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|Forums | Rap N Tap Clubhouse - Basic Crystal Radio Fun! | Radio Shack Mini Amplifier/Speaker||Post Reply||Send Topic To a Friend|
|golfguru||Posted - 12 November 2011 16:50 |
>>> Read the Radioboard link that you provided above. >>>>
Mmmm .... innovative.... :-)
This excercise is **not for the faint hearted** and should only be attempted if you really love your earplugs.
*** Open one up first to get an idea, before purchasing any parts and attempting the mod.***
(1) The sound is somewhat harsher than with the aluminium diaphragm
General points re: piezos,
Edited by - golfguru on 11/12/2011 4:55:41 PM
|RobertC||Posted - 13 November 2011 8:57 |
Interesting modification but probably beyond what a beginner could do. I wish Western Electric would come back! I love my 509's! My next favorite is the Radio Shack Mini Amp/Speaker.
|golfguru||Posted - 13 November 2011 14:5 |
It's not for beginners.
Edited by - golfguru on 11/13/2011 2:08:38 PM
|PistolPete||Posted - 28 November 2011 21:27 |
I'm just a beginner, but has anyone tried hooking your set to a guitar amp? It works great and it's a good way to save a few bucks if you have one around the house.
|RobertC||Posted - 30 November 2011 15:39 |
Hi Pistol, great idea! Probably most any speaker/amp will work if the input inpedance is reasonably high. If you have a multimeter, you might see what the DC resistance across your amp input is. For reference, the Radio Shack speaker/amp measures about 5000 Ohms DC and typical vintage headphones measure about 2000 Ohms DC. If it works well it probably has a high enough DC resistance and AC impedance.
Edited by - RobertC on 11/30/2011 4:09:30 PM
|giftsocool||Posted - 11 October 2012 20:22 |
I just bought a nice and cheap angry birds mini speaker sound box from ebay-----supdealer. it is a newbie but they offer good service.
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