TOA TX-70A Professional Interface Audio Input Converter Converts 25/70/100V Speaker Signals to Unbalanced Line Level
- The TX-70A converter is the ideal solution for converting speaker signals from high-voltage 25V, 70V, or 100V lines to an unbalanced audio line, making it an essential tool in professional audio systems that require matching speaker outputs with audio device inputs such as amps or low-voltage amplifiers. The device features high signal transmission accuracy with the ability to manually adjust the output level to match the incoming signal strength, helping to maintain sound quality without distortion or loss.
- The TX-70A features a compact size and simple design that makes it easy to install anywhere, with full frequency spectrum coverage from 20 Hz to 20 kHz, ensuring clear and pure sound transmission in all audio applications.
Technical description:
- The TX-70A is a specialized audio transformer that converts high-voltage speaker signals (25/70/100V) into an unbalanced line-level audio signal. It features an accurate frequency response and low distortion of less than 0.05% at 1 kHz. It includes a trimmer switch to precisely select the output level based on the voltage or power coming from the speaker line.
Technical specifications:
- Input types: 25V, 70V, 100V
- Output Type: Unbalanced Line-Level
- Frequency response: 20Hz to 20kHz ±0.5dB
- Total Distortion (THD): Less than 0.05% at 1 kHz
- Operating temperature: 0 to 55°C
- Package Dimensions: 2 x 2 x 4 inches
- Weight: 136 grams
- Packaging Type: Carton Box
- Customs Tariff Code: 8543.70.9860
Main features:
- Converts high-voltage speaker signals into audio signals usable with conventional audio equipment.
- Full frequency coverage ensures accurate, high-quality sound transmission.
- Ultra-low distortion to maintain sound purity
- The output level can be precisely adjusted according to the input signal.
- Compact design and easy installation
Product Summary:
- The TX-70A is a simple yet essential tool for any audio system with 25V, 70V, or 100V outputs that needs to be connected to unbalanced line inputs. It delivers reliable performance with easy control and high-fidelity audio transmission.
Additional features:
- Flexibility in connecting multi-voltage audio systems and different recording or playback equipment
- Compact design makes it easy to integrate into distribution boxes or audio control devices.
- No external power source required
Applications used for the product:
- Mosques: To connect high-line speakers to internal amplifiers or recording systems.
- Schools and hospitals: To transmit main speaker signals to control rooms or alarm systems
- Hotels and malls: To connect public address systems to playback or recording equipment.
- Internal radio systems: To convert the speaker signal to a broken line input or low-voltage amplifier
Summary and final advice:
- If you're looking for an efficient way to convert high-voltage speaker signals into balanced line audio without loss of quality or technical complexity, the TX-70A is the perfect solution. Its intelligent design, high performance, and ease of use make it a must-have for any audio engineer or technician working in professional audio distribution systems.
