![]() The output from the DI Box will plug into a balanced XLR input on your interface. I recommend that you try one that is made specifically for acoustic guitars.īesides acting as a pre-amp for your passive pickup - The most important thing a Direct Box will do is convert the unbalanced signal (subject to the noise you are experiencing) to a balanced signal that will cancel out or otherwise eliminate much of the electronic noise in the signal chain. But you may benefit tremendously in most applications (particularly recording) by using what is known as a DI Box (which is abbreviation for Direct Injection or Direct Input) also referred to as simply a "Direct Box". Your guitar connected to the right mixer and amplification system (PA or acoustic amp) may not require a standalone Piezo Pre-amp. The better results you have with your bass might reflect the difference between the way the signal is processed and output from a passive magnetic pickup (typical on most electric guitars and electric bass guitars) which is quite different than from a passive Piezo pickup which your acoustic guitar likely has. So the issue may be in the Tascam itself. Checking some on-line reviews of the Tascam you are using suggests that other users have experienced noise and electrical interference issues with that interface similar to what you have described. Theoretically an interface or mixer with a "guitar" level input or "Hi-Z" input should allow you to input the signal from your passive pickup with good results. This is accomplished on your interface with a switch that can switch the right input from "mic/line" to "guitar". ![]() The Tascam interface you pictured does have an input switchable to "guitar" - which is short for - high impedance input from a source such as an electric guitar or bass with passive magnetic pickups or an acoustic guitar with a passive pickup as yours seems to have. Without a pre-amp the amplifier or mixer must supply this extra boost or compensate for the higher impedance in the circuitry. The undersaddle pickup in your guitar is most likely a piezo pickup which would be a high impedance pickup which basically means the signal will have a high resistance and need an extra boost in the chain to get enough volume. I don't believe the problem is in your guitar. ![]() Nice guitar! I looked up the specs on the manufacturer's website and they suggest it is in fact a "passive" under saddle pickup which means the pickup does not have "active electronics" or a built in pre-amp and therefore would not require a battery.
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