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  • Sony SAWM40 Home Theater Subwoofer (Discontinued by Manufacturer)
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Sony SAWM40 Home Theater Subwoofer (Discontinued by Manufacturer)

by Sony
10 customer reviews

Currently unavailable.
We don't know when or if this item will be back in stock.
  • Subwoofer with advanced SAW bass reflex design
  • Built-in amplifier with 120 watts into 8 ohms from 20 - 200 Hz at 0.8% THD
  • 12-inch long-throw driver
  • Line-level and speaker-level inputs
  • Auto power on/off
Currently unavailable. We don't know when or if this item will be back in stock.

Product Specifications

Brand NameSony

Technical Details

  • Brand Name: Sony
  • Model Number: SAWM40

Product Details

Product Manual [145kb PDF]
  • Product Dimensions: 16.5 x 14.2 x 16.9 inches ; 39.7 pounds
  • Shipping Weight: 42.7 pounds
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B00005I9RO
  • Item model number: SAWM40
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (10 customer reviews)
  • Amazon Best Sellers Rank: #291,560 in Electronics (See Top 100 in Electronics)
  • Product Warranty: For warranty information about this product, please click here
  • Discontinued by manufacturer: Yes
  • Date first available at Amazon.com: September 4, 1973

Customer Questions & Answers

Customer Reviews

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Most Helpful Customer Reviews

20 of 20 people found the following review helpful By Ray Chung on January 10, 2002
To begin with, I got this unit or a steal...$140 brand new at an electronics store down on canal street here in NYC. I bought it to replace the small, 50-watt KLH BB-II that I had originally got because of space restrictions in my apartment. Since I got rid of the floor-standingair conditioner in the corner, I now had space for a decent 100+ watt sub, so I went looking around. I am using this sub as part of a Dolby Digital/DTS system (Sony 100-watt-per-ch reciever), with two celestion DL-6 fronts, a Polk CS 245 center, and two JBL Control 1's as rears...all of which provide excelent bass response down to around 60-75 Hz. So why did I go for such an ample sub? Why not?
To begin with, this unit is quite compact for what it contains. A 120-watt amp with a response of 20-200Hz paired with a 12" front-firing speaker....other units of similar specs would probably be the size of one of those smaller refridgerators you had in your college dorm room. This unit tucks away rather nicely even in a small apartment, given that you make some corner space for it. Many down-firing or front-firing units this size house an 8" driver, or a 10" at best.
Controls/Inputs: Power push/push button on front. The top controls are the volume, phase reverse slide'switch, and crossover freq (50-170Hz), and the bacl of the unit houses the auto-shutoff switch, +/- stereo speaker inputs and outputs, and a single RCA jack for mono/sub in along with a single RCA send for attaching an additional unit. Kudos on the single-jack approach, as I always drove myself crazy whether or not I was doing the right thing by adding a Y splitter to the receiver's sub-out jack. Simple...one quality RCA connector cable from the receiver's sub-out to the sub's in.
Sound: This can get very subjective, as you know.
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17 of 19 people found the following review helpful By sonytoao on July 3, 2002
After doing alot of research and reading numerous reviews, I chose the SAWM40 as the subwoofer to round out my home theater speaker system. As noted by other reviewers, this sub is big (14-1/4"W x 16-7/8"H x 16-1/2"D) so you may want to contemplate where in the room you'll place it so that it isn't a visual focal point. (I placed mine behind one of my floor standing speakers so that it's not visible from the front viewing angles).
The Sony has good sound (with a 12" long-throw woofer) and dynamic range (20-170hz) but as you'll note from reviews elsewhere on the web, like audioreview, it sounds a little boomy right out the box. If you perform a simple ... modification, however, by adding more polyfill fiber, the bass tightens and you can turn down the volume (assuming your center and front speakers are large enough to handle some bass). With the mod., the sub's sound is excellent. The sub comes with additional features that other subs in its price range don't have: line level input and output, speaker level inputs and outputs, a phase switch, and signal-sensing power on/off. I don't bother using this latter feature because the sub clicks when it's powering back on and there's a slight delay before the bass reappears.
The only other caution I would provide is that you'll probably want to replace the audio cable that comes with the subwoofer. It's not that long so your placement options would be limited. I replaced mine with a Monster sub cable which is shielded and works well.
If you can afford B&W, NHT, or Velodyne speakers, then by all means lay down the cash. But if you're looking for the most bang for the buck and you don't want to spend more on your sub than you do on your mortgage, then you can't miss with this Sony.
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6 of 6 people found the following review helpful By Bill on November 11, 2013
I have been a home theater enthusiast for over 20 years. When I got "semi-serious" about HT, I had 4 kids so I was definitely under budget constraints. I bought a Sony receiver, 4 Sony speakers and the Sony SA-WM40. As years went on, I began replacing equipment a little at a time, TV's got upgraded, two A/V receiver upgrades (Most current - Pioneer SK-1222-K 1200w), surround speakers got improved to Polk Audio.

But in all my searching and listening to other subs, I have never felt the need to upgrade the SA-WM40! The base in incredible, but the biggest advantage, in my opinion, is this sub's frequency range down to 20Hz! It's remarkable how low this thing can go. And without distortion. I did pack the box with foam insulation to create tighter base, and I have the volume set at about 75% and the gain set to near zero. For my large HT room, it works out fantastic. I don't know how Sony's new model subs compare, but I can tell you that none of them go down to 20Hz.

I have several thousand dollars worth of audio/video equipment, and I'm still listening to a $140 sub! What does that tell you? It's a darn good one. And it's not going away any time soon! Highly recommended. 5 stars!
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3 of 3 people found the following review helpful By Denzel P on March 23, 2014
Even though this is an older subwoofer, it is a BEAST. It is in my dad's home theater and is great for movies, but in my opinion, shines the most in music. honestly, listening to music on this sounds like you're in a car with a good aftermarket amp and sub installed. I did the polyfill mod a few years ago and it did help. I like this sub so much that i wanted one for my room, but figured it'd be a bit much, and also they are going for more money than I'd like to spend. so I'll be picking up a sa-wm2500 at my local walmart for $98 this Friday, and based on the reviews I'm sure I'll be happy with it. I'll review that one after I log some use with it. This sub is amazing. We see no reason to remove it from our home theater.
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