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Author Topic: Tascam TH02 Measurement  (Read 19977 times)

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ultrabike

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Re: Tascam TH02 Measurement
« Reply #20 on: November 05, 2013, 07:29:21 AM »

The ringing wouldn't change - it's very much a driver material, surround, motor characteristic.

BTW. I already damped the baffle, the cup, and the back of the driver with dynamat. Stuffed acoustic fiber in the cups too. No more cavern reverby effect. Also used 1 layer TP between the pad fabric and front of driver. The TP worked better than other materials in reducing the 7-8k peak, while retain as much last octave air as possible.

Measurements forthcoming. It sounds pretty darn good. Unfortunately, I don't think anything can be done to fix the bass distortion.


P.S. I suspect using Jerg technology on the pads may yield some gains in reducing the 1k bump, smoothing things out, and providing a better sense of openness.

I think bass D3 distortion went down like 10 dB! Thing seems very nicely balanced too!
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stratocaster

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Re: Tascam TH02 Measurement
« Reply #21 on: November 05, 2013, 08:28:16 AM »

Nice work, Marv. I like what I am seeing. There is definitely quite some modding potential. Pads, enclosure, open vs closed, acoustic filter material in front of the drivers ...
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spoony

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Re: Tascam TH02 Measurement
« Reply #22 on: November 05, 2013, 02:14:54 PM »

Nice!, overall distortion went down quite a bit as well...
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stratocaster

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Re: Tascam TH02 Measurement
« Reply #23 on: November 05, 2013, 03:42:49 PM »

Some wood overkill for these ...
Sound is quite impressive for drivers that price. Great bass, balanced sound, ringing at 7k audible but not really bothersome. Was afraid they could be too trebly. but they aren't. At least for me.











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Marvey

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Re: Tascam TH02 Measurement
« Reply #24 on: November 05, 2013, 04:39:12 PM »

Haha. You never cease to amaze me. I do like these cheapy drivers a lot.
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stratocaster

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Re: Tascam TH02 Measurement
« Reply #25 on: November 05, 2013, 05:47:59 PM »

I do like these cheapy drivers a lot.

So do I. Very capable and there is not much they do wrong. 
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Hawaiiancerveza

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Re: Tascam TH02 Measurement
« Reply #26 on: November 05, 2013, 07:44:44 PM »

lol nice!
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spoony

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Re: Tascam TH02 Measurement
« Reply #27 on: November 05, 2013, 08:29:47 PM »

Wow, great job!... Are those still the stock pads?... I'm aching for a pair of better pads for mine.
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mechgamer123

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Re: Tascam TH02 Measurement
« Reply #28 on: November 05, 2013, 10:28:09 PM »

Purrin - where does one get small quantities of Dynamat for modding these? I'm considering getting these to top off an order on Amazon soon.
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Marvey

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Re: Tascam TH02 Measurement
« Reply #29 on: November 06, 2013, 03:03:34 AM »

I got myself an entire roll of dynamat lite type stuff at Home Depot. It was in the roofing material section. $25 for 20 pound roll.

Or you could go to Worse Buy (with a car audio section) and get 2 square feet for $30.
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