McIntosh MC7270
¥ 680,000 (released in 1985)
Commentary
Stereo power amplifier equipped with original digital sonic overload collector.
Model Rating
Type | Stereo power amplifier |
Effective power | Stereo : 270W + 270W (1 ohm, 2 ohm, 4 ohm, 8 ohm) Mono : 540W (2 ω, 4 ω, 8 ω, 16 ω) |
Output bandwidth | 20 Hz to 20 kHz |
Total harmonic distortion factor | 0.02% (0.25W ~ Effective Output) |
Cross modulation distortion factor | 0.02% (any combination of frequencies from 20 Hz to 20 kHz) |
Frequency band | 20 Hz ~ 20 kHz + 0 -0.25 dB |
Signal-to-noise ratio (A network) | 100dB |
Damping factor | 30 |
Load impedance | 1 Ω, 2 Ω, 4 Ω, and 8 Ω switching |
Input Sensitivity / Impedance | 0.75 V, 2.5 V (Switching) / 20k Ω |
Input level adjustment | Left and right independent continuous variable |
Attachment mechanism | Output Power Meter with Peak Hold Stereo/Mono Switch Power guard circuit |
Pwer | 100 VAC, 50Hz/60Hz |
Power consumption | 1,400W (effective output |
External dimensions | Width 411x Height 181x Depth 368 mm |
Weight | 37.2kg |