AD 846 AN is ther a better sounding opamp out there - diyAudio
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Old 7th September 2002, 08:32 AM   #1
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Default AD 846 AN is ther a better sounding opamp out there

i own a audio synthesis dsm dac and the AD 846 AN OPAMPS ARE INSIDE.i have priced these up and they are 12 pounds each is there better qualiy single opamps to be had and are they cheaper thank you for your time john
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Old 7th September 2002, 05:07 PM   #2
dice45 is offline dice45  Germany
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NAP 160,
i doubt you get any answer in the analogue board.
I took the freedom to move your thread to the digital board.
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Old 7th September 2002, 05:24 PM   #3
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Unhappy AD846's and moderators run amuck

It's an analog part....... why is it better placed in the digital section? Actually this is very good sounding op amp for this application. You could do a lot worse by random substitution.

H.H.
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Old 7th September 2002, 05:32 PM   #4
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It is neither analog nor digital part, but solid state.
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Old 7th September 2002, 06:52 PM   #5
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Unhappy It is neither analog nor digital part

Nope...... its an analog part, a current feedback op amp. Maybe that's why it is made by Analog Devices.....

H.H.
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Old 7th September 2002, 11:40 PM   #6
hifiZen is offline hifiZen  Canada
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I've heard a lot of people say the AD8610 is a nicer sounding opamp... but, I've never done a direct comparison myself. You should also check out the OPA627 which is highly regarded. I believe Mark Levinson uses those as I-V converters in their DACs. There's a thread on here somewhere in which someone lists the results of their opamp comparisons. Or, if you check on audioasylum, I think there's a lot of opamp opinions on there.

I've never run into a digital opamp, and I sure hope I never do!
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Old 8th September 2002, 09:37 PM   #7
BrianL is offline BrianL  United States
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Harry said:

------------------------------------------

Maybe that's why it is made by Analog Devices.....

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Harry, they make DSPs as well and thems sure ain't analog.

Then there are ADCs and DACs which are only "half analog".

Maybe they should change their name to "Some Analog Devices"
(SAD...)

;-)
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Old 8th September 2002, 10:26 PM   #8
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That's true, and the only AD parts I'm using are digital. By saying "solid state", I was rather refering to the section of this Forum.
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Old 22nd September 2002, 03:20 PM   #9
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Default AD 825 seems to be better....

http://www.lcaudio.dk/com/ad825.htm

On this site they prefer AD825 and it is cheap too.

/ Patrick
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Old 22nd September 2002, 04:08 PM   #10
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FYI since nobody has mentioned it in this thread, AD846 is
discontinued. AD suggests AD8001 or AD811 as replacement.

Garwin, note that AD846 is a current-feedback amp, so it may
not be possible to replace it with a voltage-feedback amp
such as AD825. There is a lot of talking about the AD825,
probably because of the LCs modules. I am a bit suspicious about
LCs claims, since the comparison table is flawed. The data for
AD825 is not taken directly from the datasheet, but arbitrarily
selected from the ranges given, while the worst-case figures
are often used for the contenders. how it sounds is a different
matter, of course, I am just pointing out that LCs attempt to
couple their listeining experiences to data is questionable.
There are many other interesting choices out there, and there
are many opams with similar data to AD825, which is actually
a low-cost device not intended for audio (could still be good for audio, of course). I haven't heard AD825 myself, but a friend of mine is currently trying it an seems to prefer it to OPA627 when
used in front of a BUF634 in his preamp.
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