i have a Mackie Thump th-12a pa speaker on my workbench and im at a dead end with it it come in to me after being dropped checked the pcbs for dry joints to no avail bought in a new amp section no help there changed transistors on the psu as they seem to be a common fault but again no help please note if you take on this case you will only be Mackie Ultimate Operation, Repair, Service manuals & Schematics DVD Mackie Ultimate Operation, Repair, Service manuals & Schematics DVD. SWA2801z repair manual. SWA2801z Service Manual. TH-12A owner manual. TH-15A owner manual. Mackie TH-12A User Manual Owner's manual (17 pages) Mackie SA1521 Quick Start Brochure (2 pages) Mackie SRM450 User Atkinson Dynamics AD-SF-25 Installation And Service Instructions Manual Installation and service instructions manual (8 pages) PowerBass L Mackie Th-12a Schematic Mackie TH-12A manual table of contents: Mackie TH-12A / TH-15A Owner's Manual - Page 1. TH-15A 2-Way 15" Powered Loudspeaker OWNER'S MANUAL. Question - i have a Mackie Thump th-12a pa speaker on my workbench and - FD. know the psu in it is the same as a th15a I don't have a schematic for it. Mackie Thump TH-12a powered speakers. Will not Includes owners manual. Will be. Mackie FR M-800 PA Power Amp Owners Manual. EUR 6.64, Free Mackie Thump TH-12A speaker amplifier module repair service! Flat rate repair. Support and online pdf manuals for Mackie TH-12A. Mackie Thump TH-12A - DJkit.com TH-15A 2-Way 15" Powered Loudspeaker OWNER'S ServiceManuals.net carries service manuals for many different products, including the MACKIE TH15A THUMP. Visit us online for more information or to download service manuals today. Mackie Powered Speaker Repair - Page 1. EEVblog Electronics Community Forum. A Free & Open Forum For Electronics Enthusiasts & Professionals I have 3 of the Mackie Thump 15a speakers and 2 of them will not put out any volume until you turn the gain up all the way on the back of the speaker Buy