McIntosh MA6300 Integrated Amplifier - All Analog with Phono Input - Like New and Complete


Super clean and working perfectly. All meters and lights working (and gloriously!)

(Some photos show what looks to be a glass faceplate scratch - it's not a scratch, it's a reflection of something else at the bottom of our photo booth).

Includes the remote, manual, and a brand new official box from McIntosh we just ordered.

From McIntosh:

"Now you can take advantage of traditional McIntosh standards of excellence in the MA6300 Integrated Amplifier. The Power Amplifier section of the MA6300, with a power output of 100 watts per channel, will drive a pair of quality loudspeakers to a high level of performance.

The flexible Preamplifier section provides connections for various input sources and may also be used to drive an external Power Amplifier. The MA6300 reproduction is sonically transparent and absolutely accurate. .

The McIntosh Sound is “The Sound of the Music Itself.”

Some MA6300 Performance Features Include:

• Power Output
The MA6300 consists of a 100 watts per channel stereo Power Amplifier and a sophisticated Preamplifier in one compact unit with less than 0.005% distortion.

• Electronic Input Switching and Balanced Input
Digital Logic integrated circuits drive Electromagnetic switches on all seven inputs and operating functions for reliable, noiseless, distortion free switching. The Balanced Input allows the connection of a source component using long cable lengths, without a loss in sound quality.

• Power Guard
The patented McIntosh Power Guard circuit prevents the amplifier from being over driven into clipping with its harsh distorted sound that can also damage your valuable loudspeakers.

• Sentry Monitor and Thermal Protection
McIntosh Sentry Monitor power output stage protection circuits ensure the MA6300 will have a long and trouble free operating life. Built-in thermal protection circuits guard against overheating.

Click here for a PDF copy of the McIntosh MA6300 Owner's Manual


Power Output
100 watts into an 8 ohm load is the minimum sine wave continuous average power output. The output RMS voltage is 28.3V across 8 ohms

160 watts into a 4 ohm load is the minimum sine wave continuous average power output. The output RMS voltage is 25.3V across 4 ohms

Output Load Impedance
8 and 4 ohms

Rated Power Band
20Hz to 20,000Hz

Total Harmonic Distortion
0.005% maximum harmonic distortion at any power level from 250 milliwatts to rated power, 20Hz to 20,000Hz

Dynamic Headroom

Frequency Response
+0, -0.5dB from 20Hz to 20,000Hz
+0, -3dB from 10Hz to 100,000Hz

Preamplifier Main Output
1V for rated input (8V Maximum)

Sensitivity (for rated output)
High Level, 250mV unbalanced, 500mV balanced Phono, 2.5mV
Power Amp In, 1V

Signal To Noise Ratio (A-Weighted)
High Level, 97dB below rated output Phono, 90dB below 10mV input
Power Amplifier, 110 below rated output

Intermodulation Distortion
0.005% maximum, if the instantaneous peak power output is rated power or less per channel with both channels operating for any combination of frequencies from 20Hz to 20,000Hz.

Wide Band Damping Factor
200 at 8 ohms
100 at 4 ohms

Input Impedance
High Level, 20K ohms
Phono, 47K ohms; 65pF
Power Amp In, 10K ohms

Maximum Input Signal
High Level, 8V
Phono, 90mV
Power Amplifier In, 8V

Main Output Impedance
50 ohms

Power Guard
Less than 2% THD with up to 16dB overdrive at 1,000Hz

Voltage Gain
High Level to Tape Output: 0dB
High Level to Main Output: 12dB
Phono to Main Output: 52dB

Overall Dimensions
Width is 17-1/2 inches (44.45cm)
Height is 7-5/8 inches (19.37cm) including feet
Depth is 22 inches (55.88cm) including the Front Panel, Knobs and Cables

37 pounds (16.8 kg) net, 55 pounds (24.9 kg) in shipping carton

Shipping Carton Dimensions
Width is 25 inches (63.5cm)
Depth is 27 inches (68.6cm)
Height is 12 inches (30.5cm)

Please click here for detailed specifics regarding our specialized packing process that separates us from the rest.



Original Box

Yes (On Order)






Yes - Power

Physical Condition


Working Condition


Recently viewed