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Tascam TH-02 - Headphones waiting to be discovered??? (now Appreciation Thread) - Page 9

post #121 of 172
Quote:
Originally Posted by c61746961 View Post


BTW: A high Q is actually narrower, in most EQ's a Q of 1.4 corresponds to approximately one octave, so you're cutting 9KHz down to around 3 KHz at the toe, so you may wanna adjust that.

 

That's what I have been beginning to discover in experimenting between Rockbox's EQ (Q-measured) and Electri-Q (BW-measured).  I will apply your Q recommendation of 1.4 and see how that turns out. Thanks! And for those who aren't aware, this site is useful for on-the-fly Q to BW factor conversions.

post #122 of 172
Quote:
Originally Posted by c61746961 View Post


BTW: A high Q is actually narrower, in most EQ's a Q of 1.4 corresponds to approximately one octave, so you're cutting 9KHz down to around 3 KHz at the toe, so you may wanna adjust that.

 

You're right. In my post, I meant bandwidth values (used in Electri-Q), not the Q factors.

post #123 of 172

Thanks for clarifying. That is why things seemed and looked a bit off in Electri-Q after performing the Q to BW conversions. This seems to have fixed things a bit.

 

I have done some more serious, reflective listening to the Tascam TH-02 to avoid any placebo or listening bias. It has become apparent despite my hopes that the Tascam TH-02 has some sort of housing resonance that do not register in Innerfidelity's distortion graphs. This problematic resonance can be remedied with a few household items and a couple inexpensive materials from a local home improvement store. purrin has kindly created graphs of the frequency response and the various orders of harmonic distortion that more accurately follow what I am describing from my listening tests. In addition, purrin also describes a modification which involves applying some Dynamat, stuffing some acoustic fiber and inserting one-ply toilet paper reducing the treble spike and the chamber reverberation. Useful images of some graphs and modifications can be found at the end of this post for those interested. Credit again is given to purrin:

 

 

Original Tascam TH-02:

 

 

 

 

Modified Tascam TH-02:

 

 

 

 

Tascam TH-02 Modification Images

 

 

 


Edited by Sonichedgehog360 - 11/12/13 at 1:22pm
post #124 of 172

So is this the thread for the mx2 as well?


I just got my pair. When I first tried them out there was a weird rattle at a certain frequency. I didn't listen to it for long before I put it through some noise for burn-in. It disappeared and the cans sounded significantly better than before. I always thought burn-in was a placebo.

 

I'm not the sharpest listener so I can't really comment on the sound, and I haven't listened to them that much either.

 

 

They look very much like the sony mdr-v6/7506 & beredynamic dt250, which seem to share a similar frequency response.

Do any of you guys who've listened to both reckon that they've got a similar sound signature?

 


Edited by blobos - 11/15/13 at 4:16pm
post #125 of 172

The TH-02 are available via Amazon Gold Box for $19.99 for the next 3-1/2 hours or so...

post #126 of 172
Quote:
Originally Posted by jwong View Post
 

The TH-02 are available via Amazon Gold Box for $19.99 for the next 3-1/2 hours or so...

Thanks! Found it and ordered one!

post #127 of 172

What do you guys think of Monoprice MEP-839 compared with TH-02?

post #128 of 172
Quote:
Originally Posted by lei111 View Post
 

What do you guys think of Monoprice MEP-839 compared with TH-02?

Both excellent for the money. You can do no wrong with either.

post #129 of 172

Thanks bhazard.  Do you think it's worthwhile to get the MEP-839 as I've got TH-02 and the Somic already?  What'd be the differences/selling points for the MEP-839?

post #130 of 172

Just got these in today. It's been awhile since I had the Monoprice, but my initial impression is I like these better.

 

The pads aren't great. I swapped them for some Shure SRH840 pads I had lying around and it improved the comfort a lot. These are a tad loose... the HM5 pads I have would probably work a little better.

 

They're not going to challenge my $200 headphones, but for $20 these are fantastic!

post #131 of 172

Got the mx2 today. VERY nice sounding so far. They might actually be more balanced than the TH-02, with slightly more bass, and leaning a little warm. No nasty treble peak on this one, and I can't detect any enclosure vibrations despite the bigger bass slam. I'm guessing early on that these could be a low cost alternative Sony MDR-7506. They even look the same. Impressive. At $33.. total steal.


Edited by bhazard - 11/21/13 at 6:15pm
post #132 of 172

Listening to the Monoprice 8323 now.  Still don't quite understand the difference between MEP-839 and MHP-839.  Overall first impression is very good, better than TH-02's first impression.  Thanks again, bhazard.

post #133 of 172

I think I found the Tascam OEM. Company is called ISK, and makes a ton of headphones.

 

ISK SH-988

http://www.aliexpress.com/item/Isk-sh-988-professional-headset-monitor-s-earphones-music-earphones-hifi-dj-earphones/800515191.html

http://www.nbisk.cn/productsDisplay.aspx?v=137&nid=16

 

It's actually cheaper to just buy the Tascam.


Edited by bhazard - 11/22/13 at 6:09pm
post #134 of 172
So has anyone found a decent pair of velours that fit the O2s?
post #135 of 172
I think the Ultrasone pads are the same diameter.
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