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  1. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    I wish I had a wiring diagram...... I might have to make my own.   So I got a DMM, tested the resistors that I installed and they all read 330 or 329 Ohms. I tested them from the opposite side of the board and got the same reading. I could see nothing wrong, so I put it all back together and...
  2. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    OK, thanks for the advice. I have looked at the fuses, they look OK but I need to test them (I have seen fuses that look good but test as dead).    There was a very strong electrical burning smell! Sudden and very strong. So I expect to see a burnt component. My nose tells me that one of the...
  3. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Thanks, can you or anyone else point me to some designs? I do not know where to look, who to trust, or which designs are good or bad. I would really like to build my own amp, but where do I start, where do I get a design/circuit diagram from?
  4. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    I agree that this major failure can only be blamed on me, asI am not qualified to work on this amp. BUT, the modifications done before were done at the factory, with factory approved parts, and the resistor that burnt started to burn at 2 months old, before the amp was even burnt in. So the amp...
  5. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Email sent to David at Little Dot......NO REPLY.   I contacted a local repair shop that works on tube amplifiers, they NEED a circuit diagram to work on the amp.   Looks like it is time to buy a WOO AUDIO WA22, at least their warranty is actually worth something. 
  6. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Everything went well for a couple of hours, the amp sounded better than ever....... then a loud crackling sound.......... then the gauges went to max, and the sound stopped, and the room filled with the smell of burnt electronics (magic smoke) and now the amplifier is dead!   RIP LITTLE DOT MK...
  7. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

      I removed the 2 aluminium rings that usually surround the base of the driver tubes. This allows me to use my favourite driver tubes without using socket savers to get them to fit inside the aluminium rings. So the gold plated pins plug straight into the amplifier, which has to be better than...
  8. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    OK, WIGGLE WIGGLE WIGGLE, OUT   The sound is better than ever!!!!   This is a worthwhile upgrade!!!   It sounds SO SWEET. Prefect balance is back, super detailed, warm and wonderful.
  9. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    OK I was going blind, I found 2 more Phillips head screws (under the large capacitors) and now the circuit board is loose, able to move a few millimetres, but not enough to get it out. There seems to be a lot of wires attached to it and I am not sure how to get the board out.   Can anyone...
  10. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Hi,   I need some advice. Inow have the 8 x 330 Ohm resistors for the Little Dot MK VI+. I have removed the base plate, the volume knob and nut and washer, and removed 8 Philips Head screws from the circuit board. But the circuit board is not wanting to move. It seems to be still stuck down in...
  11. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Hi DefQon,   Thank-you for both your offer to assist and your advise. As for assisting me, I am a resident of Canberra so I am a couple of thousand kilometres from Queensland, so it is most likely that I will be doing the repair myself. But as for your advise, thanks so much, I am glad to hear...
  12. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    My MK VI+ has a good fan and has never been run without the fan. The resistor that has burnt is not the result of the amplifier getting to hot, I believe it is because the resistors are cheap and nasty and 1 in every so many just fails and cooks itself. Nothing else is burnt, just one resistor...
  13. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    So I just bought 8 new resistors (Kiwame 5W 330 ohm Resistors) on ebay, have to ship over from Italy. Do resistors have to be installed in a certain direction, or can they go any way around?   Thanks again G600, you have been a great help to me by just showing a photo and telling us all what...
  14. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Hi G600, thanks very much for the photo of the replaced resistors. I took a good look at mine and there is one burnt brown on the right side, and the sound is just missing some volume and some magic on the right side..... so now I know why and can try to fix it. My amplifier is less than one...
  15. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    I was thinking that a point to point soldered amplifier would be fun to build, then I looked at one, and the word 'fun' does not apply to it.
  16. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Hi G600, thanks for thephotos and info. You said 'I'm now looking for a perforated metal plate I can mount to close the amp, and mount some fan on it (with external PSU).'   I found old computer cases are good for metal sheet for odd jobs, most have holes for air-flow already there..... look...
  17. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    I found these large Jensen Capacitors in my phono-stage, they are 35mm in diameter and 55mm long. These are used by Icon Audio to upgrade amplifiers to their Signature Edition best quality products.    Regarding the resistors, I would like to see the photos when you have some so that I can see...
  18. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    I am looking forward to seeing photos and getting information regarding the resistor upgrade. I have the Mundorf Supreme 0.22uF caps, and I would be happy to hear from experienced people who can tell me which resistors I could/should replace to get better performance,and which brands are...
  19. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Hi Karllin, you said 'I will be very interested in how that phono stage sounds, since I am definitely looking at getting into vinyl.'........I have been listening to the new phono-stage for 2 weeks now, and it is amazing, the best piece of audio equipment I have ever bought. It has brought my...
  20. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Some research suggests that the 'SPEED STABILITY' is almost the same as 'WOW AND FLUTTER' , so the Speedbox S specifications are only 100 times better than the standard Esprit specifications, and not 800 times better like I stated in my last post. But even if the figures were only 10 times...
  21. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Hi Androb, if you are going to buy a Pro-ject Turntable then look around and ask questions...MAKE SURE YOU GET THE 16 VOLT AC MOTOR...... I got a Debut Carbon from the USA, and it has the 16 Volt AC motor which can be supplied from the Speedbox S,($120 US, 89 GBP) which supplies 16 Volt AC with...
  22. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    4 X Military spec tubes from one Manufacturer, all with the same date code will usually be very close in electrical values. The Little Dot MK VI+ has Auto-Biasing,( the amp will adjust the voltage fed to the tubes so that all the outputs match )  so small differences in electrical value of the...
  23. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    OK, I tried out the Graphite Plate Bendix tubes and I did find them to be energetic and musical, big on the bass (not as OVER big as the Gold Brand ) but I thought they were a bit to rich in the bass at the expense of loosing some of the very high frequency detail and transparency.    I have...
  24. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    Hi Baronbeehive, are your Bendix 6080 tubes the same as the one in the photo below? I have a set of 4 of these heavy graphite plate tubes, are they as good as the reviews say they are? (I have not got around to putting them in the amp yet) When coupled with The Little Dot MK VI+ how do they...
  25. ozaudios

    Little Dot MK VI / Little Dot MK VIII SE Owners Unite

    With the recent tube rolling I have noticed some differences in sound quality, mostly with sound-stage. The Svetlana 6N5S has the biggest sound-stage of any tube I have tried. But overall the amplifier has had amazing high frequency detail, I think it might be called transparency. The detail of...
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