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WOO-HOOOO... WA7 "fireflies"!!! - Page 21

post #301 of 1367

Now with 12 hours in on it and wow it sounds amazing.  It is glass, very high quality glass.  Very happy with this amp. Thanks Woo!

post #302 of 1367

Well, I've placed my order for the WA7. After hearing it with my K701's (among others like the Beyer T1 I mentioned previously) at SSI I've been thinking that the WA7 needs to be mine, and so it shall be. Stephen Mejias of Stereophile came away from the WA7/K701 combo at the New York Audio Show this week with the same conclusion as I did at SSI: "The sweet, detailed, richly textured and colorful sound made for what might have been my very favorite listening experience of the show."

 

http://www.stereophile.com/content/woo-audio-m%E2%80%A2-recordings-and-stereolab


Edited by Bmac - 4/21/13 at 11:22am
post #303 of 1367

He did a column on the Skullcandy Aviators and Dr Dre Beats this month. We could hope that he also reviews the WA7/K701 combo !!

post #304 of 1367
Quote:
Originally Posted by Bmac View Post

Well, I've placed my order for the WA7. After hearing it with my K701's (among others like the Beyer T1 I mentioned previously) at SSI I've been thinking that the WA7 needs to be mine, and so it shall be. Stephen Mejias of Stereophile came away from the WA7/K701 combo at the New York Audio Show this week with the same conclusion as I did at SSI: "The sweet, detailed, richly textured and colorful sound made for what might have been my very favorite listening experience of the show."

 

http://www.stereophile.com/content/woo-audio-m%E2%80%A2-recordings-and-stereolab

Have you tried different tubes to do a little comparison? K701 will be used a lot by me. 

post #305 of 1367
Quote:
Originally Posted by junepy View Post

Have you tried different tubes to do a little comparison? K701 will be used a lot by me. 

 

I have tried it with stock tubes and the gold pins on Q701. My impression is that the stock tubes are better for these headphones. The gold pins give slightly deeper bass which is a desirable quality, but they seem to reduce the output power - I started noticing non linear distortions just above my normal listening levels (i.e. peaks of more dynamic tracks). I can easily compensate for the lack of bass with an equalizer, but the only way to reduce the distortions is to lower the volume. 

post #306 of 1367

Hi all,

 

Just got my beyer T1 running thur my Sound Blaster Zx.  Debating getting the WA7 or the WA2.  Had anyone experienced both?  Would greatly appreciate feed back.

post #307 of 1367

It doesn't matter now, just pulled the trigger on the WA7.  Now, I will wait!

post #308 of 1367
The WA7 will be well worth the wait for the Beyers. I have both WA3+ (OTL similar to but less powerful than WA2) and WA7. Beyer T90 spends more time with the WA7 for me.
post #309 of 1367

A question for the WA7 owners 

 

One of the reasons I am interested in the WA7 is that it is designed for IEM's also and  as I enjoy my sennheiser ie800's so much I want to start using them to listen at my desktop

 

how do you think it will go with these ? They have a warm some say bassy sound signature so maybe thinking that a tube amp may not be the best match.

 

If not the WA7 can anyone suggest any other amps that can drive both IEM's and headphones that could do the trick ?

post #310 of 1367
I have the wa7.

It's not that warm , I can say I only notice the warmth on the hd800 and the tg334. But it only takes a little edge off. As for the i800. I do not own them but do own the ix10 from koss.
What u own is much better but a similar sound signature. It does not make them more bass heavy. Remember it's all solid state and only the drivers are tubes. Also the stock tubes are brighter than the upgrade . I have both.

As far as another DAC amp combo. I own a mytek sterio 192 But its more money but more versatile . Also what. Is impedance of your IEM,s. remember the wa7 is 10 ohms output imp and if the i800 is about 32 it's ok but not ideal for sound quality .

Al D
post #311 of 1367

thanks for that info

the impedance of the ie800 is 16 ohm's, I assume the closer it is to the impedance of the amp the better ? Not too sure on how all this impedance stuff works and how it affects the SQ. I did try to follow the topic in the AK100 thread but it all got a bit dramatic for me.bigsmile_face.gif

post #312 of 1367
No is the oppiset u need amp ro be lower at least 4 times lower .
Do a search on imp and affects on headphones
post #313 of 1367
It is a ratio of at least 4 to 1. Meaming if u have N amps output imp of 10 ohms
A 40 ohm iem or headphone is ok not perfect but ok some IEMS. D headphones are affected more than others a d need more of a ratio 5 or 6. I have read threads that say 8 times is perfection. That is tough to do with iem s that Are 16 ohms. It would need to be 2 ohms for perfection.
Ok hope it helps u
AL D
post #314 of 1367
Quote:
Originally Posted by ALRAINBOW View Post

 Also what. Is impedance of your IEM,s. remember the wa7 is 10 ohms output imp and if the i800 is about 32 it's ok but not ideal for sound quality .

 

I don't remember seeing the output impedance of the WA7 published anywhere.  Where did you get this info? Thanks.

post #315 of 1367

Measured information on the WA7 can be found here:

 

http://kenrockwell.com/audio/woo/wa7.htm

 

It appears the output impedance is approx. 23 ohms for the 1/8" jack, approx. 36 ohms for the 1/4" jack lo-Z and approx. 110 ohms hi-z.

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