Nice Classic Harmann Kardon HK 670 60 watt /ch AM/FM receiver 1979

geppy1

My last HK 670 for sale. Very nice Harman Hardon HK 670 AM/FM receiver from 1979. Probably one of the 3 best receivers they ever made. This features 60 watts per channel of high current and has not problem driving low impedence loads. The sound quality is superb with a huge stage. I have had 3 of these and really like them but the bills must be paid. It has been cleaned and everything works as it should. Maybe a little dirt left on the tape monitor switch. It is in very nice shape but there are some scratches on the top surface of the faceplate ans some tiny dimples on the right of the faceplate very small. The only issue (if you want to call it that) is you cannot feel the bass control center detent when rotating the bass control. The A terminals have been updated for use with bananas but the originals will be included. The original power cord as been repaired as I use a detachable with my gear.

This unit needs nothing and works perfectly. All light bulbs for the display have been replaced. Asking $145 Thanks,KG

60 watts watts min. RMS per ch, both driven @ 8 ohms
Power Bandwidth: 8Hz-100kHz @ < 0.08% THD @ 8 ohms both channels driven simultaneously
Total Harmonic Distortion: 0.03% 1kHz at rated output
Intermodulation Distortion: 0.05% at rated output
Frequency Response: Below 3Hz - 140kHz -3.0dB FM - 20Hz to 15kHz +/-0.5dB
Damping Factor: > 30 at 8 ohms
Hum and Noise: PHONO - -90dB "A" weighted, IHF
Aux & Res - -102dB "A" weighted, IHF
Slew Rate: 65V/usec
Rise Time: SQUARE WAVE - 2.5usec at 20kHz
Square Wave Tilt: <2% at 20Hz
Negative Feedback: 28dB
Sensitivity: PHONO - 2.2mV HIGH LEVEL - 130mV
Phono Overload: >225 mV
Input Impedance: PHONO - 47k ohms
Usable Sensitivity: FM MONO - 1.9uV
Quieting Sensitivity: MONO - 3.0uV STEREO - 30uV
Signal-to-Noise Ratio: FM - -75dB Capture Ratio: 1.2dB
Alternate Channel Selectivity: -75dB Image Rejection: -80dB
IF Rejection: -110dB
AM Rejection: -62dB
Stereo Separation: 55dB at 1kHz
Distortion: FM MONO - 0.05% at 1kHz, 100% modulation
FM STEREO - 0.08% at 1kHz, 100% modulation
AM Section Sensitivity: 300uV/meter Selectivity: -40dB Alternate
Channel Selectivity: -35dB
Image Rejection: -50dB at 1kHz
IF Rejection: -45dB at 1kHz

Dimensions: 440 (17.32 wide) x 163 (6.5 high) x 398mm (15.6 deep)

Weight: 30 lbs

geppy1

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geppy1

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sucks2beme

I had one of the same vintage with lower wattage. It's a good performer.
Much better than Pioneer or Kenwood classics. I don't know why there
isn't more talk of these.

geppy1

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geppy1

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geppy1

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20hz

I have a question ..
I need a amp to drive my POLK moniter5's I want something clean only need like 60+ WPC , I am debating between a adcom 535 or a HK 770 amp ( but I would use a integrated in there ) not picky just dont want to buy a crappy sounding amp .
So do you have any experiance with some of the smaller amps compared to HK ??

geppy1 wrote: »

My last HK 670 for sale. Very nice Harman Hardon HK 670 AM/FM receiver from 1979. Probably one of the 3 best receivers they ever made. This features 60 watts per channel of high current and has not problem driving low impedence loads. The sound quality is superb with a huge stage. I have had 3 of these and really like them but the bills must be paid. It has been cleaned and everything works as it should. Maybe a little dirt left on the tape monitor switch. It is in very nice shape but there are some scratches on the top surface of the faceplate ans some tiny dimples on the right of the faceplate very small. The only issue (if you want to call it that) is you cannot feel the bass control center detent when rotating the bass control. The A terminals have been updated for use with bananas but the originals will be included. The original power cord as been repaired as I use a detachable with my gear.

This unit needs nothing and works perfectly. All light bulbs for the display have been replaced. Asking $145 Thanks,KG

60 watts watts min. RMS per ch, both driven @ 8 ohms
Power Bandwidth: 8Hz-100kHz @ < 0.08% THD @ 8 ohms both channels driven simultaneously
Total Harmonic Distortion: 0.03% 1kHz at rated output
Intermodulation Distortion: 0.05% at rated output
Frequency Response: Below 3Hz - 140kHz -3.0dB FM - 20Hz to 15kHz +/-0.5dB
Damping Factor: > 30 at 8 ohms
Hum and Noise: PHONO - -90dB "A" weighted, IHF
Aux & Res - -102dB "A" weighted, IHF
Slew Rate: 65V/usec
Rise Time: SQUARE WAVE - 2.5usec at 20kHz
Square Wave Tilt: <2% at 20Hz
Negative Feedback: 28dB
Sensitivity: PHONO - 2.2mV HIGH LEVEL - 130mV
Phono Overload: >225 mV
Input Impedance: PHONO - 47k ohms
Usable Sensitivity: FM MONO - 1.9uV
Quieting Sensitivity: MONO - 3.0uV STEREO - 30uV
Signal-to-Noise Ratio: FM - -75dB Capture Ratio: 1.2dB
Alternate Channel Selectivity: -75dB Image Rejection: -80dB
IF Rejection: -110dB
AM Rejection: -62dB
Stereo Separation: 55dB at 1kHz
Distortion: FM MONO - 0.05% at 1kHz, 100% modulation
FM STEREO - 0.08% at 1kHz, 100% modulation
AM Section Sensitivity: 300uV/meter Selectivity: -40dB Alternate
Channel Selectivity: -35dB
Image Rejection: -50dB at 1kHz
IF Rejection: -45dB at 1kHz

Dimensions: 440 (17.32 wide) x 163 (6.5 high) x 398mm (15.6 deep)

Weight: 30 lbs

cnh

This HK should juice those Monitor 5s fine. I've run mine on a lesser 40 watt x 2 and could never get the volume past 12. Also, Monitors sound great with "most" good vintage integrateds and receivers.

I've run mine on the following. And they were fine with all. An HK 730, JVC R-S33, and a Technics 85 watt x 2 integrated New Class A. The first two are both only 40 watt x 2 into 8 ohms RMS but drive 4 ohm loads as well.

But Keith probably has more to say on this since this is his receiver!

cnh

20hz

Plus it will only need 100hz and up , I could probebly use good 25WPC to do it ..
Speaking of using a rs-33 I had one that wouldnt hold station and the loundness only worked on one side so pulled the amp and power suppley built a case around it use a IEC a/c plug and binding posts and a fan ( its much smaller )
thing is it sounds VERY good , if I get a adcom or HK and it doesnt sound any better I will be unhappy !

cnh wrote: »

This HK should juice those Monitor 5s fine. I've run mine on a lesser 40 watt x 2 and could never get the volume past 12. Also, Monitors sound great with "most" good vintage integrateds and receivers.

I've run mine on the following. And they were fine with all. An HK 730, JVC R-S33, and a Technics 85 watt x 2 integrated New Class A. The first two are both only 40 watt x 2 into 8 ohms RMS but drive 4 ohm loads as well.

But Keith probably has more to say on this since this is his receiver!

cnh