level Adjustment

  1. Выберыце ўвод: Выкарыстоўвайце HIGH/MAIN switch to select the appropriate input source (High-Level or RCA).
  2. Adjust Input Level: Выкарыстоўвайце ВЫСОКІ ЎЗРОВЕНЬ or АСНОЎНЫ ЎЗРОВЕНЬ knobs to match the output voltage of your head unit. Start with these controls at their minimum and slowly increase until a clear, undistorted sound is achieved at a moderate volume from your head unit.

6.2 Fader Control

The FADER FRONT/REAR knob allows you to adjust the balance of sound between your front and rear speakers. Turn it towards 'FRONT' to emphasize front speakers or towards 'REAR' for rear speakers.

6.3 7-Band Equalization

Each of the seven rotary knobs corresponds to a specific frequency band, allowing you to boost or cut frequencies by up to 12dB. Adjust these controls to shape the sound to your preference:

  • 50Hz: Controls the deepest bass frequencies.
  • 125Hz: Affects mid-bass and warmth.
  • 315Hz: Influences the lower midrange, body of vocals and instruments.
  • 750Hz: Controls the central midrange, clarity of vocals.
  • 2.2 кГц: Affects upper midrange, presence of instruments.
  • 6 кГц: Controls lower treble, brightness of cymbals and higher frequencies.
  • 16 кГц: Adjusts the highest treble frequencies, airiness and sparkle.

6.4 Subwoofer Controls

The dedicated subwoofer controls provide precise management of your bass output:

  • ПОДУРОВЕНЬ: Adjust the overall volume of the subwoofer output.
  • SUB FREQ: Set the low-pass crossover frequency for the subwoofer. This determines the highest frequency that will be sent to your subwoofer amplifier. Adjust this to blend seamlessly with your main speakers.

7. Тэхнічныя характарыстыкі

АсаблівасцьСпецыфікацыя
УваходыMAIN (RCA) and HIGH IN (Wire)
ВыхадыSUB OUT, FRONT and REAR
SUB Level and Frequency Controlтак
Выбар уваходуMAIN and HIGH
Рэгулятары ўзроўнюMAIN and HIGH
Кантроль фейдэраПЕРАДНІ і ЗАДНІ
Паласы эквалайзера7-band (-12dB = +12dB)
SUB Frequency Control Range60 Гц - 90 Гц
V OUT @ 14.4V (Subwoofer)10 V RMS
V OUT @ 14.4V (Front & Rear)8.5V RMS (Line Driver)
Input Sensitivity (Main RCA)3.3V RMS @ 14.4V
Input Sensitivity (High Wire)25V RMS @ 14.4V
Input Impedance (Main RCA)20 КОм
Input Impedance (High Wire)1 КОм
Выхадны супраціў47 Ом
АЧХ5 Гц - 140 кГц
THD<0.1%
SNR> 100 дБ
Перакрыжаваныя перашкоды> 85 дБ
Пастаўка Voltage9 В - 16 В пастаяннага току
Max Consumption @ 12.6V290 мА
Памеры (Д х Ш х У)7.25" x 3.24" x 1" (184 x 82.3 x 26 мм)
Вага0.68 lb / 310 grams
Stetsom EQX764 Equalizer with dimensions labeled
Figure 7.1: Dimensions of the Stetsom EQX764 equalizer.

8. Выпраўленне непаладак

If you encounter issues with your EQX764, refer to the following common problems and solutions:

  • Няма харчавання:
    • Check all power connections (+12V, GND, REM) for secure contact.
    • Verify the 1A fuse near the battery is intact. Replace if blown.
    • Ensure the remote wire from the head unit is providing a +12V signal when the head unit is on.
  • Няма выхаду гуку:
    • Confirm the correct input source (HIGH or MAIN) is selected via the switch.
    • Check all RCA and High-Level input/output connections for proper seating.
    • Ensure the HIGH LEVEL and MAIN LEVEL controls are not set to minimum.
    • Verify that connected amplifiers are powered on and receiving a signal.
  • Скажоны гук:
    • Reduce the HIGH LEVEL or MAIN LEVEL input sensitivity.
    • Lower the gain settings on your ampасаднікі.
    • Ensure none of the equalization bands are boosted excessively.
  • Hissing or Engine Noise:
    • Ensure the EQX764 and all amplifiers have a solid, clean ground connection.
    • Route RCA cables away from power cables to prevent interference.
    • Check for proper grounding of the head unit.

9. Тэхнічнае абслугоўванне

The Stetsom EQX764 is designed for durability and requires minimal maintenance.

  • Уборка: Для чысткі прылады выкарыстоўвайце мяккую сухую тканіну. Пазбягайце выкарыстання абразіўных ачышчальнікаў або растваральнікаў.
  • Сувязі: Перыядычна правярайце ўсе злучэнні правадоў, каб пераканацца ў іх надзейнасці і адсутнасці карозіі.

10. Гарантыя і падтрымка

Stetsom products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Stetsom webсайт. Захоўвайце чэк аб куплі як пацвярджэнне пакупкі ў выпадку любых гарантыйных прэтэнзій.

For additional assistance, you may contact Stetsom customer support through their official channels.