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The Audioproject A1725B-M Mono Preamplifier is designed to elevate your listening experience by amplifying and equalizing audio signals from various sources including PCs, smartphones, MP3 players, and more. This device features precise controls for treble, midrange, bass, and overall volume levels, allowing you to tailor your sound exactly to your preference. The heart of the A1725B-M is its active component, the original RC4558 from Texas, which ensures low distortion at only 0.003%, offering an impressive gain of 12dB for clear and powerful sound output. With a frequency response ranging from 20Hz to 20KHz, it captures a wide audio spectrum, making every note sound vibrant and dynamic.

This preamplifier is convenient for general audio usage and musical instrument connection, providing a single channel input and output. Please note, however, that it is not compatible with microphones or turntable cartridges. The unit comes fully assembled and tested with a connection diagram included, ensuring easy setup. However, it does not include a power supply or knobs, which are sold separately. With a nominal power supply requirement of 12+12 VDC, it is advisable to use a standard power source, as it is not suitable for PC power units or car batteries. Trust in Audioproject's 15 years of experience in high-quality electronic designs for audio equipment, a brand that supports local craftsmanship while providing reliable, state-of-the-art products.

Usage ideas
Connect the A1725B-M to your home audio system for enhanced sound quality. Use it to amplify signals from smartphones, MP3 players, or musical instruments for live performances. Adjust the treble, midrange, and bass according to your audio preferences for immersive listening sessions. Perfect for creating your own setup in a home studio or practice space. Ideal for music enthusiasts looking to improve their audio playback or recording quality.

Frequently asked questions
Is this unit an equalizer?: Yes, it acts as an equalizer for your audio signals.
Can I use a 19+19 2A power supply with this preamplifier?: Unfortunately, you cannot. The maximum recommended power supply is 12+12V DC.
What power and current should I use?: You need a symmetrical power supply of either 12+12V DC or 15+15V DC.
Can I connect this preamplifier to my 4 or 8 ohm speakers?: Yes, it works perfectly with those speaker impedances.
Is a switching power supply acceptable?: Only if it's symmetrical with +0 and - outputs, which are rare.
Can this preamplifier be used to control bass, treble, and midrange?: Yes, it effectively manages the audio frequencies without any issues.

- Marca: Audioproject
- Condición del ítem: Nuevo
- Modelo: A1725B-M
- SKU: A1725-M
- Cantidad de canales: 1
- Voltaje: 12+12Vcc
- Tipo de alimentación: 12+12 VDC
- Respuesta en frecuencia: 20 Hz a 20 KHz
- Tipo de salida: Línea
- Cantidad de salidas: 1
- Cantidad de entradas: 1
- Tipo de preamplificador: Linea
- Instrumentos compatíveis: Uso General. Instrumentos
- Tipo de entrada: General e Instrumentos

Vendor listing title: Preamplificador Mono Agudos Medios Graves Vol - Audioproject