User manual MCINTOSH MA2275 VACUUM TUBE INTEGRATED AMPLIFIER

[. . . ] [. . . ] IR Sensor Jack Switched Data Ports Record Monitor Power Control Output Motor Driven Volume Control Lighting Soft Mute Headphone Amp Pre Amp Output Pre Amp Distortion Max 20Hz to 20kHz Pre Amp S/N Ratio A Weighted Power Amp Distortion Max. 20Hz to 20kHz Both Chan Operating at Rated Power Power Amp S/N Ratio at Rated Output MA6300 Yes Semiconductor 160, 160, 100 direct coupled New One Jumper One Six Yes Yes 4 Ohm Calibration No Yes Yes No Yes No Yes Yes LED Yes Yes 8 Volts 0. 005% 90dB Phono; 97dB High Level 0. 005% MA6600 Yes Semiconductor 200, 200, 200 Autoformer Coupled New One, 2, 4, or 8 ohms Two, Switchable One Six Yes Yes MA6900 Yes Semiconductor 200, 200, 200 Autoformer Coupled New One 2, 4, or 8 ohms Two, Switchable One Six Yes Yes MA7000 Yes Semiconductor 250250250 Autoformer Coupled New One 2, 4, or 8 ohms Two, Bal/UnBal One Seven Yes Yes Five Band Equalizer Yes Yes Yes Yes Yes Yes Yes LED Fiber Optic Yes Yes 8 Volts 0. 005% 90dB Phono; 100dB High Level 0. 005% MA2275 Yes Vacuum Tube 75, 75, 75 Transformer Unity Coupled New One 2, 4, or 8 Ohms Two, Always on One Six Yes Yes Bass Treble plus Tone Bypass Yes Yes, Twin Tube\Yes Yes Yes Yes Yes Yes Yes LED Fiber Optic Yes Yes 8 Volts 0. 08% 80dB Phono; 97dB High Level 0. 50% Bass Treble, by input or Five Band Equalizer Tone Bypass Yes Yes Yes Yes No Yes Yes LED Yes Yes 8 Volts 0. 005% 90dB Phono; 100dB High Level 0. 005% Yes Yes Yes Yes No Yes Yes Bulbs Yes Yes 8 Volts 0. 005% 90dB Phono; 100dB High Level 0. 005% 110dB 115dB 110dB 115dB 110dB [. . . ] [. . . ]