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Written on: 06/12/2008 by wdrazek (1 review written)
I had this one back in the day - 1978 when it first came out. Tried a lower end Hitachi that advertised 2x the power and then put the HK back in the system. Amazing change and a world apart. For a time (I was young then), I ran it with 2 pairs of speakers and was in trouble because mom could hear it from around the corner of the block (we were the 3rd house in.
I may buy another one of these for my upcoming vintage setup in the den… Read Full Review
Written on: 22/10/2008
Solid AMP with 80 Amper really delivers the Power.
I seem to be lucky with my HK670 I dont understand these people with Bass problem . or erhalps you guys need some good Speakers.
I can hardly turn up the sound 1 Quarter of the way it blows me away. Very HQ Apmlifier I am very happy with it… Read Full Review
Written on: 11/12/2004 by Chris99 (3 reviews written)
I have been using the Harman Kardon HK670 amplifier for 5 months. The best thing of hk670 is its weight(joke!). I have used hk670 with the CD players harman/kardon HK750, marantz CD67mkII, Yamaha CDX496, Denon DCD 480, Denon DCD860 and JBL speakers TLX600(they are cheap, but not bad at all, s-91db!). Before I had another model of harman/kardon amplifier HK630 - small wonder in comparison with this poor fellow HK670. The HK670 sounds smooth and maybe even enjoyable, but there is nothing to… Read Full Review
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Written by stephenmogg
" Nice case and remote but reliability and sound quality are poor. In... " Read More
Written by jimd6