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  1. A few of us over at another thread started by Blueman2 are contemplating getting SRX Plus PCBs fabricated. See this thread: http://www.head-case.org/forums/topic/12445-plan-to-build-srx-where-to-find-bom-boards/ Discussion of the SRX Plus design can be found here: http://www.head-case.org/forums/topic/11996-srx-revisited/ I've checked with PCBNET and we can get the cost the amp board to $25 if we order at least 15 boards. The board will be 2mm thick with 3 oz copper, the board size is 9.35" x 6.85" ( 2 channels on one board ). Kevin has recently updated the board with teardrops enabled. We have not decided on the PS to use yet. The SRX Plus needs a +/- 340VDC and -20VDC supply in addition to filament supplies for the 12AT7 (x 4) and 6SN7GTB (x 2). JimL is working on a PCB of the shunt regulator he used and published on Audio Xpress. I think a GR HV configured for those voltages will also work. No promise, but if we have enough interest to start a GB, I will run it following similar process and logistics as we did on the Carbon GB earlier this year. Please state the number of boards you like if you are interested as well as your thoughts/preference of the PS. If we cannot reach consensus on the PS to use I am inclined to confine this GB just to the amp board. Thanks and Happy Holidays! EDIT 1/9/2015: Kevin has laid out a PCB for the shunt regulator JimL designed for the SRX Plus and added the 580VDC bias. The PSU board measures 8.9" x 5.05" and requires off-board heatsink. I have also upgraded the boards to 2mm thick and 4 oz copper. The amp board will be $25 each and the PSU board $20 each PSU if we can reach the quantity of 20 boards each. Here are the board counts: MLA: 2 AMP 2 PSU UFN: 1 AMP 1 PSU blueman2: 2 AMP 2 PSU gepardcv: 1 AMP 1 PSU jose: 1 AMP 1 PSU palchiu: 1 AMP 1 PSU charlo89: 2 AMP 2 PSU DefQon: 1 AMP 1 PSU (please let me know if your friend is interested and how many) JimL: 2 AMP 2 PSU sorenb: 2 AMP 2 PSU mwl168: 2 AMP 2 PSU eggill: 1 AMP 1 PSU Samsie: 1 AMP 1 PSU b0bb: 1 AMP 1 PSU GeorgeP: 1 AMP 2 PSU Rodeodave: 1 AMP 1 PSU Bdrew: 1 AMP 1 PSU
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