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Congratulations! You’ve got an assembled OneShot preamp!
Страница 1: ...tience to follow instructions precisely and work carefully Essential Tools Fine tipped 20 30 watt soldering iron w cleaning sponge Hakko 936 or similar Eutectic 63 37 rosin core or no clean solder 025 diameter is usually best Small needle nose pliers Small diagonal cutters Wire stripper Phillips screwdriver 1 3 32 Hex Driver Highly Recommended Tools Socket Work Area Find a clean stable well lit wo...
Страница 2: ...ons to your module 1 DI Switching To enable this feature the signal flow from the module s input connector must be interrupted and rerouted to the M and M pads on the OneShot power board For most modules the easiest way to get the signal from the module to the OneShot is to remove the blue EMI filters Solder jumpers between the vacant filter pads and the M and M pads as shown Make sure you re usin...
Страница 3: ...eep in mind that only modules with split primary input transformers namely the N72 and J99 will work with the Input Z switch Both of these modules have headers that can be used to terminate the jumpers 4 Modified N72 and OneShot boards ready for installation in the chassis Input Transformer Terminal Numbering See Schematics P1 P1 P2 P2 J99 1 2 4 3 N72 2 4 3 5 ...
Страница 4: ... 7 If your module has an output transformer select the appropriate mounting screws and run them through the holes that align with the circuit board Use 4x 1 screws for an N72 Use 2x 1 for an A12B or J99B If you have an older module you may have to drill your own holes 8 Slide nylon spacers over the screws and run them through the module PCB and output transformer Don t forget any spacers needed be...
Страница 5: ...tach the rear panel to the bottom half of the chassis 11 Attach the front sub panel in a similar fashion to the back Take care not to push the LED into the chassis Use 2x 4 x 1 8 flat head screws to attach the front panel to the bottom half of the chassis 12 Snug the screws left loose in the steps above Don t over tighten A drop of blue Loctite on the transformer nut threads is a good idea 13 Use ...
Страница 6: ...o it protrudes through the hole in the panel 15 Install the serrated washers and panel nuts Carefully snug the nuts using a socket and finger torque only Leave the ratchet wrench in the toolbox Cover the end of the socket with a few small bits of tape to avoid scratching the panel 16 Install and align the knobs 17 Using the 4 40 x 3 16 screws attach the feet ...
Страница 7: ...7 18 Congratulations You ve got an assembled OneShot preamp ...
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