Opinions on Total Bithead Amp
May 26, 2005 at 3:37 PM Thread Starter Post #1 of 20

jh8331

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Within the next month I plan to purchase a nice set of dt880s. I have decided on them based on a lot of research online and on the internet. Now I need opinions on an amp. I plan on listening to the dt880s through my Powerbook 12 G4 1.33Ghz that has a headphone out but no line out. I am assuming that best sound quality will require an external sound card with a line out. The Total Bithead seems to meet this requirement as well as the obvious amp requirement. I am hoping to keep the costs down so I don’t want to have to purchase a USB or firewire sound interface and an amp. Could I just get an amp to use through the Powerbook headphone out, or would it sound bad?

Thanks,
jh8331
 
May 26, 2005 at 10:06 PM Post #2 of 20
More than likely youll want a line out for your setup. Coming out of a headphone out will more than likely not be a clean signal due to the powerbooks internal amplification circuit. As far as the Total bit head, this would not be able to power the Dt-880s that well
 
May 27, 2005 at 3:22 AM Post #3 of 20
I have an Acer notebook which I'm using as my sole source. I bought a Total Bithead and the switch from the headphone out of the computer to the USB true line out made a huge difference. Even with cheap headphones like the Sony EX-81 the difference was huge. In that way the Bithead is great and unique, it offers DAC, amp, and portability for a small price. But the Bithead has problems powering my Sennheiser HD 650. It's just that you can't turn up the volume very much. It's no problem with my Grado 225. Not sure how the Dt-880 do here, probably similar to the Sennheiser. I've read in other threads that the headphone out of a powerbook is better than that of most notebooks so you might just want to try it first and get an amp later if you don't like it.
Good luck!
 
May 27, 2005 at 3:47 AM Post #4 of 20
jh8331, you've got a Private Message!
 
May 27, 2005 at 3:52 AM Post #5 of 20
Ditto. The Total Bithead sounds good for what it is (no comparison with my PPX3, but it still sounds good and obviously the PPX is not portable) but it doesn't do that well with HD650's. It can power them OK using the batteries, but switch to USB mode and it has a really hard time keeping up. It had no trouble powering a pair of Panasonics I'd been given a long time ago (no idea of the specs) so I'm sure it's just an issue with impedance. Nonetheless, the sound is pretty good.

Incidently, in general the TB has served me very well as a soundcard - my front speaker output on my "regular" sound card died... so I'm using the bithead as a soundcard/preamp for my computer speakers. I've only had one problem Adobe Premiere will not use it. <shrug>

I have no idea how the plug-n-play driver built into the Bithead will work with a Mac, I've never tried it.

Good luck.
 
May 27, 2005 at 10:40 AM Post #6 of 20
I can't comment on whether the TBH can power the Beyer. You might have to pose that question to the folks at Headroom. However, the TBH powers my HD600 fine. I usually listen to headphones at moderate levels though.

As for comments on the TBH, here is a review I've done on audioreview for the product. Hope it helps.
smily_headphones1.gif


http://www.audioreview.com/Headphone...4_2751crx.aspx
 
May 27, 2005 at 10:48 AM Post #7 of 20
Quote:

Originally Posted by Ticky
"The first sign of maturity is the discovery that the volume knob also turns to the left"


I am 47 years old and I love this one!
biggrin.gif
sorry about the thread hi-jack
eek.gif


I had a Total Bithead and through the USB port my Bithead was only able to power my ER 4P's to marginal high volume levels (with out clipping) I can't belive it will power the DT-880's very well.

Ticky nice review! So what he said.
 
May 27, 2005 at 3:19 PM Post #8 of 20
Thanks Markmaxx. But, I fear that if we measure maturity by such standards, many on this forum would be er... rather young at heart.
biggrin.gif
 
May 27, 2005 at 5:21 PM Post #9 of 20
Thanks for the input, looks like I'm gonna have to invest in some extra equipment. Now... an inexpensive high quality usb or audio interfaces that will work on my Mac come in mind?
biggrin.gif
 
May 29, 2005 at 12:19 AM Post #11 of 20
One question: do you need this setup powered from the USB port? Or would a wall-wart be acceptable?

Unfortunately the TBH doesn't have a DC input jack. I've got an Airhead that I've only ever used with a power adapter, but of course that doesn't have a DAC built-in.

One possible option would be an M-Audio Transit to get the USB capability, and then the amp of your choice to drive your DT880s.

My Airhead drove my HD650s OK.

The Headroom MicroDAC+MicroAmp combo would work fine too, but that's $600.
 
May 29, 2005 at 5:25 AM Post #12 of 20
Not too much new to add here...assuming the Beyer's are similiar to the Senn HD650's...I got better sound quality (not just volume) with the TBH and a pair of Grado 125's then with my Senn's. Also, I found the DAC in the TBH to be marginal at best coming out of my laptop...very acceptable results when using an ipod as source. Of course, if you must use your Mac as a source the USB link is definetly superior to the headphone out jack. If you haven't bought/heard the Beyer's yet and still want a laptop/amp combo then I would recommend checking into Grado's.
 
May 29, 2005 at 1:38 PM Post #13 of 20
I'm really surprised to hear that the TBH can't drive Sennheiser HD600 and HD650 since I use my TBH to drive mine ALL THE TIME!
It works great.
I have better (read more expensive amps) yet I find the TBH is a really elegant solution for my PowerBook. It's the only way to eliminate the
sh!tty headphone section without purchasing a standalone soundcard or USB DAC.
It really has no trouble driving higher impedance cans like the Senns, and I assume, the Beyers. For the money, what have you got to lose? HeadRoom has a generous return policy and you need to hear for yourself whether it drives your cans to acceptable levels. I think you'll find it works pretty damn well. If not, send it back.
It's not the best amp I own but it's a damn fine product and as it's a perfect fit for your system, I'd really recommend at least giving it a try. The other way to go might be one of the new Headroom amps coming out that have a built in DAC option.
Just my $.02.
CPW
 
Jun 4, 2005 at 3:41 PM Post #15 of 20
When driving higher impedance headphones like the HD600/650, or DT880, it's helpful to make sure that the volume control in both your software program and your control panel is set to full maximum. That sends the best signal to the Total BitHead where you can then adjust the listening level. I find the Total BitHead to give good comfortable listening levels with these phones but, some of my friends (who may be deaf soon) really like to rock out. At that point, an amplifier with more voltage available is the cure. Powering the BitHead off batteries can give a little more juice. It's probably worth noting that some monitor usb ports and some usb hubs offer less power, especially if multiple devices are connected.

I agree with CPW, having a listen is the best way to tell.

Cheers,
Jamey
 

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