Documenting: My SDA-1c upgrades from start to finish

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  • BlueBirdMusic
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    Jstas wrote: »
    Air compressors will spray moisture and lubricating oil. Not recommended for electronics. At least not without a de-ionizing dryer installed in-line. ESD standards dictate those for a minimum. You'll also need a grounded air line as compressed air can build up a static charge. There's a reason that you don't see electronics repair techs using air compressors.

    Those reasons are why "canned air" exists. It's dry, static free and non-conductive, made specifically for electronics.

    https://www.officesupply.com/technology/computer-accessories/cleaning-maintenance/air-dusters/cleaning-duster/p788559.html?ref=pla&scid=scbplp788559&sc_intid=788559&msclkid=c3ab209179a1166b7280471ebb74f062

    Using a leaf blower is a sure fire way to damage something. Unless you have a significant way to create enough displacement, kicking up a cloud of dust just to evacuate it with a simple air transfer is harder than you think and there will still be particles that are light enough to get kicked up by the massive amount of air a leaf blower will displace quickly but too heavy to remain suspended in air long enough for an evacuation system or air scrubber to be able to extract. In other words, it won't work.

    Your best bet is to invest in an ESD Anti-Static Vacuum Cleaner meant for cleaning electronics.

    https://www.northerntool.com/products/metrovac-datavac-esd-safe-anti-static-pro-series-vacuum-blower-120-volts-4-5-amps-70-cfm-model-117-117513-mdv-1esd-104687?srsltid=AfmBOoo6APxF1ZYPPgsSTiZXg3DMWhhidZtz30If8b7EwF_iZU1vW7byjG8&gQT=1

    This is your best bet because not only will it prevent the vacuum itself from frying sensitive electronics with the static fields it generates but masonry dust can and will build up a static charge in the vacuum line and an ESD vacuum will have a grounded lead to dissipate that charge through the grounding system instead of your sensitive electronics. The vacuum will remove all of the dust without introducing static electricity or moisture.

    If you're doing all these "mods" to electronics, you should have one of those anyway.


    Always something new to learn!! I did not know that type of vacuum cleaner existed. The price is reasonable. Thanks!


    Lots of good stuff going on this thread with the hotdogs, concrete dust, etc.

    "Sometimes you have to look to the past to understand where you are going in the future"
    Harry / Marietta GA
    m9iutt1ly1yd.png
  • plastic_avatar
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    It's summertime, and time for hotdogs.

    I figured, at the very least, I'd log in, say hi, and prep for some post-July-4th cookout meals:

    4fasvjhlxj8c.png

    (I take exception with the WV dog being called a Carolina dog, but the chart seems otherwise almost comprehensive... missing a few from our discussions.)

    In other news, the 1C are humming along nicely (with and without the LF12-modded low-end reinforcement).

    I tried a really nice ChiFi amp that is a big improvement in clarity and speed over the stock GFA-555ii. I look forward to refurbishing the Adcom to see how they compare once the parts are kind of equalized.

    ij58riiytqx9.png
    The Thrifty Setups in Mah House Big thrifty stereo in the basement w/ my custom SDA-1C (built with help from kind forum members) * Beautiful 1966 MCM GE console upgraded w/ Bluetooth, Dual turntable, and Paradigm speakers in family room * Swanky 1980 Realistic system and great TEAC eq with dancing colored lights in the living room * custom 5B on a system for my Dad * Ye Olde college stereo in the garage
  • skipshot12
    skipshot12 Posts: 2,164
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    That dog top left looks like Sabrett’s.

    I’d start from the that New York dog then work my way through the list.

    Having dogs tonight but I’m having to do them inside.
    For some reason my grill took a Hud.
    Gas blockage somewhere, nothing gets to the burner it just pressurizes the line.
  • skipshot12
    skipshot12 Posts: 2,164
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    What is the amp, some specs please.

    Reminds me of a Gamut in a way.
    What’s the guts look like?
    How’s lower freq’s?
  • plastic_avatar
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    108P NHB-108 Pro (clone) https://a.aliexpress.com/_mOfbhtz

    I got it for less than $500 (before shipping) in April. The price rose because of reasons...

    I chose it over this

    D5PRO and D5PRO BC 1:1 Copy NHB-108 https://a.aliexpress.com/_mKxiGRH

    because the ASY had a dual mono setup and balanced inputs + RCA.

    However, my ASY is a first gen with a pair teeny caps reversed on the boards. I took a partial refund to have it fixed, rather than send it back (tariffs suck).

    But, the D5Pro is all the rage amongst the ChiFi crowd. Cost/performance ratio is crazy.

    Sunshine Audio is one of the places recommended by guys who run a ChiFi group. They sell that D5Pro version.

    I'm astounded at the sound I squeeze out of my speakers with the new amp. So repairing it is acceptable with the compensation.

    New ones don't have the issue.

    I haven't heard any complaints on the D5Pro.

    If I had the funds, I'd buy D5Pros for 6 of us to try... I trust the opinions of the guys who have them that much. C'mon Lottery!
    The Thrifty Setups in Mah House Big thrifty stereo in the basement w/ my custom SDA-1C (built with help from kind forum members) * Beautiful 1966 MCM GE console upgraded w/ Bluetooth, Dual turntable, and Paradigm speakers in family room * Swanky 1980 Realistic system and great TEAC eq with dancing colored lights in the living room * custom 5B on a system for my Dad * Ye Olde college stereo in the garage
  • skipshot12
    skipshot12 Posts: 2,164
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    At that price they'd be worth a try.