PROTEK B-820 Audio Oscillator

( Brand: Protek ), ( Manufacturer Part Number: B-820 ), ( Type: Multi-effects Processor )

Review PROTEK Audio Oscillator

The Protek B-820 Audio Oscillator is a versatile and high-performance audio generation device, designed for various applications in music production, sound design, and educational settings. This compact, battery-operated oscillator offers an extensive frequency range of 12 Hz to 22 kHz, providing a broad spectrum of audible sounds from sub-bass to high-frequency tones.

The B-820 features five waveform types: sine, triangle, square, sawtooth, and pulse width modulation (PWM). The PWM waveform offers adjustable duty cycle, allowing for the creation of unique and complex sounds. The device boasts a fine frequency adjustment knob, enabling precise tuning and frequency modulation capabilities.

The oscillator comes equipped with a built-in speaker, allowing for immediate audio playback without the need for external equipment. Additionally, the B-820 features a 3.5mm headphone jack and a 3.5mm line output, allowing for private listening or connection to external amplifiers, mixers, or recording devices.

The device is battery-powered by two AA batteries (not included) and is designed for long battery life, ensuring hours of continuous use. The Protek B-820 Audio Oscillator is housed in a rugged, compact case, making it an excellent choice for both studio and field applications.

In summary, the Protek B-820 Audio Oscillator is a versatile, high-performance, and battery-operated device that offers an extensive frequency range, five waveform types, and adjustable duty cycle for PWM. Its built-in speaker, headphone jack, and line output make it a convenient and adaptable solution for music production, sound design, and educational purposes.

The Protek B-820 Audio Oscillator is a versatile and feature-rich device that is widely used in various applications, including sound design, music production, and electronic music performances. Here are some pros and cons of buying a Protek B-820 Audio Oscillator:

1. Wide Frequency Range: The Protek B-820 can generate frequencies from 16 Hz to 22 kHz, making it suitable for a wide range of applications.

2. Multiple Waveform Shapes: It offers 11 different waveform shapes, including sine, square, sawtooth, triangle, and pulse waves.

3. FM and Ring Modulation: The oscillator includes FM and ring modulation capabilities, adding more versatility to its sound design capabilities.

4. MIDI Control: The device supports MIDI control, allowing users to control various parameters using a MIDI controller or sequencer.

5. CV/Gate Input: The Protek B-820 comes with CV/Gate input, making it easy to integrate with other modular synthesizers and external hardware.

6. Low Power Consumption: The oscillator has a low power consumption of only 100mA, making it an energy-efficient choice for live performances.

7. Portability: With its compact size and rugged design, the Protek B-820 is an ideal choice for those who require a portable and robust oscillator.

1. Limited Connectivity: The device does not offer extensive connectivity options, with only one CV/Gate input and one MIDI input.

2. No Display: The Protek B-820 does not come with a display, which might make it challenging for some users to set specific parameters.

3. Manual Tuning: While the oscillator has a built-in tuning function, it may require manual adjustments for precise tuning.

4. Limited Envelope Generator: The device does not come with a built-in envelope generator, meaning users will need to invest in an additional module if they require envelope control.

In conclusion, the Protek B-820 Audio Oscillator offers a wide range of features, making it an excellent choice for those who require a versatile and compact oscillator for sound design and electronic music production. Its wide frequency range, multiple waveform shapes, and FM and ring modulation capabilities make it a valuable addition to any modular synthesizer setup. However, its limited connectivity options, lack of a display, and manual tuning might be drawbacks for some users.

If you're looking for a compact, versatile, and feature-rich audio oscillator for sound design and electronic music production, the Protek B-820 Audio Oscillator is an excellent choice. Its wide frequency range, multiple waveform shapes, and FM and ring modulation capabilities make it a versatile tool for creating complex and intricate sounds. However, if you require extensive connectivity options, a built-in envelope generator, or a display, you may want to consider other options. Ultimately, the Protek B-820 is a solid investment for those who value portability, ease of use, and a wide range of sound design capabilities.

Details:

This model offers a wide range of audio manipulation capabilities 200hz - 200khz, making it versatile tool for testing, sound engineers, and producers. With its user-friendly interface and high-quality build, the Protek B-820 is a reliable choice for enhancing shaping audio signals in various settings. This unit is has been fully tested and in good working condition.

part #: b820 price

• $80.00

specifications signalprocessorgo:

• brand: Protek
• mpn: B-820
• type: Multi-effects Processor

general signalprocessorgo:

• Musical Instruments Gear > Pro Audio Equipment > Signal Processors/Rack Effects
• condition: Used

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• # reviews: 9

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• started: June 7, 2026
• quantity: 1