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<blockquote data-quote="Harry Wild" data-source="post: 4948656" data-attributes="member: 599382">Here is the specs for the Alpine pdx-5 shown below:5/3 Channel amplifier75 watts RMS x 4 + 300 watts RMS x 1 at 4 or 2 ohms150 watts RMS x 2 + 300 watts RMS x 1 in bridged mode (4-ohm stable in bridged mode)Variable high- and low-pass filters (30-400 Hz, 12 dB/octave)Alpine Class-D amplifier designStackable installation design with front-panel controlsQuick-connect speaker connectorsPreamp-level inputsMOSFET power and output stagesFuse rating: 20A x 2B5 Size:10-3/16&quot;W x 2-1/2&quot;H x 8-7/8&quot;D**********************************************************************************************8Is the amp&#039;s RMS to weak for Hertz HSK 165, rms is 125 watt 6.5&quot; Speakers?I am looking at the Phoenix Gold RSd 65cs&nbsp; RMS 606-1/2&quot; Radial Sd Series 2-way Component System RSd65cs too!Or how about the Alpine SPX-17REF(RMS 75) or SPX-17PRO(RMS)100Or Polk Audio MM6501(RMS 100)Any other component you can suggest?I look at cost/benefit of the component and sound quality!!</blockquote>

[QUOTE="Harry Wild, post: 4948656, member: 599382"] Here is the specs for the Alpine pdx-5 shown below: 5/3 Channel amplifier 75 watts RMS x 4 + 300 watts RMS x 1 at 4 or 2 ohms 150 watts RMS x 2 + 300 watts RMS x 1 in bridged mode (4-ohm stable in bridged mode) Variable high- and low-pass filters (30-400 Hz, 12 dB/octave) Alpine Class-D amplifier design Stackable installation design with front-panel controls Quick-connect speaker connectors Preamp-level inputs MOSFET power and output stages Fuse rating: 20A x 2 B5 Size:10-3/16"W x 2-1/2"H x 8-7/8"D **********************************************************************************************8 Is the amp's RMS to weak for Hertz HSK 165, rms is 125 watt 6.5" Speakers? I am looking at the Phoenix Gold RSd 65cs RMS 60 6-1/2" Radial Sd Series 2-way Component System RSd65cs too! Or how about the Alpine SPX-17REF(RMS 75) or SPX-17PRO(RMS)100 Or Polk Audio MM6501(RMS 100) Any other component you can suggest? I look at cost/benefit of the component and sound quality!! [/QUOTE]

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