
ST-GCA3 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $52.00 | Condition is Open box, RDL ST-GCA3 Gain Control Amplifier, FREE SHIPPING | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $191.00 | Condition is New, RDL ST-GCA3 Gain Control Amplifier, FREE SHIPPING | 99.3% |
![]() | $223.57 | Top Pick! Condition is New, RDL ST-GCA3 Line Level AGC Amplifier / Slow / Fast / 24V, FREE SHIPPING | 99.8% |
![]() | $229.00 | Top Pick! Condition is New, RDL ST-GCA3 Stick-On Gain Control Amplifier, Wide Dynamic Range AGC, shipping cost = $7.75 | 99.9% |

The RDL ST-GCA3 Line Level Control Amplifier, from Radio Design Labs, is a versatile and high-performance audio solution that is ideal for a wide range of professional audio applications. This amplifier is designed to provide precise gain control and level adjustment for line-level audio signals, making it an excellent choice for applications such as broadcast studios, live sound reinforcement, and post-production facilities.
The ST-GCA3 features a balanced XLR input and output, which ensures excellent signal integrity and reduces noise and interference. It also offers a variable gain control knob, allowing you to adjust the amplifier's gain from -60 dB to 18 dB in 0.5 dB increments. This level of precision is crucial for ensuring that the audio signal remains at the optimal level, preventing distortion and ensuring consistent sound quality.
One of the standout features of the ST-GCA3 is its high-quality, low-noise circuitry. This ensures that the amplifier delivers clean, clear audio with minimal distortion, even at high gain settings. The amplifier also includes a DC offset eliminator, which ensures that the output signal is free from any unwanted DC offset, ensuring that the audio signal is always accurate and reliable.
The ST-GCA3 is also highly flexible, with a range of options for powering the unit. It can be powered via a 12V DC power supply, or it can be connected to a balanced line level source for power. This makes it easy to integrate the amplifier into a wide range of audio systems, and ensures that it can be used in a variety of different environments.
In terms of construction, the ST-GCA3 is built to last. It features a rugged, aluminum chassis that is designed to withstand the rigors of professional use. The unit also includes a surround-mounting bracket, making it easy to install in a variety of locations.
Overall, the RDL ST-GCA3 Line Level Control Amplifier is a high-quality, versatile, and reliable audio solution that is ideal for a wide range of professional audio applications. Its precise gain control, low-noise circuitry, and flexible power options make it an excellent choice for anyone looking to improve the sound quality of their audio system.
Pros of purchasing a RDL ST-GCA3 Line Level Control Amplifier:1. High-quality components: The RDL ST-GCA3 uses high-quality components to ensure reliable performance and long-term durability.
2. Flexible control options: The amplifier offers a variety of control options, including remote control, RS-232, and Ethernet, which allows for easy integration with other systems.
3. Adjustable gain: The amplifier has an adjustable gain range of 0 dB to 24 dB, which allows for fine-tuning of the output level to match the specific requirements of the system.
4. Low noise: The amplifier has a low noise floor, which helps to ensure clear and distortion-free audio.
5. Compact size: The ST-GCA3 is a compact, rack-mountable design, which makes it easy to install in a variety of environments.
Cons of purchasing a RDL ST-GCA3 Line Level Control Amplifier:1. Price: The ST-GCA3 is a premium product, and its price may be out of reach for some budget-conscious buyers.
2. Limited power output: The amplifier has a limited power output of 100 watts per channel, which may not be sufficient for some larger systems.
3. No built-in DSP: The amplifier does not have built-in digital signal processing (DSP) capabilities, which may limit its ability to handle more complex audio processing tasks.
Conclusion:The RDL ST-GCA3 Line Level Control Amplifier is a high-quality product that offers a variety of flexible control options and adjustable gain settings. Its compact size and low noise floor make it an excellent choice for many applications. However, its price and limited power output may be a drawback for some buyers. If you require more powerful amplification or built-in DSP capabilities, there may be other options that better suit your needs. Ultimately, the decision to purchase the ST-GCA3 should be based on your specific requirements and budget.
Recommendation:If you are looking for a high-quality line level control amplifier with flexible control options and adjustable gain, the RDL ST-GCA3 is an excellent choice. Its compact size and low noise floor make it an ideal solution for many audio applications. However, be aware of its price and limited power output, and consider other options if these factors are important to you.
Details:
Radio design labs line level gain control amplifier - ST-GCA3: item dimensions lxix: 14 x 12 8 inches. Shipping handling. Manufacturer: radio design labs. Price for: each order unit: each 1.
Product dimensions: 14 x 12 8 inches. Item model number: st gca3. Mounting type: surface mount. Is discontinued by manufacturer: no.
Express shipping services are available.
specifications audioproequip:
- brand: Rdl
- mpn: St-gca3
- part type: Radio Lab Level Control Amplifier
- upc: 813721012289
payments audioproequip:
- wallet: paypal
- credit card: discover
shipping audioproequip:
- service: standard
- transit: 4-9 days
- type: fixed
- class: standard
seller audioproequip:
- # reviews: 12058
- rating: 97.9%
- city: us,
returns audioproequip:
- time: 30 days
- paid by: seller
- policy: returns accepted
- method: money back
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
offer audioproequip:
- started: april 24, 2024
- in stock #: 4
- availability: in stock
- prices: $191.00–$229.00
- item condition:
- Open box
- New
- options: ship-to-home
- sold #: 31
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