McIntosh - MC152 Solid state power amplifier

Excellent condition and fully working. Comes with the original box, power cable, and instruction manual. There are no issues with left/right audio balance or output level; however, the VU meters show a slight difference in movement between channels. This does not affect audio performance, and overall operation remains stable and reliable.

The McIntosh MC152 is a premium stereo power amplifier engineered to deliver exceptionally clean, stable, and powerful output through McIntosh’s renowned Autoformer technology. Providing 150W × 2 at 2Ω / 4Ω / 8Ω, the MC152 maintains identical power delivery regardless of speaker impedance—ensuring consistent performance with a wide range of systems. This unit is in excellent working condition and includes the original box, instruction manual, and power cable.

Brand & Model

・Brand: McIntosh

・Model: MC152

・Type: Stereo Power Amplifier



Design & Performance

・Rated Output: 150W + 150W (2 / 4 / 8Ω)

・THD: 0.005% or less

・IM Distortion: 0.005%

・Dynamic Headroom: 2dB

・Wideband Damping Factor: 40+

・Frequency Response:

　20Hz–20kHz (–0.25dB, +0dB)

　10Hz–100kHz (–3dB)

・Voltage Gain:

　29dB (8Ω) / 26dB (4Ω) / 23dB (2Ω)

・Autoformer ensures identical output across all impedances

・Power Guard prevents clipping, maintaining distortion below 2% even with up to 14dB overdrive



Sound Characteristics

・Powerful, well-controlled bass

・Smooth and extended treble

・Highly transparent midrange

・Exceptional S/N ratio:

　95dB (Balanced), 93dB (Unbalanced)

・Expansive soundstage with precise imaging



Condition

・Excellent working condition

・No left/right audio imbalance

・VU meters show slight difference in movement (does not affect audio)

・Fully tested and cleaned

・Includes original box, power cable, and instruction manual



Inputs & Outputs

・Balanced XLR inputs

・Unbalanced RCA inputs

・Gold-plated binding posts for 2Ω / 4Ω / 8Ω speakers

・Power Control (Trigger) in/out

・Input Sensitivity:

　2.4V (Balanced), 1.2V (Unbalanced)

・Input Impedance: 22kΩ



Build Quality & Dimensions

・Stainless steel chassis with McIntosh glass front panel

・Large blue backlit VU meters

・Dimensions: 445 × 152 × 481 mm

・Weight: 34.0 kg

・Power Consumption: 440W (Operating), (Standby)