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Not my ear but the mic detected near to 3 db corrections in 25hz - 35 hz area and 17khz - 20 khz area. (I did it 3 times) after the burn-in process and cables changed, the sound has less db bumps and spikes. That's why I had to re-equalize the room response again and again.
![conrad johnson cav 50 integrated amplifier conrad johnson cav 50 integrated amplifier](https://tubeintegratedamplifier.com/photos/Conrad_Johnson_CAV_50_Tube_Integrated_Amplifier_in_Very_Good_Condition_09_ais.jpg)
In that period I didn't like the overall sound very much and never made a critical listening more than 10 minutes, not to adjust my ears. Especially not using the 115V to 230V adapters.
![conrad johnson cav 50 integrated amplifier conrad johnson cav 50 integrated amplifier](https://www.picclickimg.com/d/l400/pict/353117981118_/Conrad-Johnson-CAV-50-Tube-Integrated-Amplifier.jpg)
I believed in burn in process in speakers and a little possibility in electronics as well but power cables? they can make changes? but they did. After 200 hours burn in (yes it took that much) and changing it's stock power cable to Pangea 14 awg, and putting a new Supra Lorad mkii power cable with Sonar Quest euro plug in Cherry STM, the overall sound is more than satisfying. That's why I'm not writing my real detailed review before selling my previous amplifier and dac. I have also the previous room correction measurements and they are also the proof of my thoughts. I reviewed STM King and after 300 hours, changing my dac, changing all power cables, and with final deq adjustment, I'm so much satisfied now, that I can not write anything detailed or comparing, without trashing my previous equipments. My speakers Audio Nirvana 10" Alnico with a cabinet I designed and KEF LS 50 for nearfield monitoring.
Conrad johnson cav 50 integrated amplifier pro#
My sources: Macbook pro running Tidal, firewire connected to TC electronic audio interface, Teac TN-300 turntable with Behringer src2496 ad converter, all connected to Music Hall cdac 15.3, that connected to Behringer deq2496 and that to Holo Audio Cyan.(all digital connected) Below you can read some of the recent Feedback and Testimonials that our kind Customers have bestowed on Digital Amplifier Company products.