iCon SpaceMon SM-1 Precision Headphone Amplifier - icon
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Product Information
Full details
The iCon SpaceMon SM-1 is a precision headphone amplifier designed for audio engineers, producers, musicians, and mobile creators who need a reliable, transparent reference amplifier. Its key benefit is the high gain (68 dB) and near-zero output impedance, ensuring effortless driving of high-impedance headphones (up to 600 Ohm) with exceptional clarity. A potential caveat is its professional-grade feature set, which may require some familiarity with audio interfaces and gain staging for optimal use. Key features include versatile input options, precise volume control, and a robust metal housing.
All features
| Model Part Number | 110906A2053 |
|---|---|
| Brand | ICON |
Extended Product Information
FAQs
What is the maximum impedance of headphones the SM-1 can drive?
The iCon SpaceMon SM-1 is designed to drive high-impedance headphones up to 600 Ohm effectively.
Does this amplifier add color to the sound?
No, the SpaceMon SM-1 features a near-zero output impedance (0.01 Ohm at 1 kHz) for transparent reproduction, meaning it aims to amplify the signal accurately without altering its tonal characteristics.
What types of audio sources can I connect?
You can connect sources via two balanced/unbalanced combo XLR/TRS jacks, two unbalanced RCA jacks, or a 3.5 mm stereo input for mobile devices.
Is a power supply included?
Yes, the amplifier comes with its dedicated 24 V/0.25 A power supply.
Can I use this amplifier for mobile production?
Yes, its robust housing and versatile inputs, including a 3.5mm jack, make it suitable for mobile creators needing a reliable reference amplifier on the go.
What is the benefit of the 117 dBA dynamic range?
A high dynamic range means the amplifier can reproduce very quiet and very loud sounds with clarity and detail, providing ample headroom and reducing the likelihood of distortion or noise.
How do I control the volume?
The SM-1 features a precise volume control knob on the front panel for exact level adjustments.
Troubleshooting
No sound from headphones
Ensure the power adapter is securely connected to the amplifier and a working outlet. Verify that the correct input source is selected using the illuminated buttons. Check that the headphone jack is fully inserted into the 1/4" TRS output and that the headphone cable itself is functional. Turn the volume knob up slowly.
Low volume even with volume knob at maximum
Check the output level of your audio source. If the source is sending a weak signal, the amplifier may not be able to compensate. Ensure the amplifier's input gain is not set too low if using XLR/TRS inputs. Test with a different, known-good audio source and headphones.
Audible hum or noise
Try connecting the power adapter to a different power outlet, preferably on a separate circuit, to rule out ground loop issues. Ensure all audio cables are properly shielded and connected securely. Move the amplifier away from potential sources of electromagnetic interference (e.g., large power supplies, monitors).
Input source not recognized
Confirm that the audio source is connected to the correct input (XLR/TRS, RCA, or 3.5mm). Ensure the selected input source on the amplifier matches the connection. Test each input individually with a known working source.
Pros and Cons
Pros
- Effortlessly drives high-impedance headphones.
- Extremely transparent sound reproduction due to low output impedance.
- Multiple input options for flexible source connection.
- Precise volume control for accurate level setting.
- Durable construction suitable for professional use.
Cons
- May be overkill for users with low-impedance headphones.
- Requires an external power supply (included).
- The professional feature set might have a slight learning curve for beginners.
- Limited output connectivity (primarily headphone out).
Setup, Compatibility & Care
Setup:
- Connect your audio source(s) to the appropriate input jacks (XLR/TRS, RCA, or 3.5mm).
- Connect your headphones to the 1/4" TRS output jack on the front panel.
- Connect the included 24 V/0.25 A power adapter to the amplifier and plug it into a wall outlet.
- Power on the unit using the illuminated source selection buttons.
- Select your desired input source.
- Slowly turn the volume knob to achieve your desired listening level.
Compatibility:
The SM-1 is compatible with any audio source providing line-level outputs (balanced or unbalanced) or a headphone output. It is designed to work optimally with headphones having impedance ratings from 32 Ohm up to 600 Ohm. The unit requires a standard power outlet.
Care:
- Keep the amplifier in a well-ventilated area to prevent overheating.
- Clean the exterior with a soft, dry cloth. Avoid using solvents or abrasive cleaners.
- Ensure the power adapter is not damaged and the connections are secure.
- Avoid exposing the unit to extreme temperatures or moisture.