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Review: Nakamichi 890 high performance headphones

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Posted on September 18, 2014 at 10:20:16
DavidLD
Audiophile

Posts: 4884
Joined: May 29, 2002
Review: Nakamichi 890 high performance headphones, black

Source: Kmart Cost $15.00

I was thinking of doing a comparison review of my various headphones, but I ended up having so much to say I decided to do them one-at-a-time.
The Nakamichi phones I bought are not the most expensive of them, but in many ways, the most interesting.

I got a 3.5 mm to ¼ inch plug adapter so I could try them on an assortment of vintage and near-vintage receivers, all with ¼ inch jacks.

My first attempt did not work out well, in that the phones connected this way all were distorted to the point of being unlistenable. Just as weird, the phones were working perfectly with the computers and other devices with 3.5 mm headphone jacks, desktop, laptop or tablet. They also worked fine with an ancient Sony Walkman, and amazingly well with a little Dollar Tree ($1) pocket radio.

I finally traced the issue to the 4-pin 3.5 mm plug on the headphones. These are set up with 4 connectors, a common ground, two stereo channels, plus a mono mike channel as commonly used on cell phones. There is a mike built into a spot on the cord, with a switch. I tried the phones in the vintage receivers with the ¼ inch adaptor plug, and the distortion went away but only if I held the mike switch down constantly. I knew then I was on to something. I tried putting the adapter only part way on, but I only got one mono channel, though undistorted.

I knew I needed to convert the 4-pin 3.5 mm plug to twin 3 pin 3.5 mm plugs, but does anyone make such an adaptor? I discovered there was basically only one manufacturer, Startech. The adaptor I needed was the StarTech 3.5mm 4 Position to 2x 3 Position 3.5mm Headset Splitter Adapter - Female to Male

I checked around. Amazon had these but wanted me to pay $5 shipping if I didn’t buy $35. I found a better deal at BHphotovideo.com for $5.59 plus $2.99 shipping. So this cost me about $8. The twin plugs are marked, one mike and one headphones, perfect for the typical laptop setup if you want to use the headphones with the built-in mike for, say, skyping from your laptop.

I got this today and checked it out. I put the ¼” plug on the plug labeled headphone, and connected to various vintage receivers. All seem to now work perfectly.

How do they sound? Well, I think they are excellent. Some people might say they OVEREMPHASIZE the bass a bit, but I’m fine with that.

In a direct comparison, I like these a lot better than my vintage Koss Pro4AA, which sound “confined”in comparison. Maybe its partly that the Koss Pro4AA are so doggone heavy. Eerrr, the bass is stronger from the Nakamichi phones. There is a really interesting 3D quality to these phones. For me, the padding is just right, not too sound deadening but not too little either.

I’ve been studying the various Nakamichi phones. I am becoming convinced that the basic sound generation is similar for nearly all of them, regardless of price. Here are the models

High Fashion NK 850 in various colors. These are designed to be a low-buck ($15) competitor to the basic Beats headphone ($169)

High Performance NK890 (these phones, $15, also in various bright colors, squarish pads)

780 M over-the-ear phones ($20, bigger, oval pads, also in various bright colors)

NK2030 over-the-earphones ($30, different, full-sized design from 780M)
NK 2000 “turbulence”. Small built-in amplifier. Also big oval pads, $25
NC 40 noise-cancelling headphones ($60, more of a Bose competitor)

Nakamichi BT Bluetooth headphones ($70). Set up for Bluetooth.

Nakamichi NK900 Studio phones. ($70) These might be a little more different and upscale from the others.

I have been studying the reviews on the Nakamichi phones and the beats phones on the various sites. For the most part the various Nakamichi phones come out on top. Some guys complain that the Nakamichi bass gets grainy at high volumes. Walmart has a beats headphone demo set up, so I tried listening to the popular $169 version. I concluded that my Nakamichi high performance NK 890 phones sounded better, and I did not see the beats build quality as any better. In fact, they seemed amazingly similar.

I am always amazed when young people gravitate to stuff that is really expensive because that is what the other kids have. I will grant you my phones have a Nakamichi logo on them not a beats logo. But why spend $169 if there is something just as good for $15? The typical review of the $169 beats phone starts with “my granddaughter loves these as that is what the other kids have.” Why can’t the grandkids fall in love just as much with the $15 alternative? If the grandkids break or lose them, its far less money.

More to follow on other phones.

David

 

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RE: Review: Nakamichi 890 high performance headphones, posted on September 18, 2014 at 16:19:04
Michael Samra
Dealer

Posts: 36118
Location: saginaw michigan
Joined: January 30, 2005
Interesting
I bought my sister a set of the Bose headphones and she loves them especially on the plane where it cancels the surrounding noise.
These are interesting headphones you posted about and I think would be excellent for basic listening and,checking for noisy tubes in a tube preamp with microphonic tubes.
"For every complex problem there is an answer that is clear, simple, and wrong" H. L. Mencken

 

RE: Review: Nakamichi 890 high performance headphones, posted on September 18, 2014 at 16:34:35
DavidLD
Audiophile

Posts: 4884
Joined: May 29, 2002
I would be interested in comments from anyone who has tried the Bose noise cancelling headphones to compare with the NC 40 Nakamichi version

 

Late Entrant Nakamichi NK2000 Amplified Headphones, posted on September 26, 2014 at 10:12:19
DavidLD
Audiophile

Posts: 4884
Joined: May 29, 2002



There has been a late entrant to my Headphone test The Nakamichi NK2000 Amplified. These sell for $20 at Kmart, but I found a new pair on Amazon for only $5.99 plus $3 Shipping.

Who could resist? Since they are supposed to be amplified I expected that they would require one or two AAA batteries but that is not the case. They are, however, rated at 101 db sensitivity versus 98 db for the NK 890 High Performance. Other specs are the same.

Frankly, I can't tell that they play louder than the 890s. I do not notice the difference.

The major difference is that these are cancel out far more external noise than the 890s do. Thus, the music seems a bit "confined". You might like this better than the 890s or not. I am still analyzing.

The NK 2000 is a drop-dead beautiful design, with brushed stainless steel and a cloth woven tangle-free cord. The color for these is called "Turbulance", which makes the plastic parts a rich-looking blue-gray color. They look VERY expensive. They have LOTS of bass. I just dont see how you can go wrong with these. The photo also shows the Startech 4-pin to 3-pin adaptor.

On the other hand, I do enjoy the less confined 3-D sound of the 890s even if they aren't quite as expensive looking. Why not get yourself a set of each?

 

RE: Late Entrant Nakamichi NK2000 Amplified Headphones, posted on September 30, 2014 at 09:24:22
Raymond Leggs
Audiophile

Posts: 748
Joined: November 25, 2007
The NK900 is less bass oriented than the 890 and the 2000 its almost flat in that regard, or at least to my ears.

The next to try is the NK2000 and the 2030, i had the 780 but they broke (sadface)

 

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