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	<title>30W Stereo power amplifier Archives - Amplifier Circuit Design</title>
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		<title>30W Stereo power amplifier based TDA 1521</title>
		<link>https://amplifiercircuit.net/30w-stereo-power-amplifier-based-tda-1521.html</link>
					<comments>https://amplifiercircuit.net/30w-stereo-power-amplifier-based-tda-1521.html#respond</comments>
		
		<dc:creator><![CDATA[Amplifier Circuit]]></dc:creator>
		<pubDate>Tue, 06 Mar 2012 00:29:52 +0000</pubDate>
				<category><![CDATA[Audio Amplifier]]></category>
		<category><![CDATA[30 watt audio amplifier circuit]]></category>
		<category><![CDATA[30W Stereo power amplifier]]></category>
		<category><![CDATA[active speaker amplifier]]></category>
		<category><![CDATA[power amplifier based TDA 1521]]></category>
		<category><![CDATA[TDA1521]]></category>
		<category><![CDATA[true Hi-Fi amplifier]]></category>
		<guid isPermaLink="false">http://amplifiercircuit.net/?p=1297</guid>

					<description><![CDATA[<p>It is small and compact stereo amplifier is powerful but can easily be used to replace your broken amplifier or new construction, or to make an active speaker, in all cases combined with a preamplifier. With remarkable features make it the true Hi-Fi amplifier. Using only active component (the right and left&#160;[&#8230;]</p>
<p>The post <a href="https://amplifiercircuit.net/30w-stereo-power-amplifier-based-tda-1521.html">30W Stereo power amplifier based TDA 1521</a> appeared first on <a href="https://amplifiercircuit.net">Amplifier Circuit Design</a>.</p>
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										<content:encoded><![CDATA[<p><a href="http://amplifiercircuit.net/30w-stereo-power-amplifier-based-tda-1521.html/30w-stereo-amplifier-circuit" rel="attachment wp-att-1299"><img data-recalc-dims="1" fetchpriority="high" decoding="async" data-attachment-id="1299" data-permalink="https://amplifiercircuit.net/30w-stereo-power-amplifier-based-tda-1521.html/30w-stereo-amplifier-circuit" data-orig-file="https://i0.wp.com/amplifiercircuit.net/wp-content/uploads/2012/03/30w-stereo-amplifier-circuit.jpg?fit=676%2C392&amp;ssl=1" data-orig-size="676,392" data-comments-opened="1" data-image-meta="{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;}" data-image-title="30w stereo amplifier circuit" data-image-description="&lt;p&gt;This circuit using only active component (the right and left channel) Philips TDA1521 monolithic integrated circuit, which contains a double line-end audio amplifier completely independent, each capable of providing from 10 to 12 W to the load 8 ohm or 15 W into 4 ohms (30 W music). Voltage gains of the amplifier is fixed at 30 dB.&lt;/p&gt;
" data-image-caption="" data-large-file="https://i0.wp.com/amplifiercircuit.net/wp-content/uploads/2012/03/30w-stereo-amplifier-circuit.jpg?resize=630%2C380&amp;ssl=1" class="aligncenter size-medium wp-image-1299" title="30w stereo amplifier circuit" src="https://i0.wp.com/amplifiercircuit.net/wp-content/uploads/2012/03/30w-stereo-amplifier-circuit-300x173.jpg?resize=300%2C173" alt="30w stereo amplifier circuit" width="300" height="173" srcset="https://i0.wp.com/amplifiercircuit.net/wp-content/uploads/2012/03/30w-stereo-amplifier-circuit.jpg?resize=300%2C173&amp;ssl=1 300w, https://i0.wp.com/amplifiercircuit.net/wp-content/uploads/2012/03/30w-stereo-amplifier-circuit.jpg?w=676&amp;ssl=1 676w" sizes="(max-width: 300px) 100vw, 300px" /></a>It is small and compact stereo amplifier is powerful but can easily be used to replace your broken amplifier or new construction, or to make an active speaker, in all cases combined with a preamplifier. With remarkable features make it the true Hi-Fi amplifier.</p>
<p><span id="more-1297"></span>Using only active component (the right and left channel) Philips TDA1521 monolithic integrated circuit, which contains a double line-end audio amplifier completely independent, each capable of providing from 10 to 12 W to the load 8 ohm or 15 W into 4 ohms (30 W music). Voltage gains of the amplifier is fixed at 30 dB.</p>
<p><strong>SPECIFICATIONS</strong> :<br />
&#8211; Power supply: 12 V symmetrical dual voltage<br />
&#8211; Maximum Power Output RMS: 2 x 15W / 4 ohms, 2 x 10 W / 8 ohms<br />
&#8211; Maximum power output music: 2 x 30 W / 4 ohms<br />
&#8211; Harmonic Distortion: 0.007% (1 W / 1 kHz)<br />
&#8211; Input sensitivity: 300 mV / 20 kOhms<br />
&#8211; Frequency: 7 Hz to 60 kHz (-3 dB)<br />
&#8211; 70 dB for each channel<br />
&#8211; Output power (R = 8 ohms): 2 x 10 W RMS<br />
&#8211; Output power (R = 4 ohms): 2 x 15 W RMS<br />
&#8211; Bandwidth (-3 dB): 7 to 60 000 Hz<br />
&#8211; Sensitivity to maximum power (8 ohms): 290 mVrms<br />
&#8211; Sensitivity to maximum power (4 ohms): 250 mVrms<br />
&#8211; Input impedance: 20 kilohms<br />
&#8211; S / N Ratio: 98 dB<br />
&#8211; Crosstalk: -70 dB<br />
&#8211; High quality stereo amplifier<br />
&#8211; Low noise<br />
&#8211; Protection against overload</p>
<p><strong>Parts list :</strong><br />
R1 &#8230;. 8.2 Ω 1/4 W<br />
R2 &#8230;. 8.2 Ω 1/4 W<br />
C1 &#8230;. 22 nF ceramic<br />
C2 &#8230;. 22 nF ceramic<br />
C3 &#8230;. 100 nF multilayer<br />
C4 &#8230;. 1 uF 63 V Polyester<br />
C5 &#8230;. 1 uF 63 V Polyester<br />
C6 &#8230;. 4700 uF 25 V electrolytic<br />
C7 &#8230;. 4700 uF 25 Vélectrolytique<br />
D1 &#8230;. 1N5404<br />
D2 &#8230;. 1N5404<br />
D3 &#8230;. 1N5404<br />
D4 &#8230;. 1N5404<br />
U1 &#8230;. TDA1521<br />
<strong>Miscellaneous :</strong><br />
1 &#8230;&#8230; heatsink (Rth less than 3.3 ° C / W)<br />
2 &#8230;&#8230; 3MA bolts 12 mm Unless otherwise specified, all<br />
resistors are 1/4 W 5%</p>
<p>&nbsp;</p>
<p>The post <a href="https://amplifiercircuit.net/30w-stereo-power-amplifier-based-tda-1521.html">30W Stereo power amplifier based TDA 1521</a> appeared first on <a href="https://amplifiercircuit.net">Amplifier Circuit Design</a>.</p>
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