Kenwood Model 600

Kenwood Model 650

1 9 7 5 1975
1 9 7 9 1979

Heavier than a KA-9100, much more beautiful, exclusive and rare. In other words : this is it.


Part of the later Supreme series, the Model 600 was mainly an export item. The orignal Supremes (Model 700C, Model 700M and Model 700T) sold very poorly in Japan and the later Supremes are complete Invisibilia in their own country of origin.

Kenwood didn't advertise much for the originals and not at all for the integrated models : Model 600, Model 650 and Model 500, three versions which share the same january 1976 (export) service manual.

Being later components, none of these three saw pre-production runs with the Supreme tag engraved on the front plates - but they are Supremes nevertheless : same series, same engineering, same parts, same design.

On a lucky day, the Model 600 can be found under the Model 650 name : same amplifier but graced with a beautiful "bronze" anodization. An extra-rare version findable only if one is graced with miraculous providence on a very lucky day.

Circuit-wise, I won't describe anything here : read the three TECH descriptions (which include service manual excerpts) and the USER description from Zeljko Nastasic for the most complete possible description of this audio m a s t e r p i e c e.


See the large two-page schematic of the Model 600 here.

Kenwood Model 600, image 1 Kenwood Model 600, image 2 Kenwood Model 600, image 3
Kenwood Model 600 specifications
Title Value
RMS power : 2x 130W (8 Ohm, 20Hz...20Khz, 0,08% THD)
2x 135W (8 Ohm, 1Khz)
2x 150W (4 Ohm, 1Khz)
Dynamic power : 640W (4 Ohm)
THD : < 0,08% (rated output into 8 Ohm)
< 0,03% (1W into 8 Ohm)
IMD : < 0,08% (rated output into 8 Ohm)
< 0,03% (1W into 8 Ohm)
S/N ratio : 115dB short-circuited
Power bandwidth : 5Hz...50Khz
Frequency response : DC...70Khz (+0/-1dB)
Damping factor : 50 at 8 Ohm
Inputs : 2,5mV / 30/50/100kOhm (Phono 1)
2,5...5mV / 50kOhm (Phono 2)
150mV / 50kOhm (tuner, tape, aux)
Max. input level : 220mV (phono, RMS, 0,008% THD, 1Khz)
S/N ratio : 76dB at 5mV input (phono)
90dB (line)
Outputs : tape rec (150mV / 80kOhm)
Din (80mV / 150kOhm)
Frequency response : ± 0,2dB (phono)
5Hz...50Khz (+0/-1dB)
Bass control : 400Hz : ± 7,5dB at 100Hz
150Hz : ± 7,5dB at 40Hz
Treble control : 3Khz : ± 7,5dB at 10Khz
6Khz : ± 7,5dB at 20Khz
Loudness (-30dB) : +2 / +4 / +6 / +8dB at 100Hz
Low filter : 40Hz, 12dB/octave
High filter : 8Khz, 12dB/octave
Presence : +6dB at 800Hz
+6dB at 3Khz
PC : 790W at full power
Dimensions : 44 x 15,4 x 38,8cm
Weight : 21,3kg.
Kenwood Model 600 : 0 topic
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page online since : october 2004
page updated : september 2010
page type : LGT / KNB
page weight : 833.75 Kb / 572.39 Kb

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