key details about this classic piece of audio equipment:
- Specifications:
- Power Output: 40 watts per channel (stereo) or 80 watts in mono mode.
- Frequency Response: 16 Hz to 40 kHz (±0.1 dB).
- Distortion: 0.5%.
- Noise & Hum: -90 dB.
- Output Impedance: Available for 4, 8, 16, 125, and 600 ohms (600 ohm center tap internally grounded; 2, 4, 8, 16, and 32 ohms in mono mode).
- Output Voltages: Isolated 25V, one side grounded 70.7V, and center tap grounded 140V1.
- Sound Quality and Restoration:
- The MC240 is highly regarded for its warm, musical sound.
- Restoring it to factory specifications often involves replacing tubes and minor components.
- With proper care, it can deliver an exceptional listening experience, especially when paired with the right speakers2.
- Unique Features:
- The MC240, like other McIntosh tube amps, has separate feedback windings, allowing flexible output configurations.
- It can drive various load impedances (2Ω, 4Ω, 8Ω, 16Ω, or 32Ω) without worry about interference or ground loops.
- Its timeless design and build quality make it a sought-after collector’s item
