Kenwood 9050?

[Sam Cogley]

What happened to "no attitude"?

 

[SoCal Sam]

Are you jealous if I did?

That you have $2k to spend on a 4100, no. I'm a Mac tube owner so there is no need? But if you said you have a KR-9050, I would be.:yes:

 

[Damage]

Actually, I spent quite a bit more for my KR-9050 than I did my MAC-4100.

 

[epifanatic]

 

[SoCal Sam]

Actually, I spent quite a bit more for my KR-9050 than I did my MAC-4100.

:tresbon:

 

[hardrock94]

Kr-9050.

Yes,the KR-9050 is the TOTL for its build year. A friend of mine owens one. I've listened to a lot of tunes from it,and it sounds great for sure. But it is debatable to me its better than the KR-9600,which I own. Along with a KR-9400,and a KR-7050. I've listened to both,a lot,and believe there even,except for the wpc. That's just my opinion. Dave.

 

[Damage]

The MAC 4100 uses two rows of 5 pushbuttons for speaker and tape monitor selection. The pushbuttons are soldered to a PCB and that PCB is secured to the front chassis by two screws, one on each end switch, leaving the remaining 3 pushbuttons mechanically unsupported. When the buttons are used, especially the buttons in the middle, the PCB board flexes and this flexing leads to solder joint failure, which is a typical failure on the 4100 selector board.

First off, this is dead wrong. One set is connected to a PCB via a metal plate. But the switches are mounted in a metal fixture which screws to the faceplate. The speaker switches are not connected to any PCB.

Incidentally, Sansui and Pioneer use similar push switches and always use at least one screw per switch, which prevents the PCB from flexing.

Incidentally, the Kenwood has a similar configuration to McIntosh.

The McIntosh has a twisted wire configuration. None of the Kenwood wires are twisted.

The McIntosh has power guard and thermal protection. The Kenwood has neither, well it might have thermal but I didn't see any.

The McIntosh uses LEDs, including on the needle for the tuner. The Kenwood uses bulbs.

The McIntosh provides shielding for the tuner section. The Kenwood does not.

The McIntosh uses an sealed volume pot, I'm assuming an alps. The Kenwood does not.

The McIntosh has 2 x 12000uf caps, the Kenwood 4 x 10000uf for more than twice the power.

The McIntosh uses 5% and 1% resistors. The Kenwood 5% and 10% resistors.

I was mistaken about the Kenwood tuner being better. The McIntosh, using the same antenna setup, had better rejection of a local channel (99.7)and was able to pick up a San Antonio station (99.5) more clearly.

 

[Sam Cogley]

The McIntosh uses LEDs, including on the needle for the tuner. The Kenwood uses bulbs.

I've always found that to be odd. The KR-9400 used LEDs for the FM Stereo, input and tuning needle lights, and bulbs for the rest. The next two big Kennys used bulbs for everything.

The McIntosh uses an sealed volume pot, I'm assuming an alps. The Kenwood does not.

Wouldn't sealed be a lot harder to straighten out if the wipers start getting gunked up? I've seen posts here about drilling into ALPS pots to clean them.