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  1. crazyhobo

    488nm GH04850B2G

    Thanks for the help guys! And for the detailed explanation in the above thread Farbe - also nice work on the paint mod! I just got this build so I don't want to de-can the diode, but as for the G8 reducing the box reflection's size over the G2, how much smaller are we talking? Half? Knowing...
  2. crazyhobo

    Explaining "box reflection" and how to get rid of it!

    Nice work man - this is next level.
  3. crazyhobo

    488nm GH04850B2G

    I've picked up a 488nm GH04850B2G build which is great, but I think it has the G2 lens, and definitely has the large rectangle artifact on one side of the spot. Would swapping the lens for the G8 totally remove that artifact? Also is 275ma still the agreed upon safe current?
  4. crazyhobo

    SOLD - Three 488nm handheld lasers

    Received the C6 93mW, and it's amazing. Thank you for the quick shipping and secure packaging. This little laser will be well taken care of from here. Thanks man!
  5. crazyhobo

    SOLD - Three 488nm handheld lasers

    I'll take the C6 93mW if you still have it! Direct email sent.
  6. crazyhobo

    Looking for A Car Head Unit

    That's how it starts... :D
  7. crazyhobo

    Looking for A Car Head Unit

    Anything is better than stock. I put a $100 Pioneer deck and bottom of the line Pioneer coaxes in all four corners of my neighbor's car a few years ago and it sounded freaking amazing for the money. We just ran them straight off the deck. She was thrilled. :D Adding any kind of separate amp to...
  8. crazyhobo

    Looking for A Car Head Unit

    THD @ rated power is 10X lower. S/N ratio is 30 dB lower.
  9. crazyhobo

    Looking for A Car Head Unit

    That deck looks nice. 8 band EQ. You could put 4.7 gigs of MP3's on a DVD too... As with all Pioneer decks, just don't hot swap the RCA's or you will blow a tiny fuse that is soldered onto the main board. Those speakers look OK, but some people get listening fatigue from metal tweeters. As...
  10. crazyhobo

    Looking for A Car Head Unit

    Yeah. I've been burned on eBay a few time over the years. Amps are usually safe though. Speakers... not so much. Your system sounds loud! :D
  11. crazyhobo

    Looking for A Car Head Unit

    Pioneer all the way. :D They do make good stuff. As for $600 for the whole system, it can be done if you get lucky on eBay. This is what I paid for what I listed earlier: $200 Deck -Pioneer DEH-P880PRS $100 Front - Polk MM651 $100 Rear - Polk MM691 $50 High amp - Eclipse PA5422 $150 Sub...
  12. crazyhobo

    Looking for A Car Head Unit

    No offense, but that Clarion has some pretty harsh reviews, and you could buy a whole system for the price. OP, consider getting a dash kit that allows you to use a single din unit. The one I have in my Accord adds a little compartment underneath the deck that I use quite often.
  13. crazyhobo

    Looking for A Car Head Unit

    Check out the Pioneer DEH-P800PRS or DEH-P880PRS. Neither are made anymore but can be found used on Ebay. You'll be amazed at what the 16 band auto-eq will do for your sound, and the output is crystal clear. It's the best option short of the $1000 units like Alpine F1 and Pioneer Stage 4. DO NOT...
  14. crazyhobo

    Simple mod to keep you laser from shorting out.

    UPDATE! Foam was not enough! This laser has been on my desk with a battery installed since I originally posted this. That was long enough for the spring to bend over to the point where it was almost touching the wall. Grrr. I made another spacer out of rubber strips super-glued together. A...
  15. crazyhobo

    Osram PLP520-B1 520nm Green Laser Diode

    Nice work as always DTR! Thank you! Looks like the divergence is really low despite being multimode. What would you estimate it to be? And what's the initial beam width? :beer:
  16. crazyhobo

    Glass lens swap for DPSS green!

    I HATE plastic lenses. They are nearly impossible to clean or even handle without becoming scratched. This had become the case with my "Cyber" 100mw 532nm green laser, so I bought some glass lenses from Laserlands on eBay to see if they would be more durable. 10x Double Concave Glass Lens F...
  17. crazyhobo

    Is there a US seller for DPSS green optics?

    Cool. :D Thanks! Looks like that's the route I'll take.
  18. crazyhobo

    Is there a US seller for DPSS green optics?

    Well, I really just want it to be glass as I'm tired of scratching these plastic ones. I'm not as concerned about AR coating. A glass expanding lens would be awesome too. For $20 from laserlands I can get 10 of each shipped. I only need one or two of each though. Can you beat that? :thanks:
  19. crazyhobo

    Is there a US seller for DPSS green optics?

    I saw that site, but it is over my budget. Thanks though. I have contacted laserlands on eBay to see if I can buy a couple of lenses instead of a pack of 10. It is a "Cyber" style laser. Now it's a frankenlaser as I have swapped the crystals for a better set and swapped the expanding and...
  20. crazyhobo

    Is there a US seller for DPSS green optics?

    I need a collimating lens for 532 DPSS green. I found some on eBay but they are in China. I know I can buy a $5 eBay green pen and harvest the lens but I really need a bare lens. Does anyone know of a US seller? :thanks: Edit - I tried an Aixiz lens but the beam was too thin and as a result had...


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