NHT makes a couple of nice little sub amps that are stand-alone units with adjustable volume, crossover etc. which would make your connections really easy. Try Ebay if not here on Agon
Passive subwoofer...huh???
Ok, I am a dufus. I just bought an RBH VDS-10A passive subwoofer on eBay. I have a decent system; Threshold Forte Model 3A amp (200 wpc into 8 ohms); KEF Reference 103/4 loudspeakers; Parasound PLD-1100 preamp & Arcam Alpha 8SE CD player. Sounds fantastic, with the KEFs just a tad weak in the bass department. Didn't want a powered sub (too much like home theater, I thought), so I saw the RBH passive sub with its nifty 10" aluminum cone driver and said "Eureka." Naturally I bought it. No thinking, just bought it. Then it occurred to me; can I power it directly from my amp, or do I need a dedicated subwoofer amp??? If I drive it directly from my amp, should I run right and left channels into it (it only has one set of 5-way binding posts on the rear), or should I just run one channel?? Have I totally wasted my money?? I'm assuming the sub has an internal "crossover" to limit high frequency input, but I don't know that either. Doh!!! Help guys. -David (should be "KefKing" & not "Klipschking")
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I also recommend the Reckhorn A-401 amplifier for your subwoofer. An excellent amp with many adjustments for fine-tuning. Details at http://www.reckhorn.com |
Specs from their site: System Type: Non-powered Subwoofer Frequency Response: 30Hz-200Hz (±3dB) Sensitivity: 87dB (2.83V @ 1 Meter) Recommended Power: 100 - 200 Watts Drive Units: (1) 10" (254mm) Aluminum Cone Subwoofer Crossover Frequency: N/A Crossover: N/A Impedance: 4 Ohms Cabinet Material: Medium Density Fiberboard (MDF) Cabinet Finish: Black Oak Woodgrain Dimensions: 14-3/4" H x 14" W x 16-1/4" D (375mm H x 356mm W x 413mm D) Weight: 38lbs (17.24kg) Warranty: 5 years You need a crossover and might as well get a separate amp. |
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