BACKLINE 100 INDENTED BILL OF MATERIALS. Engage Channel Switch and Lead 2 switch to the front panel. The most 'focused'-sounding full-range, multi-cab bass amp sound is generally achieved by using matching cabs/speakers-preferably stacked in a line array (a single column of vertically arranged speakers) to obtain the best horizontal dispersion of mids & highs. Gallien-Krueger Musical Instrument Amplifier 400RB series Service manual (25 pages) 8: Gallien-Krueger Backline 100 Manuals: Gallien-Krueger Musical Instrument Amplifier Backline 100 Operating instructions manual (6 pages, 0. FOOTSWITCH TEST With a stereo cord, connect RF2 to footswitch jack on front panel. As well, differences in cab tuning and porting come into play. Though many bass players do so, mixing different cabs/speaker sizes in a full range bass amp often leads to some degree of phasing problems caused by the fact that larger speakers react more slowly (due to their heavier cones) than smaller ones (which have lighter cones). If you decide to get two speaker cabinets eventually, you're better off going with two matching cabs to avoid the phasing issues which often affect dissimilar cabinets. Gallien-Krueger Backline 600 Bass Head: Professional quality amplifier hidden in an entry level package. Features 300W of thunder, 4-band active EQ, adjustable contour. anyway, you're probably looking at a power supply or power amp (blown output transistors) problem.Fdeck wrote an informative review of the GK BL 600: The Gallien-Krueger Backline 600 Bass Head can handle the wear and tear of touring. Gallien-Krueger Backline 600 300w Bass Kafa Amfi at - 1055540998 Join millions of users of sahibinden mobile app SAHI to 4350 free SMS from the phone. The story behind why I had to remove the schematics is history and but for the power of Google stitching together old files you'd never have known. Hopefully will hear back soon.Here you go Gallien-krueger_400RB-IV,_BL-600_(2005)_Power_Amp_Schematic.pdfī is my site. Hopefully will hear back soon.ĮDIT- I did email GK for an exact schematic. Where to start(once I find a schematic, of course), and what to do to attempt to figure out what's going on.ĮDIT- I did email GK for an exact schematic. Īgain, I'm just looking for some guidance. Here's what pops up when I locate this amp on that page. Here's the exact amp I have - Used Gallien-Krueger Backline 600 300W Bass Amp Head | Guitar Center I've taken the amp out of the chassis and I see nothing burned, nothing visible with my eye that would say there's anything wrong but I'm sure, as with most any other component, issues are normally hidden from our eyes. For me to send this off for repair in my area, it would cost an arm and a leg, and it's more than what this amp is worth in my opinion. As soon as I feed it power, the fuse blows. It's blowing a fuse every time I turn the thing on. I have an older Gallien Krueger Backline 600. I feel like I have a decent foundation for learning this, and was hoping I'd run across someone here that wouldn't mind directing me. I'd like a better handle on how to go about checking an amplifier, where to start and end. Furthermore, this might not be the right place for what I'm looking to do either. ![]() I've searched online, and this forum for a schematic of this amp and came up with nothing specific so far though that might be more user error than anything. ![]() Basically, what I'm trying to convey is, I'm competent with a meter. ![]() After 15 years in the automotive industry, I've got a decent handle on component testing but when it comes to amplifiers/boards, I'm treading into new water here. After a few days off and on browsing this forum, I'm pretty sure you guys might be my best bet.
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