More camera tests and a very retro sound with a device microphone that removes most of the pesky bass from my voice like the iPad used to. It seems fitting that I should take apart a lamp to continue the retro theme.
I realise that some people like the bass, but for many others it causes problems with compact playback devices with small speakers that end up very quiet because they don't have the frequency response to match.
Other notable things are that this device is tricky to get a decent light level range on. That also matches the iPad experience when I had to use a calibration chart before each video to lock exposure.
Andrew's website selling the US/Canadian color Quicktest is at:- https://nodedist.com/
If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:-
http://www.bigclive.com/coffee.htm
I realise that some people like the bass, but for many others it causes problems with compact playback devices with small speakers that end up very quiet because they don't have the frequency response to match.
Other notable things are that this device is tricky to get a decent light level range on. That also matches the iPad experience when I had to use a calibration chart before each video to lock exposure.
Andrew's website selling the US/Canadian color Quicktest is at:- https://nodedist.com/
If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:-
http://www.bigclive.com/coffee.htm
Just opened a failed one of these, having seen the LED jumper hack but all the LEDs are ok, it's the 6.8uF cap which has gone. I have a few more of them failed, so I might use a multitool to slice them open closer to that cap, now I've seen the construction.
I repaired a small Aldi brand one a guy brought in that was supposed to be dimmable. It had the same circuit as that one, but a higher value filter capacitor and no resistor in series with the LEDs. There was 10 quad LED chips (each had 12.8V drop). To make it dimmable, they had one of those little resistor shaped inductors, instead of a surge limiting resistor, which promptly cooked and shorted when dimmed as the inductance was no where near high enough to absorb the 100 surges a second, and blew the fuse that was also included. I replaced it with a resistor and instructed him not to dim it as it was not properly designed for it. If I remember rightly I got it apart by scraping the glue out with a piece of old teller card. The light output was so good, I bought a pack of 3 10W ones on special at Aldi (Not for dimming of course).
The proper dimmable ones have a little switch mode PS chip with an enable pin connected through a resistor to the power input to switch the LEDs on only when the i/p voltage is present. Because the filter capacitor is large, the ripple is minimal so there is only small pulses across the surge limiting resistor.
Have used a number of these to light my house for the last 4-5 years, none have failed.
Another comment. Do all lamps put the LEDs in series? Seems to defeat one of the benefits of LEDs
I haven't seen you comment on the fact that Poundland charge £1.20 in the Isle of Man.
LOL, That made me laugh, sorry Clive, it was the dramatic change in pieces before and after your cutaway. Poor fucker never stood a chance. 🙂
Last year 2019 I bought some Asda led lamp GLS AT 9.4w= 60w the white tubular near the base got so hot you couldn't touch it without scorching yourself. This year 2020-07-10 the lamp died and its not even year old it packed up just giving out a small glow it done aprox 3000 hours lol.
Most LED lamps like this in the USA have push-through connectors holding the caps and the mains leads, very easy to change out.
No need for the spudger, just grab the bulb with channel locks and hold the socket end and wrench it apart
It annoys the hell out of me that it's unserviceable
Without fingernails, he needs a knife to open anything.
As some others have commented. Looking exactly the same, Canadian 120V 10W bulb tests at ~11W and ~1.0 power factor and yes, the base does get quite hot, but not smokin' hot.