O2 amp, swapping 3.5mm jack for 1/4" jack
Nov 10, 2015 at 7:36 PM Thread Starter Post #1 of 1

WhiteFireDragon

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I'm sourcing parts and building the NwAvGuy's O2 amp. The BOM uses a 5-pole through-hole 3.5mm stereo jack, however I'd much prefer the larger 1/4" (6.5mm) stereo jack. I'm looking through mouser parts, and the positions of 5 legs does not seem like it's available in the 1/4" female jacks.
 
Based on the schematic of the 3.5mm jack, only 3 legs are actually needed, as two of them just provide redundancy.
http://www.mouser.com/ds/2/222/STX3120-334667.pdf
 
I have pre-filtered the search results for the conditions (I think I used the correct paramenters?):
http://www.mouser.com/Connectors/Audio-Video-Connectors/Phone-Connectors/_/N-778cv?P=1yzvc3fZ1yvsm2eZ1yvgcgzZ1ywoz7sZ1z0z7m4Z1z0z5h6
 
The part numbers on the NwAvGuy's BOM for the Objective2 amp that are 3.5mm jacks:
  1. STX-3120-5B-284C
  2. STX-3120-5B
  3. STX-3120-5B-577C
 
 
I won't be using a front panel, so I need to choose one that can be soldered directly onto the PCB. Is this possible with a compatible 3 or 5 pin through-hole jack? If so, please help me source the part for a 1/4" jack.
 

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