RADIO DESIGN LABS ST-GCA2 Stick Controlblack Compressor Gate Control Amplifier

( Brand: Radio Design Labs ), ( Manufacturer Part Number: ST-GCA2 ), ( Type: Dynamic Range Processor ), ( Features: Active ), ( Effect/enhancement: Compression/limiting, Noise Gating/expansion ), ( Analog/digital: Analog ), ( Color: Black )

Review RADIO DESIGN LABS Stick on Fast Gain Controlblack Compressor Gate

The Radio Design Labs ST-GCA2 is a compact and versatile stick-on control module designed for building custom guitar effects pedals. This black compressor gate control amplifier is an essential component for musicians seeking to expand their tonal palette and enhance their live or recording performances.

Measuring at just 2.7 inches long, 1.5 inches wide, and 0.5 inches tall, the ST-GCA2 is designed to save valuable pedalboard real estate. Its sleek, low-profile design allows easy installation with the included 3M adhesive pad. Once mounted, the ST-GCA2's control layout offers quick and intuitive access to essential compression and gate functions.

At the heart of this control amplifier is a high-performance, discrete Class A JFET design. This circuitry delivers a natural, transparent compression effect that retains the integrity of your guitar tone. The ST-GCA2 also features an adjustable attack time, ranging from 10ms to 20ms, allowing you to dial in the perfect compression response for your playing style.

The gate function, accessible via the dedicated footswitch input, adds an extra layer of control. It allows you to mute the output signal below a set threshold, perfect for eliminating unwanted noise or creating unique stutter effects. The gate threshold can be adjusted with a potentiometer on the module, providing fine-tuning capabilities for your specific guitar and pickups.

The ST-GCA2 control amplifier is built to last, with a rugged, hand-soldered PCB and a robust 16-gauge steel enclosure. It can handle a maximum input level of 14dBu and boasts a low power consumption of just 15mA. This control amplifier is designed to work seamlessly with a variety of other effects pedals and signal processors, making it a valuable addition to any pedalboard setup.

Whether you're a seasoned guitarist looking to expand your tonal capabilities or a DIY enthusiast building your first custom pedal, the Radio Design Labs ST-GCA2 stick-on control module offers unparalleled versatility, performance, and ease of use. With its compact design, robust construction, and high-quality components, this control amplifier is sure to become an indispensable part of your guitar rig.

The Radio Design Labs ST-GCA2 is a stick-on control for a black compressor/gate control amplifier. This device is designed to provide voltage control over the threshold and attack time of a compressor or gate circuit. Here are some potential pros and cons of buying this product:

1. Easy to install: The ST-GCA2 is a stick-on control, which means it can be attached directly to the compressor or gate control amplifier without the need for additional wiring or mounting hardware.

2. Adjustable threshold and attack time: The control allows you to adjust the threshold and attack time of the compressor or gate circuit, giving you greater control over the dynamics of your audio signal.

3. Versatile application: The ST-GCA2 can be used with a wide range of compressor and gate control amplifiers, making it a versatile addition to any audio setup.

4. Affordable: The ST-GCA2 is relatively inexpensive compared to other compressor and gate control solutions, making it an attractive option for budget-conscious audio enthusiasts.

1. Limited range of control: The ST-GCA2 provides voltage control over the threshold and attack time, but it may not provide enough range of control for more advanced applications.

2. Requires a power supply: The ST-GCA2 requires a power supply to operate, which may add to the complexity and cost of your audio setup.

3. Limited compatibility with some amplifiers: While the ST-GCA2 can be used with a wide range of compressor and gate control amplifiers, it may not be compatible with all models, so it's important to check the compatibility before making a purchase.

The Radio Design Labs ST-GCA2 stick-on control for black compressor and gate control amplifiers offers easy installation, adjustable threshold and attack time, and versatile application at an affordable price. However, it has limitations in terms of the range of control and compatibility with some amplifiers, and it requires a power supply to operate. Ultimately, the decision to buy the ST-GCA2 depends on your specific audio needs and budget. If you require more advanced compressor or gate control features or compatibility with a specific model, you may want to consider other options. However, if you're looking for a simple and affordable solution to add greater control over the dynamics of your audio signal, the ST-GCA2 may be an excellent choice.

Details:

Item is in good used condition, there some cosmetic wear from normal use. This only comes with what is pictured. Please refer to the pictures for more details.

part #: stgca2 price

• $60.00

specifications signalprocessorgo:

• brand: Radio Design Labs
• mpn: St-gca2
• type: Dynamic Range Processor
• features: Active
• effect/enhancement: Compression/limiting, Noise Gating/expansion
• analog/digital: Analog
• color: Black

offer signalprocessorgo:

• quantity: 1
• best offers: True
• started: January 28, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home

shipping signalprocessorgo:

• transit: 3-7 Days
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• type: Fixed
• cost: $5.00

payments signalprocessorgo:

• wallet: Google-pay
• other
• credit card: Visa

seller signalprocessorgo:

• # reviews: 7156
• city: Pittsburgh, Pennsylvania
• rating: 99.5%

general signalprocessorgo:

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

returns signalprocessorgo:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

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