11-15-2013, 01:56 PM
<blockquote class="ipsBlockquote" data-author="samuki" data-cid="11713" data-time="1384516888">
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<p>mozeli se probati sa sijalicom serijski ? prikljuciti na napajanje 50v i ako sijalica svijetli radi!</p>
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<blockquote class="ipsBlockquote" data-author="HomeMadeAudioProject" data-cid="11670" data-time="1384445425">
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<p>pločica odgovara lijevoj APEX i ovoj šemi sa ESP120 koju je postavio samuki,samo što se kod te ESP razlikuje vrijednost otpornika i kapacitet/vrsta kondenzatora - sistem rada sve tri je isti. ja sam koristio ESP120 šemu zbog mogućeg sušenja elektrolitskih kondenzatora tokom dužeg niza godina,blokovi su imuni (-ji) na te pojave,jedino što bi morao da "prejašiš" dve rupe na pločici predviđene za dva elektrolita i tu postaviš blok.</p>
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<p>pročitaj ovo makar koristeći google-prevodilac: <a data-ipb='nomediaparse' href='http://www.sound.westhost.com/project120.htm'>http://www.sound.westhost.com/project120.htm</a></p>
<p> </p>
<p><strong><span style="color:rgb(0,0,0);font-family:arial, helvetica, sans-serif;font-size:16px;">Remember that the crowbar circuit absolutely must never be allowed to operate with any normal signal. A perfectly good amplifier that triggers the circuit because of a high-level bass signal (for example) will very likely be seriously damaged if the crowbar activates.</span><span style="color:#006400;"><span style="font-family:arial, helvetica, sans-serif;font-size:16px;"> To verify that no signal can trigger it, you may want to (temporarily) use a small lamp in place of R2, and drive the amp to maximum power with bass-heavy material. A speaker does not need to be connected. If the lamp flashes, your amp would have been damaged. If this occurs, you may want to increase the value of C1.</span></span><span style="color:rgb(0,0,0);font-family:arial, helvetica, sans-serif;font-size:16px;"> Note that bipolar electrolytics should </span><i>never</i><span style="color:rgb(0,0,0);font-family:arial, helvetica, sans-serif;font-size:16px;"> be used for C1, because they can dry out and lose capacitance as they age. This could cause the circuit to false-trigger.</span></strong></p>
</div>
</blockquote>
<div>
<p>mozeli se probati sa sijalicom serijski ? prikljuciti na napajanje 50v i ako sijalica svijetli radi!</p>
</div>
</blockquote>
<p> </p>
<p> </p>
<blockquote class="ipsBlockquote" data-author="HomeMadeAudioProject" data-cid="11670" data-time="1384445425">
<div>
<p>pločica odgovara lijevoj APEX i ovoj šemi sa ESP120 koju je postavio samuki,samo što se kod te ESP razlikuje vrijednost otpornika i kapacitet/vrsta kondenzatora - sistem rada sve tri je isti. ja sam koristio ESP120 šemu zbog mogućeg sušenja elektrolitskih kondenzatora tokom dužeg niza godina,blokovi su imuni (-ji) na te pojave,jedino što bi morao da "prejašiš" dve rupe na pločici predviđene za dva elektrolita i tu postaviš blok.</p>
<p> </p>
<p>pročitaj ovo makar koristeći google-prevodilac: <a data-ipb='nomediaparse' href='http://www.sound.westhost.com/project120.htm'>http://www.sound.westhost.com/project120.htm</a></p>
<p> </p>
<p><strong><span style="color:rgb(0,0,0);font-family:arial, helvetica, sans-serif;font-size:16px;">Remember that the crowbar circuit absolutely must never be allowed to operate with any normal signal. A perfectly good amplifier that triggers the circuit because of a high-level bass signal (for example) will very likely be seriously damaged if the crowbar activates.</span><span style="color:#006400;"><span style="font-family:arial, helvetica, sans-serif;font-size:16px;"> To verify that no signal can trigger it, you may want to (temporarily) use a small lamp in place of R2, and drive the amp to maximum power with bass-heavy material. A speaker does not need to be connected. If the lamp flashes, your amp would have been damaged. If this occurs, you may want to increase the value of C1.</span></span><span style="color:rgb(0,0,0);font-family:arial, helvetica, sans-serif;font-size:16px;"> Note that bipolar electrolytics should </span><i>never</i><span style="color:rgb(0,0,0);font-family:arial, helvetica, sans-serif;font-size:16px;"> be used for C1, because they can dry out and lose capacitance as they age. This could cause the circuit to false-trigger.</span></strong></p>
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Bože,daj svakome pameti - ni mene ne zaboravi...