STM2270 - Mixer Vonyx - Free user manual and instructions
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| Product Type | Analog Mixer |
| Brand | Vonyx |
| Model | STM2270 |
| Channels | 2 (stereo) + 1 microphone |
| Inputs | 2 x 1/4" TRS line inputs, 1 x XLR mic input |
| Outputs | 2 x RCA (stereo out), 1 x 1/4" headphone |
| Frequency Response | 20 Hz - 20 kHz |
| Power Supply | 12 V DC, 500 mA (via included adapter) |
| Dimensions (W x D x H) | 180 x 130 x 50 mm |
| Weight | 0.6 kg |
| Material | Aluminum chassis with plastic knobs |
| Main Functions | Volume control, tone adjustment, headphone monitoring |
| Usage | Home studio, small PA, podcasting |
| Maintenance | Clean with dry cloth; avoid liquids |
| Safety | Do not expose to moisture; use only provided power adapter |
| Spare Parts | Power adapter is replaceable; contact supplier |
| Repairability | Limited; professional service recommended for internal issues |
| General Information | Compact mixer for basic audio mixing needs |
Frequently Asked Questions - STM2270 Vonyx
How do I connect a microphone to the STM2270?
Connect your microphone to the XLR input on the front panel. Ensure the microphone is dynamic or self-powered; phantom power is not provided.
What power supply does the STM2270 require?
The mixer uses a 12V DC power adapter with 500 mA current rating. Use only the included adapter to avoid damage.
Can I use the STM2270 with a laptop or smartphone?
Yes, connect your device to the RCA inputs with a 3.5mm to RCA cable. For output, use the RCA jacks to connect to speakers.
Why is there no sound from the output?
Check that all volume knobs are turned up and the power LED is on. Verify cables are securely connected and the source device is playing.
How do I adjust the tone or EQ?
The STM2270 has simple tone controls (bass and treble) for each channel. Rotate the knobs to adjust the frequency response.
Can I record audio with this mixer?
Yes, you can connect the RCA outputs to a recording device or computer audio interface to capture the mixed audio.
What is the maximum input level?
The line inputs accept signals up to +4 dBu. Avoid overdriving the inputs to prevent distortion.
Does the STM2270 have phantom power?
No, phantom power is not available. Use dynamic microphones or self-powered condenser microphones.
How do I clean the mixer?
Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or spray directly onto the device.
Where can I find a replacement power adapter?
Contact Vonyx customer support or an authorized dealer. The adapter must be 12V DC, 500 mA, center positive.
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USER MANUAL STM2270 Vonyx
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Product information
Brand : Vonyx
Model : STM2270
Category : Mixer