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For Sale XRK Audio BTSB SMT buffer, 2 channel SE/BAL to SE/BAL buffer and Meanwell PS

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M

mattattnet

Member
Joined 2004
#1
Sold

Asking $50 including USA continental shipping.

This is just a sale for the populated buffer, some extra parts, and the Meanwell PS to supply the board. You will need to finish it with a chassis, connectors, etc.


Populated and tested in 2022, not used in a system. Includes the Meanwell PS, extra parts, schematic and BOM as shown.

Shipping to USA only.

IMG_4396.JPGIMG_4398.JPGIMG_4399.JPGIMG_4400.JPGIMG_4401.JPGIMG_4402.JPGIMG_4403.JPGIMG_4404.JPG
 
Last edited:
#2
link to thread about the buffer

xrk971

Thread 'BTSB Buffer - SE/Bal to SE/Bal Buffer GB'

Edit Feb 19, 2024: The BTSB was tested and verified to produce 49Vpp with balanced 4.9Vpp input and balanced output. This means it can easily drive 0dB amps like F4 to clipping levels. The LME49724 datasheet says that it should be able to drive 600ohm loads to 52Vpp with low distortion levels.

Edit Nov 23, 2020: Tips on videos on how to do your own SMT/SMD soldering:
BTSB Buffer - SE/Bal to SE/Bal Buffer GB

Edit Oct 22, 2020: new boards v1.3 for TH and v1.2 for SMT have corrected them layout error and verified to be working properly in all aspects.

Edit Sept. 4, 2020: ...
 
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