Kenwood Basic M2
Stereo Power Amplifier (1983-84)
Power output: 220 watts per channel into 8Ω (stereo)
Frequency response: 1Hz to 200kHz
Total harmonic distortion: 0.004%
Damping factor: 1000
Input sensitivity: 1V
Signal to noise ratio: 120dB
Speaker load impedance: 4Ω to 16Ω
Dimensions: 440 x 158 x 373mm
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Reviewed Dec 19th, 2015 by brocke11
I purchased a used M2 off Kijiji recently. It's in excellent shape both physically and internally. All controls and meters work flawlessly.
I bought the amp to drive my home theater's Polk RTi12 mains. I had just recently read that these speakers operate at 4 ohms. Polk sells them as 8 ohms and capable of taking up to 500 watts rms. They're also very inefficient at 89db 1w@1m. I found it hard to believe, but a quick check with a voltage meter confirmed what I had readâ€¦ 3.7 ohms!
My poor, under-powered Denon 3805 AVR had been driving these power hungry speakers all alone for quite a few years. I'm surprised it didn't die! A big hurrah for the Denon, it's served me well.
I read many reviews of the RTI12's. Almost everyone said they needed big, clean power to come alive. After reading reviews here about the quality of old school amps and the ability to repair them when they break, I decided to keep an eye out for something in the over 200 watts rms range. A few Adcom's came around, but they were ridiculously expensive. I grabbed the M2 for $350 CAN.
So, I connected the M2 to my Denon's L/R pre-outs and set it's gain controls to 12 o'clock and connected the Polk's. Well I'll tell youâ€¦. Holy frig, this system came to life like never before. I played some Dream Theater tunes that I know to be very dynamic. Wow, strong tight base to kick you silly in the chest. Mids and highs crisp and clear! I was literally in shock, except for the giant smile on my face!! At 4 ohms, this rig was now pushing close to 400 watts rms per channel!!!
For a few hundred bucks, I have an amazing new/old system. I can't believe how the Kenwood brought tremendous new life to an already ok sounding rig. I highly recommend enhancing any AVR with a dedicated amp for 2 channel music listening. It makes movie soundtracks all that much better too!!
Oh, by the way, I connected cables for the sigma drive feature. I really like the sound. It definitely added more punch to the lows. This amp has total control over these speakers. It's amazing how it can keep up with double kick drums and warm, punchy bass lines. All I can say is wow! I'm blown away!
Reviewed Oct 15th, 2015 by franckthome
I have had the Kenwood M2 for one year now.
It is connected to a pair or JMLAB 913.1.
And it is simply awesome.
For hifi listening or for home cinema, it does its job.
When i got it, the thermistor controlling the fan had been removed and the fan was always on. I had to install a switch at the back, which is now always off, in order to keep the disturbing fan silent. This fan is indeed useful only in case of use at full power, which is not really possible in my room.
I was thinking of replacing it by a luxman m03, but can't really make up my mind. The front LEDs.are really nice, and, as already said, the M2 does the job beautifully.
Reviewed Apr 10th, 2015 by moejr
My favorite Kenwood Power Amp next to the 700M
Reviewed Mar 27th, 2015 by Cebigbos
I bought a M1 with C1 a while ago and it sounded better than my beloved Luxman R1500, a few weeks ago I could score the M2 and again it is better than the M1 and in my opinion it can compete with very expensive newer equipment