MUSMYS / A70
Power with presence.
Built for your system.
The A70 is a separate Class A power amplifier for a component-based stereo system. It combines balanced and RCA input specifications with a substantial enclosure. Check preamplifier matching, support-shelf capacity and ventilation before selecting this approximately 48kg component.

DESIGN & CONTROL
Built for its role.
Matched to your system.
- Balanced input impedance: 40k ohms; RCA input impedance: 20k ohms.
- Gain: 28dB.
- Specified load range: 2-16 ohms. Confirm your speaker load before use.
- Specified idle power consumption: 300W. Allow ventilation and clear airflow.
- Use a suitable preamplifier or compatible source with volume control.
PRODUCT VIEWS & PLACEMENT
The details.
From every angle.
- Dimensions: 430mm W x 520mm D x 220mm H, excluding feet
- Net weight: Approximately 48kg
Plan connection access and ventilation before installation.






TECHNICAL DETAILS
Know the details.
Choose with confidence.
| Output power | 100W x 2 into 8 ohms, specified as Class A output; 200W x 2 into 4 ohms; 400W x 2 into 2 ohms |
|---|---|
| Total harmonic distortion | 0.02% into 4-16 ohms; 0.06% into 2 ohms, at 20Hz-20kHz |
| Intermodulation distortion | 0.01% |
| Frequency response | 20Hz-20kHz, +0/-0.2dB at rated output; 0.5Hz-160kHz, +0/-3dB at 1W |
| Signal-to-noise ratio | 118dB |
| Damping factor | 800 at 8 ohms, 50Hz |
| Dimensions | 430mm W x 520mm D x 220mm H, excluding feet |
| Net weight | Approximately 48kg |
DELIVERY & AFTERCARE
A considered journey.
From us to your system.
- Choose the correct mains-voltage version and confirm local voltage and frequency before ordering.
- International orders may be subject to import duties, customs-clearance charges and local taxes. These charges are the buyer's responsibility.
- Provide an accurate delivery address and monitor order emails in case the carrier needs additional information.
- A power cord is not included.
Questions about system matching, voltage selection or shipping? Contact MUSMYS support before placing your order. Read our Hi-Fi Amplifier FAQ for system preparation.
ORIGINAL PRODUCT MATERIALS
Explore the complete product guide.
Open each part for original photographs, construction details and dimensional information.
A70 · Product guide 01 +

A70 · Product guide 02 +

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A70 · Product guide 05 +

Ready for your next component?
Talk to MUSMYS about system matching, mains requirements and delivery.













