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SC-1mk2 and SC-1mk500 Mic Preamp Kits

SC-1mk2 Preamp Kit	SC-1mk500 Lunchbox Preamp Kit

Monday, December 21, 2009

TS-2 Mic Preamp Redesign

Monday, December 21, 2009 11:40:15 PM (Central Standard Time, UTC-06:00) ( DIY | Portable | TS-2 Preamp )

I opened up a big box labeled "TS-2" that I've put away for sometime.
Surprise surprise!

I have lots of finished front panels, hundreds of blank VU meter boards, parts for the 48V DC-DC converter, inductors, chips, LEDs, etc... even found some brand new router bits.

I think I'm going to stick with the current front panel design. So we'll have power on/off switch, VU meter on/off switch, 48V on/off, polarity reverse switch, gain, and trim knobs and 5-LED VU meters. This design is as basic as I can make it (while still keeping the features working.)

I think I've got the solution now to reduce labor building a TS-2 preamp. The new board design will:

Reduced molex connectors from (7) to (2).
Eliminated 12 wire to XLR soldering tasks.
Eliminated 12 wire stripping, and 12 heatshrinking tasks.
Made easier soldering the VU meter PCBs to the main motherboard.
Eliminate 14 wire stripping, 14 molex connectors crimping tasks.

I think I can have a prototype PCB for the new board design by late January. So I need to finish the PCB design before the 31st.

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