1. Introdução
The Tascam DR-40 is a versatile 4-track portable digital recorder designed for high-quality audio capture on the go. It offers a comprehensive set of tools for recording in various environments, from live music performances to audio for video production. Key features include built-in microphones, XLR/TRS combo inputs with Phantom power, dual-mode recording, automatic level adjustment, and a built-in limiter to ensure optimal sound quality.

Figura 1: Frente view of the Tascam DR-40 Portable Digital Recorder.
2. Configuração
2.1. Instalação da bateria
The DR-40 operates on 3 AAA batteries. To install, open the battery compartment located on the back of the device. Insert the batteries according to the polarity indicators and close the compartment securely.

Figura 2: Voltar view of the DR-40, highlighting the battery compartment.
2.2. Inserção do cartão SD
The device records to SD/SDHC/SDXC cards. A 2GB card is typically included. Locate the SD card slot on the side of the recorder. Gently insert the SD card until it clicks into place. To remove, push the card in slightly until it springs out.

Figura 3: Lateral view of the DR-40, showing the USB port and SD card slot.
2.3. Ligar/desligar
Press and hold the power button to turn the device on or off. The LCD screen will illuminate upon startup.
3. Instruções de operação
3.1. Modos de gravação
The DR-40 supports various recording modes:
- 4-Track Recording: Simultaneously record from the built-in microphones and external mic inputs.
- Gravação dupla: Captures a safety track at a lower level to prevent distorted takes, ensuring a usable backup.
- Stereo Recording: Utilizes the built-in microphones or two external inputs for stereo capture.
3.2. Microphone Configuration
The built-in microphones can be switched between X-Y and A-B positions to adjust the stereo field and capture different acoustic perspectives.

Figura 4: parte superior view of the DR-40, illustrating the adjustable built-in microphones.
3.3. External Inputs and Phantom Power
The DR-40 features XLR/TRS combo inputs for connecting external microphones or line-level sources. Phantom power (+48V) can be enabled for condenser microphones requiring external power.

Figura 5: parte inferior view of the DR-40, highlighting the XLR/TRS combo inputs.
3.4. Input Level Adjustment
The device offers automatic level adjustment and a built-in limiter to prevent clipping and ensure consistent recording levels. Manual input level controls are also available for precise adjustments.

Figura 6: Lateral view of the DR-40, showing the input level adjustment controls.
3.5. Menu de Navegação
Navigate through the device's settings and functions using the intuitive button layout and LCD screen. The menu provides clear options for recording settings, playback, and system configurations.
3.6. Reprodução
Gravado files can be played back through the built-in speaker or via the 3.5mm headphone jack. Use the volume controls to adjust playback levels.
Vídeo 1: Um excessoview of the Tascam DR-40's features and functionality.
4. Manutenção
Keep the device clean by wiping it with a soft, dry cloth. Avoid exposing it to extreme temperatures, humidity, or direct sunlight. Ensure the battery compartment is dry and free of corrosion. Remove batteries if the device will not be used for an extended period.
5. Solução De Problemas
5.1. Problemas de gravação
- Áudio distorcido: Check input levels and ensure the limiter is active. Use dual recording mode as a backup.
- Sem gravação: Verify that an SD card is inserted and has sufficient free space. Check battery levels.
5.2. Problemas de energia
- Dispositivo não liga: Ensure batteries are correctly inserted and charged, or connect via USB power.
- Loss of Recording Due to Power Loss: The device may not finalize the last recorded file if power is abruptly cut. Ensure proper shutdown or use external power for critical recordings.
6. Especificações
| Recurso | Detalhe |
|---|---|
| Peso do item | 7.5 onças (0.21 quilogramas) |
| Dimensões do produto | 5.5 x 3.5 x 8 polegadas (3.5"D x 5.5"L x 8"A) |
| Número do modelo do item | DR-40 |
| Baterias | 3 AAA batteries required (included), Alkaline type |
| SampFreqüência ling | 44.1K/48K Hz |
| Resolução | Up to 96Hz/24-bit |
| interface de hardware | USB |
| Entrada para fones de ouvido | 3.5 milímetros |
| Capacidade de armazenamento de memória | 2 GB (supports SD/SDHC/SDXC) |
| Formato de mídia | WAV |
| Dispositivos compatíveis | Various devices with audio input capabilities |

Figure 7: Tascam DR-40 with key dimensions.
7. Garantia e suporte
Refunds are only available within the first 7 days after purchase. For further support or inquiries, please refer to the official Tascam website ou entre em contato com seu revendedor.





