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Old 10th July 2004, 04:08 AM   #1
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Default Headphone amp 4 Sennheiser HD555's

On here way back from Asia my other half picked up a pair of Sennheiser HD555's from duityfree (she understands the Hifi obsession).

So the question is what would be a good Amp for them stats are as follows;
freq 15-28000Hz
input power 500mW
Impendance 120ohms

I am also instested if any one with Valve ideas would like to chime in.

thanks for your time
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Old 10th July 2004, 10:05 AM   #2
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do you need gain?? if not a class A mosfet kinda thingy would most likely work for you...however becareful of the heat~!!! check out HeadWize...
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Old 10th July 2004, 11:36 AM   #3
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Gazza,

How do you find the HD555s? They have just arrived in .au but I'm having difficulty finding anyone who will let me listen before buying. Can you comment on how they compare to the HD580 or HD600?

Cheers
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Old 10th July 2004, 12:56 PM   #4
paulb is offline paulb  Canada
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http://headwize.com/projects/index.htm
Also check their forums and those at http://www.head-fi.org/
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Old 10th July 2004, 01:01 PM   #5
Bricolo is offline Bricolo  France
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If you don't need voltage gain, the Szekeres is a nice amp, good sounding ans easy to build
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Old 10th July 2004, 02:18 PM   #6
karma is offline karma  Canada
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Quote:
Originally posted by djfergus
Gazza,

How do you find the HD555s? They have just arrived in .au but I'm having difficulty finding anyone who will let me listen before buying. Can you comment on how they compare to the HD580 or HD600?

Cheers

i have had those 2 model's thay sound good. i find the open air
model's better. good hight's and not to much base. im using the hd500 now. i like that is has a plug on the speaker itself so if you
step on the cord it wont rip it out of the speaker-- see pic

and it's replaceable
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Old 10th July 2004, 02:32 PM   #7
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yupz...the same as those I have on my HD490..I haven got around to replacing my aging 490s...but I kinda like them...so I;m sticking to em...cost me an arm and a leg at that time...when I was 13...used it primarily for gaming...everybody asks me the price of em after they've heard it...then gasps and sae "u're crazy"...yeah I am a little...but whu cares??
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Old 11th July 2004, 12:31 AM   #8
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Default 555's

I can offer very little in the way of comparisen to the 500 or 600s I have run them for about 50hours and the show great prommise all ready the have nailed my Koss to the wall sound stage is amasing low end to die for and the hi's which were some what agressive are setteling down I am currently driving them with a QED can amp that is about 10years old

I am not sure if i need Gain
Quote:
If you don't need voltage gain, the Szekeres is a nice amp, good sounding ans easy to build
do you have any details on this amp

Also Heat dosnt scare me so Class A is an option

As to how i got them other half was sent to Asia on business and picked the up in Singapore for about NZ$220 (US$145)
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Old 11th July 2004, 08:31 AM   #9
Bricolo is offline Bricolo  France
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Default Re: 555's

Quote:
Originally posted by GazzaFloyd
I can offer very little in the way of comparisen to the 500 or 600s I have run them for about 50hours and the show great prommise all ready the have nailed my Koss to the wall sound stage is amasing low end to die for and the hi's which were some what agressive are setteling down I am currently driving them with a QED can amp that is about 10years old

I am not sure if i need Gain

do you have any details on this amp

Also Heat dosnt scare me so Class A is an option

As to how i got them other half was sent to Asia on business and picked the up in Singapore for about NZ$220 (US$145)
if you're using a 2V RMS output, believe me, you don't need voltage gain

http://headwize.com/projects/showfil...szeke1_prj.htm
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Old 11th July 2004, 09:27 AM   #10
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Default 555s

can anyone suggest kits eg links.............?
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