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AKG1000s - What Amp?

post #1 of 31
Thread Starter 
I've got a pair of AKG1000's on order from Todd. I'm in a quandry as to which amp (affordable) would be best. I've read a number of AKG1000 threads here. So far it looks like the SAC is actually a safe bet and still rather affordable. Any other suggestions? I'm also considering using a powered subwoofer with these too. I will be listening to these in my office at home. The sub I have in this room is a modified Sony 12" self powered. Forgot the model # and it's buried under my desk, way in the corner. Ah, here it is... SA-WM40. Anyway, in this tiny office, it sounds pretty good crossing in @ around 40Hz. While it shakes the rafters (figuratively speaking) on the low pedal notes, it is undetectable in terms of artificial coloration of the rest of the spectrum. I'm running everything else full range, have the phasing set appropriately. My main concern is the speed and relative phase coherency of the woof'r when added to the AKG's.

Anybody else tried an external sub with the K1000's yet?

TIA kevin
post #2 of 31
Headroom also reccomends the Antique Sound Lab AQ-1008DT for the K1000, but at the Headroom meet Tyll told me that the K1000 needs as good an amp as you can get for it. He had it paired with a huge tube integrated amp that sounded really fantastic. I can't remember how many WPC it was, but I think it was around 20.
post #3 of 31
Ah, here it is: the Ear V-20.
http://207.66.131.158/headroom2/layo...tID=0010050005


of course, this amp costs $4600. So it probably wouldn't be the most affordable choice .
post #4 of 31
Some people have had pretty good success with their power amps and integrateds.

The SAC amp is only for the AKG's from what I could see...so I would wager that a power amp or integrated might be "safer" since its also more versatile. Also unlike conventional headphones, the AKG actually should sound fine with conventional power amps and integrateds since it can handle the higher outputs.

I guess the SAC amp could be considered affordable...but a power amp or integrated amp would be able to play double duty which makes it also an economical choice if there ever was one in audio.

Not sure but I believe someone even preferred their affordable NAD integrated. So perhaps you should just try it with the power or integrated amps you already have first.
post #5 of 31
Thread Starter 
Quote:
Originally posted by Neruda
Ah, here it is: the Ear V-20.
...
of course, this amp costs $4600. So it probably wouldn't be the most affordable choice .
Wow! fancy! It had better sound good!

As many of you may have seen from other posts, I have a Kenwood RD-VH7 HDCD CDP which has a 15WPC amp built in. It is Class A up to about 6 watts and then bias changes to class AB.



It sounds pretty nice on speakers, but plugging any good headphones into its HP socket sounds pretty dreadful compared to the OBH-11SE driven from the line outs. I just checked this again yesterday. Dissapointing. I was hoping I could get away with hooking the AKG's to the speaker outputs and enjoying some class-A sound on the cheap. But maybe I'll just get what I paid for instead... I will let you know. I can hardly wait 'till they arrive. Should be here tomorrow!
post #6 of 31
Headphone sockets out of integrated amps and such are usually the speaker outputs however with resistors which raises the output impedance, has less damping factor...sounds much muddier than a dedicated amp.

Also I have always wanted to really know something about the AKG1000's. Speaker amps tend to be noisier than headphone amps...but because speakers are less efficient, the noise isn't an issue. However pair up some headphones and you could depending on the amp hear noise that most speakers would have glossed over given the higher detail and proximity of headphones.

I'm just wondering, since I have to press my ear entirely up to the tweeters of my speakers to even hear any noise. However thankfully no one listens to speakers with their ears pressed to the tweeters and the noise would already be gone if I moved slightly. But headphones are a different story...and I always wondered how well the AKG1000 handles typical speaker outputs! I guess it has a lot to do with efficiency and sensitivity. I guess we'll find out soon.
post #7 of 31
Tim, I've tried the AKG K1000 with both a Cambridge A300 and a Mistral LFD SE Integrated from the regular speaker outputs. I've heard no noise or other obvious distortion through either.
post #8 of 31
Try Amity:

http://www.amity.de

It's another dedicated K 1000 amp.
post #9 of 31
Thread Starter 
Quote:
Originally posted by evilcthul
Try Amity:

http://www.amity.de

It's another dedicated K 1000 amp.
Thanks, when the site is back up, I'll check it out.
post #10 of 31
They sell a few AKG amps.

check them out :

HPA2A Spezialanfertigung für AKG1000 mit Neutrik Stecker


HPA3A Spezialanfertigung für AKG1000 mit Neutrik Stecker
post #11 of 31
kwkarth ,
I've been using my K1000 with a Cambridge Audio A500 and find it to be a very decent combination...far better than the K1000 with the SAC amp, which i also have...As far as noise from the A500 i've never heard any though i have a hearing loss so i can't be sure...suffice to say if there is noise it is likely not enough to cause concern...

FYI, the first K1000 i received from Headroom had no sound out of the left side earpiece but the nice lady at Headroom replaced the broken unit immidiately and the second unit works simply superbly but it will need a good "break in" period before it sounds its best as with any headphone

happy listening...
post #12 of 31
Thread Starter 
Quote:
Originally posted by squirt
kwkarth ,
I've been using my K1000 with a Cambridge Audio A500 and find it to be a very decent combination...far better than the K1000 with the SAC amp, which i also have...As far as noise from the A500 i've never heard any though i have a hearing loss so i can't be sure...suffice to say if there is noise it is likely not enough to cause concern...
FYI, the first K1000 i received from Headroom had no sound out of the left side earpiece but the nice lady at Headroom replaced the broken unit immidiately and the second unit works simply superbly but it will need a good "break in" period before it sounds its best as with any headphone. happy listening...
Thanks!
Say, BTW, I used to have a Humuhumunukunukuapuaa trigger. Totally cool fish! A veritable Picasso canvas on the fin!! I noticed you've got a CCRadio too. Good radios aren't they! Aloha!
post #13 of 31
kwkarth, i just noticed that you're from beaverton. cool! I'm pretty close to portland, as are several other headfizers. That sucks though, you came here to late to hear about the headroom meet.
post #14 of 31

Hi kwkarth...

I did spend some time messing with the K1000/SAC with a subwoofer. I posted a description and photo on this site somewhere.

It worked splenididly. I would suggest using the sub in nearfield and away from walls and corners, if possible. This gets rid of a lot of the room ringing and tightens up the bass significantly. I would also suggest a high-pass upstream of the headphone amp to reduce the excursion of the headphone drivers, which is a source of distortion. Getting the phase right should be easy if you have a phase switch or control on the low-pass filter.


Have fun. Those are great phones.
post #15 of 31
kwkarth,
yup them Humuhums are about the cutest things with fins out there...the keiki (child) ones make great aquarium pets and they are built like Sony ES CD players but they don't play CDs...
I listen to my CCRadio more than i listen to music and its the best radio i've ever had by far...of course it cost a lot more too..
Aloha & Mahalo
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