• WANTED: Happy members who like to discuss audio and other topics related to our interest. Desire to learn and share knowledge of science required as is 20 years of participation in forums (not all true). Come here to have fun, be ready to be teased and not take online life too seriously. We now measure and review equipment for free! Click here for details.

Behringer ADA8000 Opinions

Wombat

Major Contributor
Joined
Nov 5, 2017
Messages
5,712
Likes
4,382
Location
Australia
#1
On a 'Pro' forum(Gearslutz) there is a discussion on the Behringer ADA8000. Lots of opinions saying that it was fine using line-in but not usable for mic.-in due to the poor pre-amps.

Along comes a poster who says there is only one pre-amp and the line input is attenuated into it, shown here:

http://www.gyraf.dk/schematics/Behringer_ada8000_analouge.PDF Note, I verified the input circuitry against the official Behringer schematic.

Can circuit guys tell me where the gremlins, if any, lie in the mic. cct? It looks benign to me.
 
Last edited:

Blumlein 88

Major Contributor
Forum Donor
Joined
Feb 23, 2016
Messages
8,729
Likes
11,095
#2
It is common in many interfaces to have only one pre-amp circuit like that. Common for people to complain about it. Common for them when listening blind to the results not to hear what they claim is a problem. Besides they replaced the 8000 with the ADA8200. That unit has MIDAS preamps and everyone is happy. Now the MIDAS preamp may be different and better, but I bet they still attenuate the line in going thru the same circuit. The endless concern about interfaces that don't have direct input to the AD converter so you can bypass the preamp circuit. It is as bad a concern as jitter on the playback end. Basically I'd say the gremlins are mythical.

You do also have a number of pros tell you those circuits set to unity gain don't color the sound not to worry about them. And used as mic pres they are plenty good too.

They actually did some measurements of the ADA8200 in the latter half of this review at SOS. They mention how it compares with the results of the old ADA8000.
https://www.soundonsound.com/reviews/behringer-ultragain-ada-8200
 
OP
Wombat

Wombat

Major Contributor
Joined
Nov 5, 2017
Messages
5,712
Likes
4,382
Location
Australia
Thread Starter #3
It is common in many interfaces to have only one pre-amp circuit like that. Common for people to complain about it. Common for them when listening blind to the results not to hear what they claim is a problem. Besides they replaced the 8000 with the ADA8200. That unit has MIDAS preamps and everyone is happy. Now the MIDAS preamp may be different and better, but I bet they still attenuate the line in going thru the same circuit. The endless concern about interfaces that don't have direct input to the AD converter so you can bypass the preamp circuit. It is as bad a concern as jitter on the playback end. Basically I'd say the gremlins are mythical.

You do also have a number of pros tell you those circuits set to unity gain don't color the sound not to worry about them. And used as mic pres they are plenty good too.

They actually did some measurements of the ADA8200 in the latter half of this review at SOS. They mention how it compares with the results of the old ADA8000.
https://www.soundonsound.com/reviews/behringer-ultragain-ada-8200
 
OP
Wombat

Wombat

Major Contributor
Joined
Nov 5, 2017
Messages
5,712
Likes
4,382
Location
Australia
Thread Starter #4
Thank you.

The internet is home to many who are beguiled with stuff they don't understand.
 
Last edited:
Top Bottom