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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
2M ohm resistor - trouble replacing
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MindControl



Joined: Aug 04, 2009
Posts: 16
Location: Australia

PostPosted: Tue Aug 11, 2009 2:36 am    Post subject: 2M ohm resistor - trouble replacing Reply with quote  Mark this post and the followings unread

Im a bit frustrated over this. I broke the leg on this 2M ohm resistor and I thought it would be dead easy to get a replacement here in Australia. Well, you would think so. They sell resistors here in the major electonic outlets like 2M2 but not the exact value. I must say it would be better for MFOS to supply the resistors in labelled packages, cause there are many different values in the project. Same whith everything else, if you pay extra for a complete kit should expect everything be labeled to contribute to the novice's success? There should be a clearly labeled plastic bag for each line on MFOS parts list. And if there are 2 sheets of paper in the box, then something should be printed on the back like the parts list for example to save time and confusion. I am having a little confusion whith the switches cause there are 2 types.

Anyway, Im getting close to finnishing mini soundlab, and wondered if it would make such a difference if I substituted R13 2M whith a 2M2 ohm resistor? I think I saw a exact 1M ohm 8 pack at the store, I should of picked that up too? If I buy a few resistors, I have to pay in cash cause you have to spend more if you use card, which is a bit of a inconvenience.

Can I substitute the values?
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RF



Joined: Mar 23, 2007
Posts: 1502
Location: Northern Minnesota, USA
Audio files: 28

PostPosted: Thu Aug 13, 2009 12:40 pm    Post subject: Reply with quote  Mark this post and the followings unread

You've got some wiggle room on a 2 meg resistor....go ahead and try the 2.2 meg, it'll be fine.

Or put two 1 megohm resistors in series... That's perfectly fine, too.

bruce

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"I want to make these sounds that go wooo-wooo-ah-woo-woo.”
(Herb Deutsch to Bob Moog ~1963)
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MindControl



Joined: Aug 04, 2009
Posts: 16
Location: Australia

PostPosted: Fri Aug 14, 2009 5:30 am    Post subject: Reply with quote  Mark this post and the followings unread

Anyway, in the end I used two 1M resistors. I will have to double check them all just in case, cause I was a few resistor short. Overall my soldering is quite good, except for 1 or 2 near disasters. Very Happy

The circuit board is definitely high quality, the bigger pots certaintly make it
a lot easier. Iv got everything, including the board, mounted onto the front panel. Its getting very close to just connecting up all those wires.

Its quite a good project, cause most of the basic elements are there, and plenty of room for modifications. The board itself is not difficult, its more of a construction effort whith the panel and all those pots, switches and wires. Very Happy
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