I am going to recommend dbx 1231 graphic eq if you need such a device.Īs always, questions, comments, recommendations, etc. The dbx 1231 has a lot of bands so you may be able to get close with it but still not an optimal tool. Note that in general, graphic equalizers are poor at dealing with room modes or speaker correction. This is a quality piece with reasonable price to match it for analog lovers. My memories of consumer units was that they were hiss factories. Good to see the word "professional" has a meaning here in delivering a low distortion and noise graphic EQ. I was disappointed to see a rise in distortion at low frequencies: IMD distortion is respectable with EQ bypassed and not too bad with it active:Ĭrosstalk is excellent either way: (better than most amplifiers) I was pleased to see it handle up to 9 volts input before clipping: Repeatability is hard as well for the same reason. It is hard to get rid of the channel mismatch due to notches in the gain control with the pot itself being fully variable. Here is our signal to noise ratio which is impacted the most:įrequency response is flat in audible band with EQ bypassed: We are right at noise floor of 16 bit audio so not bad still. Turning on the EQ but keeping all the sliders at 0 shows the penalty of the full pipeline: Don't like the power supply noise but they are at -118 dB so we can ignore them. Let's start with EQ bypassed and input/output of 4 volts:ĭistortion is at -105 dB which is very good for the class. Still, feel free to read any bias in my subjective remarks. Our company, Madrona Digital, buys some of their product lines but not these. Isn't this an attractive box or what? Makes you want to sit there and just play with all those sliders! Careful though as setting them all back to zero is very time consuming. It is on kind loan from a member and costs US $499. This is a review and detailed measurements of the dbx 1231 stereo balanced Graphic Equalizer.
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