Vintage Tube Amp

Vintage McIntosh MC-240 Tube Stereo Amplifier – Great Working Condition. 6 New Pre-Amp Tubes Installed, Controls and Switches Cleaned. Comes with Black Steel Mesh Cover – Missing End Caps and Clips. Power Output: Stereo or twin amplifier – 40 watts continuous per channel. Monophonic – 80 watts continuous. Harmonic Distortion: Less than 0.5% at rated output or less, 20 cycles through 20,000 cycles. Typical performance is 0.3% or less at 20 cycles and 20,000 cycles at full power. Typical performance in the mid frequencies is 0.1% or less at full power. Intermodulation Distortion: Less than 0.5% for any combination of frequencies from 20 cycles through 20,000 cycles if instantaneous peak power is below twice the rated power. Phase Shift: Less than +6 degrees 20 cycles through 20,000 cycles. Frequency Range: At rated output: +0, -0.1 db 16 cycles through 40,000 cycles. +0, -0.5 db 16 cycles through 60,000 cycles. At one half rated output: +0, -1 db 10 cycles through 100,000 cycles. Noise and Hum: 90 db or more below rated output. Stereo or Twin Amp. (Isolated from ground) 4 ohms, 8 ohms, 16 ohms. (Center tap internally grounded) 600 ohms. (One side internally grounded) 125 ohms. (Isolated from ground) 2 ohms, 4 ohms, 8 ohms, 16 ohms, 32 ohms. (Center tap internally grounded) 300 ohms. (One side internally grounded) 62 ohms. (Isolated from ground) 25 volts. (Center tap internally grounded) 140 volts. (One side internally grounded) 70.7 volts. Less than 10% of rated load impedance. Input impedance – 250,000 ohms. Input sensitivity – 0.5 volts to 30 volts through gain control with input switch in MONO or TWIN AMP position. With the switch in the STEREO position, sensitivity is 2.0 volts through a balance control. 105 volts to 130 volts at 50/60 cycles: 145 watts at zero signal output: 270 watts at rated output. The power transformer is tapped for 117 volts and 125 volts. Voltage amplifier – One 12AX7 (drives both amps). Phase Inverter – Two 12AU7. Drive Amplifier – Two 12BH7. Cathode Follower Drive – Two 12AX7. Output – Four 6L6GC or 7027A. Chassis dimensions: 17 1/4″ long x 10 3/4″ wide x 8 high. See INSTALLATION on page 5 for minimum mounting space. Weight: Chassis only – 56 pounds. Finish: Chromium and Black. Printed Out Version of The. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps”. The seller is “j_rcheckcashing” and is located in this country: US. This item can be shipped to United States.

• Model: MC-240
• Country/Region of Manufacture: United States
• Type: Power Amplifier
• MPN: MC240
• Brand: McIntosh