• Country
• United States of America (USA)

• Manufacturer / Brand
• McIntosh Audio Company; Binghamton, NY

• Year
• 1961 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 93236

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 11

• Valves / Tubes
• 6L6GC 6L6GC 6L6GC 6L6GC 12AX7 12AX7 12AX7 12AU7 12AU7 12BH7 12BH7

• Power type and voltage
• Alternating Current supply (AC) / 117-125 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 80 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: MC-240 2P629 - McIntosh Audio Company;

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 268 x 200 x 431 mm / 10.6 x 7.9 x 17 inch

• Notes
• One diode rectifier; 40 W/ch stereo, mono. Response 16 Hz to 40 kHz (+0/-0.1 dB). Distortion 0.5 %. Noise & hum -90 dB. Output impedance 4, 8, 16, 125 and 600 ohms. 600 ohm center tap internally grounded. (2, 4, 8, 16 and 32 ohms in mono). Output voltages 25 (isolated), 70.7 (one side grounded) and 140 V (center tap grounded). Internal impedance less than 10 % of rated impedance. Input impedance 250 kΩ. Input sensitivity: 0.5 V (in mono or twin amp), 2.0 V in stereo.

• Net weight (2.2 lb = 1 kg)
• 25.4 kg / 55 lb 15.2 oz (55.947 lb)

• Price in first year of sale
• 288.00 $

• Author
• Model page created by Carlos A. Pieroni-García. See "Data change" for further contributors.

• Other Models

• Here you find 87 models, 82 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from McIntosh Audio Company; Binghamton, NY