Tagged: BeoGram 1000, preamp, RIAA
- This topic has 8 replies, 4 voices, and was last updated 2 years, 3 months ago by chartz.
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- August 5, 2022 at 9:12 am #7399
I am trying to recreate the original Pre-Amp PCB for the BeoGram 1000.
So far, I have the images of the copper traces, including a drawing of the placement of the components and the specs of those. Now I only need to know the exact dimensions of the original Pre-Amp PCB board.
Question
Who can help me find the dimensions. In the picture below I have marked the dimensions I am looking for: A – E.August 6, 2022 at 5:32 pm #7432Dimensions all mm.
August 6, 2022 at 6:23 pm #7433THIS IS GOOD BEOWORLD !!!
August 6, 2022 at 6:29 pm #7434This is perfect information, thanks so much !!!
I will start to re-produce the original BeoGram RIAA preamp.
Fantastic!
August 8, 2022 at 6:11 pm #7492At the moment I am in preparation of making the PCB. My first step is to get the copper traces on a board.
Therefor I have to position and size the image of the copper traces perfectly. I have that picture (see picture below), but it has no outer/PCB border lines, so I have to find out how to size and position this image. (Obviously to get size and proportion equal to the original PCB)
Questions
- Does anyone have such picture of the copper traces pattern, including outside/PCB border lines?
- @Mexking: do you have a picture of the bottom side of the pre-amp board?
August 8, 2022 at 7:18 pm #7494Your trace pic is view from component side, here my pic from solder side, black dots are ground (neg.) connections
August 8, 2022 at 9:36 pm #7495Thanks for sending the bottom view picture!
Yes, I am aware that my trace image has to be mirrored.Question
The board side that sticks into the slot (so where the 8 tracks in a row are), has 8 notches.
Can you please let me know how deep they are?I think they are a little less deep than the 6mm notch on the other side of the board.
August 8, 2022 at 11:39 pm #7497Notches 2.5 mm
August 9, 2022 at 7:57 am #7500In fact the small PCB in the Beogram sans phono board has the same notches. Just remove it to see!
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