![]() Sound-wise, it's kind of like having fancy tone controls on your car stereo but you turn it on only to realize that your 3-year-old has completely skewed the knobs to crazy new settings. ![]() But when it's unintentional and uncontrollable, it can make for rather odd sound - that brittle, raspy, all highs and no lows sound that makes you think you have a bad pickup. Now, a controllable filter can be useful (see our FAQ on amp features for details on notch filters and low-pass filters). The reason that this happens - without getting too technical - is because a "non-optimal" resistance load creates a sort of unintentional (and usually undesired) filtering effect which may decrease the level of certain orders of frequencies. If the loading (amount of resistance) is not optimal for the type of pickup, problems result. Why? Put simply, when you plug your pickup into an amplifier, it becomes part of one big cooperative circuit. ![]() essentially, completely out of whack, and sounding like you need to do a lot of EQ correction to even make it sound passably good. That same pickup and amp, with the "wrong" level of buffering, can sound "quacky" or thin. The level of resistance (called input impedance) can radically change how a pickup sounds when a pickup is well-paired to its preamp or amp, the result can sound full-bodied, natural, and open. The "buffer" I speak of is related to electrical resistance, which is (in layman's terms) the degree in which the amplifier's circuit "resists" the pickup signal. But this buffer could already be built into the amp, if you choose that amp wisely, which may negate the need for an "extra" preamplifier or effects unit. ![]() It can do this by boosting their gain levels, allowing for changes to the sound (using equalizers, etc.) - and, in the case of the specific type of pickup (piezo-electric) in the bass, creating an ideal " buffer" (a sort of electronic "liaison") between the instrument and amplifier. The amp reverses that process, turning those impulses back into vibrations on the speaker of the amp, which makes sound waves and projects them into the room.Ī preamp can further "improve" those electrical signals from the pickup. That means you have a small ceramic-encased "sensor" that captures the vibrations created by the strings, turns those vibrations into electrical impulses, and sends them through the cable to an amp. If you are like most of us, you are using a piezo-electronic transducer for a pickup. It depends on several factors.īefore you decide, though, do you already have an amp that you intend to use with your bass? If you are in the market for an amp, you can make some choices while shopping that can have an impact on whether you will need a preamp. Slight variations and improvements are to be expected.You might, but you might not. Made in house in Milwaukee Wisconsin by hand. As new releases in this series come out this year we will offer upgrades exchanges and customization to keep you updated with our newest models of this series. The Omen series is bound to impress even the most discriminant bass enthusiast. There is nothing like this on the market. What this system offers you is the Natural tone of our Blueberry Pi Balanced with the power of a magnetic system. The Magnetic system conjoins at the mono full metal jack, with our modified Blueberry Pi Piezo pickup. The Omen is secured to the end of the fingerboard using industrial strength Velcro. These are insulted and potted to avoid microphonics however they are a single coil pickup so some hum will be present when not producing tones. The chassis and bobbin is made of Carbon Fiber, alloy pole pieces, 44 AWG enameled copper coil wrapped 10,500 times, and Ceramic bar magnets offer excellent tone. Due to the nature of the build we are offering this factory direct exclusive. Introducing Northern Lutherie's "The Omen" Upright Bass Pickup.
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