AMP1A-PLUS - Monitor Wohler - Free user manual and instructions
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| Product Type | Self-powered monaural audio monitor |
| Brand | Wohler |
| Model | AMP1A-PLUS |
| Power Output | 20 W RMS into 4 ohms |
| Driver | 4-inch (102 mm) full-range speaker |
| Frequency Response | 80 Hz – 20 kHz (±3 dB) |
| Inputs | 1x balanced XLR, 1x unbalanced RCA |
| Outputs | 1x 1/4-inch (6.35 mm) headphone jack |
| Controls | Input level, bass, treble, power switch |
| Power Supply | AC 100-240 V, 50/60 Hz |
| Dimensions | 7.7 x 6.3 x 5.5 in (196 x 160 x 140 mm) |
| Weight | 2.7 kg (5.9 lbs) |
| Mounting | Tabletop with rubber feet; optional rack-mount kit |
| Design | Compact, rugged metal chassis |
| Safety | Overcurrent, overvoltage and thermal protection |
| Maintenance | Wipe with a soft, dry cloth; avoid moisture |
| Spare Parts | Amplifier module, speaker driver, external power supply |
| Repairability | Modular construction, parts available through Wohler service centers |
| Compliance | CE, RoHS |
Frequently Asked Questions - AMP1A-PLUS Wohler
What is the Wohler AMP1A-PLUS used for?
The AMP1A-PLUS is a self-powered monaural audio monitor designed for broadcast and post-production environments. It provides accurate audio monitoring with a balanced XLR input and an integrated amplifier, making it ideal for critical listening.
How do I connect an audio source to the AMP1A-PLUS?
Connect your audio source to the balanced XLR input or the unbalanced RCA input. For professional equipment, use a balanced XLR cable. For consumer devices, an RCA-to-XLR adapter may be needed. The input can be selected via the front panel.
Can I adjust the volume and tone?
Yes, the unit features a front-panel volume control as well as bass and treble tone controls to tailor the sound to your monitoring environment.
Does the AMP1A-PLUS have a headphone output?
Yes, there is a 1/4-inch (6.35 mm) headphone jack on the front panel that automatically mutes the internal speaker when headphones are connected, allowing for private listening.
What is the power output and frequency response?
The built-in amplifier delivers 20 watts RMS into 4 ohms, and the frequency response spans 80 Hz to 20 kHz with a tolerance of ±3 dB, ensuring accurate reproduction of audio material.
What are the power supply requirements?
The monitor operates on standard AC mains power from 100 to 240 V, 50/60 Hz. It uses an external power adapter, which can be plugged into any wall outlet and automatically adjusts to the local voltage.
Can the AMP1A-PLUS be rack-mounted?
Yes, an optional rack-mount kit is available that allows the monitor to be installed in a standard 19-inch equipment rack, saving space in professional installations.
How should I clean and maintain the monitor?
To clean, gently wipe the cabinet and controls with a soft, dry cloth. Do not use water, solvents, or abrasive cleaners. Ensure the unit is unplugged before cleaning. There is no user-serviceable internal component access.
What should I do if there is no sound?
First, check that the power adapter is connected and the power switch is on. Verify the audio source is sending signal and the volume control is not at zero. If using headphones, ensure they are not plugged in unless needed. If the problem persists, test the input cable on another device or contact technical support.
Is the AMP1A-PLUS repairable?
Yes, the monitor is designed with a modular construction for serviceability. Individual components such as the amplifier module, speaker driver, and power supply can be replaced. Contact an authorized Wohler service center for spare parts and repairs.
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USER MANUAL AMP1A-PLUS Wohler
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Product information
Brand : Wohler
Model : AMP1A-PLUS
Category : Monitor