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FS: Kenwood KAC-929 Amplifier 

 

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 Post subject: FS: Kenwood KAC-929 Amplifier
Posted: Tue Jun 14, 2005 6:34 pm 
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Age: 34

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Power: 270 rwkw

Location: Sydney
NSW, Australia

Hey Guys,

Now surplus to my needs. Was used to run my Boston Pro 6.5 splits. They sounded extremely nice on this amp. The previous owner was running 2x Rockford Fosgate HX2 subs off it - sure a little ambitious.. but they didnt sound too terrible.

These would be fantastic for front stage, or ideal for some lower power subs.

I paid $300 for this 2nd hand 6 months ago. Looking for $250. In perfect working condition, some surface scratches. I was very impressed to find that it had an internal fan, which kept the amp running icy cold.

Straight up specs:
2x 150W RMS @ 4 Ohms
1x 460W RMS @ 4 Ohms
2x 230W RMS @ 2 Ohms

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Review:
The KAC-929 is a two-channel amp with power ratings of 150 watts x 2 or 460 watts x 1 into 4 ohms and 230 watts x2 into 2 ohms. Features include a variable low pass filter, switchable bass boost, an expander, speaker level inputs, and fan-forced cooling.

Performance
The KAC-929 performed quite well on the test bench. While it didn’t post any surprisingly large power figures, it did meet or exceed all of its real power ratings with a minimum of fuss. The amp ran through our entire line-up of tests without a hitch, which generally indicates a stable, sensible design. Efficiency at 1/3 power measured an impressive 39 percent and overall, there’s a lot to like about the performance of this amp.

CONNECTIONS & ADJUSTMENTS
Connections to the input side of the KAC-929 include RCA inputs and speaker level inputs, which include a wiring harness. At the other end, the amp provides gold-plated spade receptacles for all power and speaker connections. Power connections are 1/2-inch with speaker and remote turn-on connectors measuring 5/16-inch. All adjustments are located on the input end of the amp and include input sensitivity, bass boost (0, +6, +12 dB), expander on/off, stereo/mono switch, low pass filter on/off, and variable cutoff frequency adjustment.

INSTALLATION
The KAC-929 offers a fair amount of installation flexibility. The low pass crossover is variable over a sensible range from about 60 Hz to 150 Hz, speaker level inputs are a welcome option, and the amp’s overall layout makes sense. However, the bass boost and expander are of somewhat questionable use. The likelihood of needing either 6 or 12 dB of boost at 80 Hz seems a bit remote, and the expander doesn’t seem to have much of a noticeable effect. After listening to it through several speakers and even a pair of headphones, I’d call its effect subtle at best.

The big news here (to me anyway) is that the amp has a sensible heat sink design and that the internal fan actually blows the right way. Many of us learned long ago that heat rises, but it seems that most of the guys that design amps for car audio missed that class. This is the first mobile amp that I’ve tested in which the fan actually draws air up through the amp rather than forcing it down from the top. Now that’s a feature, a cooling system that doesn’t fight the laws of physics.

 

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Posted: Tue Jun 14, 2005 6:43 pm 
Getting Side Ways
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Joined: 13th Apr 2005

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Ride: eb falcon s series 2

Location: on welfare
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my mum had one of these and it is an excelent amp

its now in my sisters car powereing everything (cadence 6x9's, a 10" jl sub, cadence 3 way splits up front)

 

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Posted: Wed Jun 15, 2005 6:24 pm 
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Age: 34

Posts: 8831

Joined: 18th Dec 2002

Gallery: 6 images

Ride: AUII V8 LTD

Power: 270 rwkw

Location: Sydney
NSW, Australia

Price drop.. $220

 

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