McIntosh MI347
Image source — © McIntosh
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Model name
MI347
Input sensitivity (mV)
N/A
Input impedance (balanced) (Ω)
N/A
Input impedance (single-ended) (Ω)
N/A
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
Max current (A)
N/A
Output power (8Ω) (W)
250
Output power (4Ω) (W)
250
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
20 000
Signal to Noise Ratio (dB)
100
Total Harmonic Distortion + Noise (0% global feedback) (%)
N/A
Total Harmonic Distortion + Noise (100% global feedback) (%)
0.025
Max power consumption (W)
N/A
Damping factor
>85
Dimensions (mm)
483 x 154 x 533
Weight (kg)
14.8
Official link
This 12-channel amplifier, capable of delivering 50 watts per channel, has a pleasant appearance and can be mounted in a rack. The integrated cooling system eliminates the need to install noisy fans. The back panel has volume controls for each channel, four digital inputs, two optical and two coaxial. There are BUS connectors for connecting multiple amplifiers.
The power of the device is 120 watts per channel, which allows for effective amplification for voicing an area of more than 100 square meters. With a resistance of 4 ohms, the power increases to 150 watts. The high efficiency of the amplifier made it possible to eliminate noisy active cooling, traditional radiators are enough to maintain a normal operating temperature even with many hours of operation.
The McIntosh MI254 4-channel digital amplifier is a versatile multi-channel amplifier, ideal for use in a home theater or stereo sound reproduction system. It outputs 250 watts to 8 ohm speakers or 300 watts to 4 ohm speakers thanks to its sophisticated digital feedback switching amplifiers. These amplifiers are connected to extremely reliable power supplies that deliver performance levels rarely achieved in distributed audio.
The McIntosh MI502 dual-channel amplifier offers 500 watts per channel when operating on a load rated at 8 ohms or 800 watts at 4 ohms. The manufacturer claims that the new product uses innovative closed-loop digital switching technology and powerful power supplies that provide such outstanding performance combined with McIntosh's signature sound signature.
The MC8207 is a 7-channel amplifier that was designed to work as part of a home theater. You can use all seven channels to sound the system in a large room, or five for movies and two for a pair of speakers in an adjacent room. The amplifier outputs 200 watts per channel for speakers with an impedance of 4 or 8 ohms.