1. Introdução
This manual provides essential information for the safe and efficient operation of your Omnitronic EM-640 Animation Mixer. Please read this manual thoroughly before using the device to ensure proper setup, operation, and maintenance. Keep this manual for future reference.
The Omnitronic EM-640 is an entertainment mixer designed for professional audio and video mixing applications, featuring multiple input and output options for versatile use.
2. Instruções de segurança
Observe sempre as seguintes precauções de segurança para evitar choque elétrico, incêndio ou danos ao aparelho.
- Fonte de energia: Connect the device only to the specified power supply (Corded Electric). Ensure the voltage atende aos requisitos do dispositivo.
- Ventilação: Não obstrua as aberturas de ventilação. Garanta uma circulação de ar adequada ao redor do aparelho para evitar o superaquecimento.
- Umidade: Do not expose the device to rain or moisture. Do not place objects filled with liquids, such as vases, on the apparatus.
- Limpeza: Disconnect the power cord before cleaning. Use a dry cloth for cleaning. Do not use liquid cleaners or aerosol cleaners.
- Manutenção: Não tente consertar este produto sozinho. Encaminhe todos os serviços de manutenção para pessoal de serviço qualificado.
- Colocação: Place the unit on a stable, flat surface. Avoid placing it in direct sunlight or near heat sources.
3. Produto acabadoview
The Omnitronic EM-640 is a robust entertainment mixer designed for professional audio and video mixing. It features a comprehensive set of inputs and outputs to accommodate various setups.

Figura 3.1: Front panel of the Omnitronic EM-640 Animation Mixer, displaying microphone inputs, channel faders, EQ controls, and master output sections.
Recursos do painel frontal:
- Microphone Inputs (MIC 1, MIC 2): XLR and 6.3 mm jack inputs with individual Gain, High, Mid, Low, and Level controls.
- Canais 1 4-: Each channel features Gain, Peak indicator, and Level faders. Channels 1 and 2 are switchable between Line and Phono inputs. Channels 3 and 4 are Line inputs.
- Cue Buttons: Individual cue buttons for each channel to monitor audio through headphones.
- Output Sections (OUT 1, OUT 2, OUT 3): Each output section includes Bass, Mid, and Treble EQ controls, along with a master level knob.
- Interruptor de alimentação: Interruptor principal de alimentação da unidade.
- Phones Control: Saída de fone de ouvido com controle de nível.

Figura 3.2: Rear panel of the Omnitronic EM-640 Animation Mixer, displaying AC input, master outputs, and various line/phono inputs.
Conexões do painel traseiro:
- Entrada CA: Power connection for the unit.
- Master Outputs (MASTER OUTPUT 1, 2, 3): XLR and RCA stereo outputs for connecting to amplifiers ou dispositivos de gravação.
- Line Inputs (LINE 1-6): Stereo RCA inputs for connecting various audio sources.
- Phono Inputs (PHONO 1, 2): Stereo RCA inputs specifically for turntables, switchable with Line inputs.
4. Configuração
Follow these steps to set up your Omnitronic EM-640 mixer.
- Desembalagem: Carefully remove the mixer from its packaging. Inspect for any signs of damage during transit. Retain the original packaging for future transport or storage.
- Colocação: Place the mixer on a stable, flat, and well-ventilated surface. Ensure there is enough space around the unit for proper heat dissipation.
- Conexão de energia: Ensure the mixer's power switch is in the OFF position. Connect the provided power cord to the AC input on the rear panel and then to a suitable power outlet.
- Conectando Fontes de Áudio:
- Microfones: Connect microphones to the MIC 1 or MIC 2 XLR/6.3mm jack inputs on the front panel.
- Line Devices: Connect CD players, media players, or other line-level devices to the LINE inputs (1-6) on the rear panel using RCA cables.
- Turntables: Connect turntables to the PHONO inputs (1, 2) on the rear panel. Ensure the corresponding channel switch on the front panel is set to PHONO.
- Conectando as saídas:
- Saídas principais: Connect the MASTER OUTPUTs (1, 2, or 3) on the rear panel to your amplifier, powered speakers, or recording device using XLR or RCA cables.
- Fones de ouvido: Connect your headphones to the 6.3 mm jack on the front panel.
- Inicialização: Once all connections are secure, switch on your audio sources and output devices first. Then, switch on the Omnitronic EM-640 mixer using the power switch on the front panel.
5. Instruções de operação
This section details the basic operation of the Omnitronic EM-640 mixer.
5.1. Input Level Adjustment
- Controle de Ganho: For each input channel (MIC 1/2, Channels 1-4), adjust the GANHO knob to set the input sensitivity. Aim for the signal to be strong but not clipping (the PEAK indicator should only flash occasionally).
- Channel Level Faders: Use the vertical faders for each channel to control the individual volume of that input.
- EQ Controls (MIC): For microphone inputs, use the ALTO, MEIO, e BAIXO knobs to adjust the tonal characteristics of the microphone signal.
5.2. Output Level Adjustment
- Master Output Controls: Each of the three output sections (OUT 1, OUT 2, OUT 3) has a master level knob. Adjust these to control the overall volume sent to your connected amplifiers ou dispositivos de gravação.
- Output EQ Controls: Use o BASS, MEIO, e AGUDOS knobs in each output section to fine-tune the overall sound of that specific output.
5.3. Monitoramento com fones de ouvido
The EM-640 allows you to monitor individual channels or the master output through headphones.
- Cue Buttons: Pressione o DEIXA button below any channel fader to send that channel's audio to your headphones. You can cue multiple channels simultaneously.
- Nível de telefones: Ajuste o NÍVEL knob in the PHONES CONTROL section to set the headphone volume.
5.4. On Air Buttons
The "ON AIR" buttons for MIC 1 and MIC 2 activate or deactivate the microphone signals to the main mix. When "ON AIR" is engaged, the microphone signal is live.
6. Manutenção
Regular maintenance ensures the longevity and optimal performance of your mixer.
- Limpeza: Disconnect the power before cleaning. Use a soft, dry, lint-free cloth to wipe down the exterior of the unit. Do not use abrasive cleaners, solvents, or waxes.
- Remoção de poeira: Periodically use a soft brush or compressed air to remove dust from ventilation grilles and fader slots.
- Conexões de cabo: Regularly check all cable connections for secure fit and signs of wear. Replace damaged cables immediately.
- Armazenar: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place, ideally in its original packaging or a protective case.
7. Solução De Problemas
This section addresses common issues you might encounter with your EM-640 mixer.
| Problema | Possível causa | Solução |
|---|---|---|
| Sem energia | Power cord not connected; Power switch off; Power outlet faulty. | Ensure power cord is securely connected. Turn power switch ON. Test power outlet with another device. |
| Nenhuma saída de som | Output cables disconnected; Amplifier/speakers off or muted; Channel faders down; Master output level down. | Check all output cable connections. Ensure amplifier/speakers are on and not muted. Raise channel faders and master output levels. |
| No sound from a specific input channel | Input cable disconnected; Gain too low; Channel fader down; Incorrect input selected (Line/Phono). | Check input cable connection. Increase GAIN. Raise channel fader. Ensure correct Line/Phono switch setting. |
| Som distorcido | Input GAIN too high (PEAK indicator constantly lit); Output level too high; Faulty cable. | Reduce input GAIN. Lower master output level. Try replacing cables. |
| Zumbido ou ruído de zumbido | Ground loop; Faulty cables; Interference from other electronic devices. | Ensure all equipment is properly grounded. Use shielded cables. Move mixer away from other electronic devices. |
8. Especificações
Technical specifications for the Omnitronic EM-640 Animation Mixer.
| Recurso | Detalhe |
|---|---|
| Número do modelo | EM-640 |
| Dimensões (L x P x A) | 48.3 x 17.8 x 17.8 cm (aproximadamente 19 x 7 x 7 polegadas) |
| Peso | 3.7 kg (aprox. 8.16 lbs) |
| Fonte de energia | Elétrico com fio |
| Entradas | 6 x Line (Stereo RCA), 2 x Line/Phono (Stereo RCA, switchable), 2 x Microphone (XLR/6.3 mm jack) |
| Saídas | 3 x Master (XLR 3-pin or Stereo RCA), 1 x Headphone (6.3 mm jack) |
| Fabricante | Omnitrônico |
| Primeira data disponível | 6 de agosto de 2012 |
9. Garantia e Suporte
For warranty information and technical support, please refer to the official Omnitronic website or contact your local dealer. Keep your purchase receipt as proof of purchase.
Política de devolução: The product may be subject to a 30-day refund/replacement policy from the point of purchase, as per seller terms.
Para obter mais assistência, você pode visitar o MusicScout seller page on Amazon.nl.