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1-940-592-3400

X-CS Classic

SKU:
$79.00
79 109 $79.00 - $109.00
Unavailable
per item

With the success the X-LS design there was a strong demand for a matching center channel version. So the X-CS was created, and is now made available as a kit. The original design was released through AV123. 


The X-CS uses a pair of 16 ohm woofers in parallel to maintain an easy to drive 8 ohm impedance. This also brings the sensitivity up to 90db. The frequency response of the original samples were as good as +/-1db. So these speakers offer a very smooth and accurate response that is well above the industry standard. The tweeter is the same soft dome tweeter that is used in the X-LS Classic. The crossover is fully assembled with good quality air core inductors, polypropylene capacitors, and wire wound non-inductive resistors. Also included is a high quality OFC wire in polyethylene, binding post cup, solder, screws, and heat shrink. 


The X-CS Classic is a sealed box design and can be placed into entertainment systems or near the front wall. 


The X-CS Classic can also be built into a larger optimal ported box and used as left and right main speakers. This version was originally released as the X-MTM Classic. 


The X-MTM Classic version is a rear ported design that extends the -3db down point to 40Hz. 


So to build a pair of the X-MTM Classics just order a pair of the X-CS Classic kits with the X-MTM option. The X-MTM option adds additional wiring needed for the longer runs, two 2" ports, and a set of Brass floor spikes. The X-MTM option is an additional $25 per speaker. 


The X-CS Classic and X-MTM Classic is an incredible combination that delivers great sound with good sensitivity levels and an impedance load that any home theater receiver will have no problems driving.  


See the 

X-CS Classic cabinet plans here.


See the X-MTM Classic cabinet plans here. 


See measured frequency response showing +/-1db response. 

Here is that same response curve on an industry standard 10db scale. 

This chart shows individual driver responses and the crossover point. 

Here a very clean spectral decay can be seen. 

And here is the impedance curve pf the sealed box X-CS version. 


These are priced at $79 per speaker. They are priced individually because they are used as single center channel speakers. If you need a pair of them please order two units. 

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​©Copyright 2018 GR Research, Inc.
GR Research Inc.  1716 Texowa Rd.  Iowa Park, TX 76367 USA  Tel 1-940-592-3400
  • Home
  • Products
    • DIY Loudspeaker Kits
      • AV Series
        • A/V-1
        • A/V-1C
        • A/V-1RS
        • A/V-O
        • A/V-2
        • A/V-3S
        • A/V-3
      • LGK Series
        • LGK 1.0
        • Flat 5
        • Skinny 6
      • X-Series
        • X-LS Encore
        • X-MTM Encore
        • X-CS Encore
        • X-Statik
        • X-Omni
        • X-Voce
      • NX-Series
        • NX-Studio
        • NX-Otica
        • NX-Treme
    • DIY Subwooofer Kits
      • Servo Sub Kit 1
      • Servo Sub Kit 2
      • Servo Sub Kit 3
      • Servo Sub Kit 4
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        • RP-600M
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        • RP-504C
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