(Not yet rated - click here to be the first)There are three main elements that ensure that a Subwoofer is truly a well-built, high-performance unit and not just another big "boom box."
1. Amplifier Board
The quality of the amplifier board inside the subwoofer is critical to its performance. A high current toroidal power supply delivers massive amounts of clean wattage, essential for tight, controlled bass. A heat sink ensures operation even through extended bass recordings. Most subwoofers below $2000 don’t use high quality boards like the ones found in the Steinman Audio Labs' SMS range which is used in this article as a comparative example.
2. Box Design
The right box can make as much as 50% difference to the performance of a subwoofer. A well-built enclosure with internal bracing and non-vibrating materials reduces standing waves and allows the driver to deliver a tight controlled bass… so you only hear the noises you want and not the rattles of a poorly built enclosure
A front-firing woofer design is far better for most environments as it doesn’t suffer from bass cancellation like down-firing designs. The double base footer design with its separate plate allows the speaker box to be isolated from the floor. This ensures and more controlled crisper bass.
The shape of the enclosure can also dramatically improve sound quality: curved box designs will reduce excessive "boom", while chamfered corners will further reduce any unwanted refraction from the baffle to your ears.
3. The Bass Driver
Large double wound voice coils allow for larger current to be passed to the speaker from the amplifier unit. This in turn provides far greater travel and control of the bass driver delivering punchy, tight bass performance.
A heavy duty pulp cone will deliver a more natural deep bass tone than injection moulded synthetic or plastic cones.
The inclusion of long excursion driver suspension ensures extended bass reinforcement when you are needing that extra "thump" from your sub.
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STEINMAN AUDIO LABS™ SUB |
COMPARISON SUB Powerboard used in simarly priced competitor models Click here for larger picture |
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1. Phase switch for best room placement 2. Banana plug or bare wire speaker connections 3. Heat sink cooling for optimum performance 4. Quality Switching 5. User changeable fuse - spare included 6. Detachable high quality power cord |
1. Low grade spring clips 2. Basic switching 3. Non-detachable low quality power cord |
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STEINMAN AUDIO LABS™ SUB |
COMPARISON SUB Powerboard used in simarly priced competitor models Click here for larger picture |
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1. Fully sealed high quality switching 2. Isolated circuitry layouts 3. Internal fuse protection 4. Oversized capacitors 5. High quality relay 6. Precision circuitry 7. Sheilding 8. Detachable high quality power cord 9. High current torroidial power supply |
1. Low quality switching 2. Average quality circuitry 3. No internal protection 4. Low current capacitors 5. Low quality relay 6. Standard transformer style power supply 7. Basic quality power cable |
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