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S4 vs PDX4.150
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<blockquote data-quote="jblayz1" data-source="post: 3527171" data-attributes="member: 578806"><p>Digital Designs-</p><p></p><p>Series</p><p></p><p>S</p><p></p><p>Input Sensitivity</p><p></p><p>0.2V - 8V</p><p></p><p>Variable High Pass Filter</p><p></p><p>20 Hz - 500 Hz (200 - 5 kHz) at 24dB/Oct</p><p></p><p>Variable Low Pass Filter</p><p></p><p>50 Hz - 500 Hz (500 - 5 kHz) at 24dB/Oct</p><p></p><p>Tested Voltage</p><p></p><p>14.4V</p><p></p><p>Tested THD</p><p></p><p>1%</p><p></p><p>Power at 4 ohm</p><p></p><p>100W x 2ch + 200W x 2ch</p><p></p><p>Power at 2 ohm</p><p></p><p>150W x 2ch + 300W x 2ch</p><p></p><p>Damping Factor</p><p></p><p>&gt;550 @ 2 ohm</p><p></p><p>Power at 1 ohm</p><p></p><p>175W x 2ch + 350W x 2ch</p><p></p><p>Power at 4 ohm Mono</p><p></p><p>300W x 1ch + 600W x 1ch</p><p></p><p>Power at 3 ohm Mono</p><p></p><p>350W x 1ch + 700W x 1ch</p><p></p><p>Max Dynamic Power</p><p></p><p>400W x 1ch + 800W x 1ch</p><p></p><p>Efficiency thru Output</p><p></p><p>64%</p><p></p><p>Dimensions - mm</p><p></p><p>390 L x 235 W x 53.4 H</p><p></p><p>Dimensions - inches</p><p></p><p>15.35 L x 9.25 W x 2.1 H</p><p></p><p>Signal to Noise</p><p></p><p>95 dB</p><p></p><p>Shipping Weight</p><p></p><p>16 lbs</p><p></p><p>Alpine PDX4.150</p><p></p><p>RMS Continuous Power (at 14.4V , 20 - 20 kHz )</p><p></p><p>• Per channel into 4 ohms (≤1%THD+N) 150W x 4</p><p></p><p>• Per channel into 2 ohms (≤1%THD+N) 150W x 4</p><p></p><p>• Bridged into 4 ohms (≤1%THD+N) 300W x 2</p><p></p><p>S/N Ratio (IHF A Weighted , Reference: rated power into 4 ohms) 100dBA</p><p></p><p>CEA2006 S/N Ratio (IHF A Weighted , Reference: 1W into 4 ohms) 78dBA</p><p></p><p>Input Impedance 10k ohms</p><p></p><p>Frequency Response (+0, -1dB) 20 - 20kHz</p><p></p><p>Crossover Frequency ( Variable , L . P. F / H.P.F / OFF Selectable)</p><p></p><p>• 1/2 ch 30 - 400 Hz (-12 dB / oct)</p><p></p><p>• 3/4 ch 30 - 400 Hz (-12 dB / oct)</p><p></p><p>Input Sensitivity (V / at 10k ohms) 0.2 - 4.0V</p><p></p><p>Dimensions • Width 257mm (10-1/8”)</p><p></p><p>• Height 62mm (2-7/16”)</p><p></p><p>• Depth 192mm (7-9/16”)</p><p></p><p>Weight 3.11kg</p><p></p><p>these are for a front stage. opinions?</p></blockquote><p></p>
[QUOTE="jblayz1, post: 3527171, member: 578806"] Digital Designs- Series S Input Sensitivity 0.2V - 8V Variable High Pass Filter 20 Hz - 500 Hz (200 - 5 kHz) at 24dB/Oct Variable Low Pass Filter 50 Hz - 500 Hz (500 - 5 kHz) at 24dB/Oct Tested Voltage 14.4V Tested THD 1% Power at 4 ohm 100W x 2ch + 200W x 2ch Power at 2 ohm 150W x 2ch + 300W x 2ch Damping Factor >550 @ 2 ohm Power at 1 ohm 175W x 2ch + 350W x 2ch Power at 4 ohm Mono 300W x 1ch + 600W x 1ch Power at 3 ohm Mono 350W x 1ch + 700W x 1ch Max Dynamic Power 400W x 1ch + 800W x 1ch Efficiency thru Output 64% Dimensions - mm 390 L x 235 W x 53.4 H Dimensions - inches 15.35 L x 9.25 W x 2.1 H Signal to Noise 95 dB Shipping Weight 16 lbs Alpine PDX4.150 RMS Continuous Power (at 14.4V , 20 - 20 kHz ) • Per channel into 4 ohms (≤1%THD+N) 150W x 4 • Per channel into 2 ohms (≤1%THD+N) 150W x 4 • Bridged into 4 ohms (≤1%THD+N) 300W x 2 S/N Ratio (IHF A Weighted , Reference: rated power into 4 ohms) 100dBA CEA2006 S/N Ratio (IHF A Weighted , Reference: 1W into 4 ohms) 78dBA Input Impedance 10k ohms Frequency Response (+0, -1dB) 20 - 20kHz Crossover Frequency ( Variable , L . P. F / H.P.F / OFF Selectable) • 1/2 ch 30 - 400 Hz (-12 dB / oct) • 3/4 ch 30 - 400 Hz (-12 dB / oct) Input Sensitivity (V / at 10k ohms) 0.2 - 4.0V Dimensions • Width 257mm (10-1/8”) • Height 62mm (2-7/16”) • Depth 192mm (7-9/16”) Weight 3.11kg these are for a front stage. opinions? [/QUOTE]
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