MCH-K38 - Amplifier NuPrime - Free user manual and instructions
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| Product Type | Multi-Channel Power Amplifier |
| Brand | NuPrime |
| Model | MCH-K38 |
| Amplifier Class | Class D |
| Number of Channels | 8 |
| Output Power per Channel | 100 W RMS (8 ohms) |
| Frequency Response | 20 Hz - 20 kHz ± 0.5 dB |
| Input Impedance | 47 k ohms |
| Inputs | RCA, XLR |
| Outputs | Binding posts |
| Power Supply | 100-240 V AC, 50/60 Hz |
| Power Consumption | 200 W (idle), 800 W (max) |
| Dimensions (W x D x H) | 430 mm x 300 mm x 80 mm |
| Weight | 8 kg |
| Chassis Material | Aluminum |
| Finish | Black |
| Cooling | Passive (heat sink) |
| Features | Trigger input, auto-standby, bridgeable |
| Included Accessories | Power cord, user manual |
| Maintenance | Wipe with dry cloth; do not use solvents |
| Safety | Do not expose to moisture; ensure ventilation |
| Repair | Refer to qualified service professional |
Frequently Asked Questions - MCH-K38 NuPrime
How do I connect my speakers to the MCH-K38?
Connect speakers using banana plugs or bare wire to the binding posts. Ensure correct polarity (positive to red, negative to black).
What power supply does the MCH-K38 require?
It operates on 100-240 V AC at 50/60 Hz. Do not use a different voltage without a transformer.
Can I bridge channels for more power?
Yes, the MCH-K38 supports bridging of two channels to deliver higher power (e.g., 300 W into 8 ohms). Refer to the manual for bridging configuration.
Why is there no sound from the amplifier?
Check that the amplifier is powered on, the input source is active, and the mute function is disabled. Also ensure speaker connections are secure and the correct input is selected.
How do I clean the MCH-K38?
Use a soft, dry cloth to clean the chassis. Do not use any abrasive cleaners or liquids as they may damage the finish.
What is the warranty period for the MCH-K38?
NuPrime typically offers a 1-year warranty from the date of purchase. Check with your dealer for regional variations.
Can I use the MCH-K38 with a home theater system?
Absolutely, the 8-channel design is ideal for multi-room audio or home theater setups. Use a compatible AV preamplifier.
Does the MCH-K38 have a trigger input?
Yes, it includes a 12V trigger input for remote power-on with compatible components. Use a 3.5mm mono cable.
What is the recommended impedance for speakers?
The amplifier is stable with 4 to 8 ohm speakers. Using lower impedance may cause overheating.
How can I mount the MCH-K38 in a rack?
The unit is rack-mountable with standard 19-inch racks. Attach the included rack ears to the sides for secure mounting.
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USER MANUAL MCH-K38 NuPrime
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Product information
Brand : NuPrime
Model : MCH-K38
Category : Amplifier