Recent content by way2go

:) jkowtko said it best! my problem was in fact unbalanced cables feeding balanced inputs on amps. I should've caught that sooner!

I am using MS Word for boxes, lines, arrows, text, geometric shapes

did the bench test and no hum found! Back to the site to check power and amp connections.

First, I want to thank everyone that has responded! I appreaciate all the great information. The hum is in the headphone output with all inputs unplugged, including trs; I have monitored while unplugging the outputs also. I am pretty convinced that it is not a loop, but taking it to a 'bench...

Thanks. Yes, we did try another circuit in the adjacent building with a long extention cord and had the same level of noise. If I remember correctly, I think the power cord plugs directly into the rear. I don't remember having a separate transformer on this one, but I better go check for...

Hi there. I'm wondering if anyone here has experience repairing Mackie boards. My CFX20MKII has a 60hz hum in all output channels. I haven't been inside the unit yet, but am qualified to repair the power supply. I have done the basic tests for ground loops or noisy inputs. with all inputs...

hello folks! Brad here (aka way2go) By trade I'm a Radiology Engineer, servicing xray and imaging equipment at a local hospital. By hobby, I am very active in setting up sound systems and providing live acoustic music for local Church venues. I am also a musician, playing gospel music on my...