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rcs16's latest activity

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    rcs16 replied to the thread 2SA725/ 726 - Transistor Question.
    They don't run hot, it's just the printing wearing off with age, dust. Must have had silver plated the leads for them to go black. All...
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    rcs16 replied to the thread SX 1250 FROM SCRATCH.
    Wow, smoking temps, 70F and raining here, good rainy day projects, lost my soldering helper this week, off she goes back to nursing...
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    rcs16 replied to the thread Altec 846B crossover cap replacement question.
    Lots will say change the caps but if it's working fine why bother? One could measure the caps to be certain that they are in spec. Most...
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    rcs16 replied to the thread Need 2mm hex tuner alignment tool.
    yeah I thought so, 3D printing is not accurate enough and the material is not strong enough. I'll ask jclpcb and lodestone pacific.
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    rcs16 replied to the thread Need 2mm hex tuner alignment tool.
    Good idea. Keep thinking of possible solutions for an under cut type for the dual coil types. Make a mold and extrusion? I was looking...
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    rcs16 reacted to PE9ZZ's post in the thread Need 2mm hex tuner alignment tool with Like Like.
    I was desperately searching for a replacement tool for my beloved TOKO 2mm HEX trimming tool which perished after years of faithful...
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    rcs16 reacted to ARC Tech-109's post in the thread SX-1080 and SX-850 Same Tuner Problem with Like Like.
    So why replaced the entire board? It's going to be just as much work to remove the board, the connection pegs and dial cord as it would...
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    rcs16 replied to the thread SX-1080 protection relay not engaging.
    Awm-120 terminal 4 connects to each power amplifier board. Each amplifier has a npn transistor(bjt) having a open collector that is...
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    rcs16 reacted to cq.ab0nf's post in the thread SX-939 AM alignement with Like Like.
    Thank you. That gave me much better results.
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    rcs16 replied to the thread SX-939 AM alignement.
    You are confusing dBf with dBuV. Pioneer calls for so many dBuV above a reference of 1uV into 75-ohms. Take any high school or college...
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    rcs16 replied to the thread TX-9500 no AM.
    Seems to be AM circuit day, someone else is trying to align the sx-939, the schematic online is unreadable. Look at fig6 in the sx-950...
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    rcs16 replied to the thread TX-9500 no AM.
    Look at this thread https://audiokarma.org/forums/threads/sx-626-am-tuner-issues.1026430/ Also the sx-626 schematic shows all the...
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    rcs16 reacted to k6sti's post in the thread I think I found the ultimate indoor antenna with Like Like.
    Another simple indoor antenna I neglected to mention is rabbit ears. It's not widely appreciated that they are circularly polarized...
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    rcs16 replied to the thread SX-1250 ACV-163 Balance Pot Testing.
    One gang is the mirror or opposite to the other gang. One half of the carbon track from the center or detent position to an outside pin...
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    rcs16 reacted to k6sti's post in the thread I think I found the ultimate indoor antenna with Like Like.
    How would that be possible? By what mechanism? Antennas behave according to well-defined rules. The rules are mathematical, which allows...
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