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Summary of Contents for ZT Lunchbox Acoustic LBA1
- Page 1 Owner’s Manual ZT Amplifiers LBA1...
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Page 2: Important Safety Instructions
Refer all servicing to qualified service personnel. For service routed so that they are not likely to be walked upon or pinched by items warranty information call the ZT Amplifiers service number: placed upon or against them, paying attention to cords and plugs, 1-510-704-1868. -
Page 3: Channel Level
Send / DI Return Input headphone/ line out / Line Acoustic / Vocal Amplifier LBA1 Voltage Turns power ZT Amplifiers, Inc. Berkeley, CA 94710 on and off Selects amplifier This device complies with Part 15 of the FCC Rules. Operation is subject to the following two... -
Page 4: Design Philosophy
ZT products are the result of many years of study into the sound, feel and science of the world’s best musical instrument amplifiers. Our goal was not to clone or “model” any particular product. -
Page 5: The Signal Path
Following the analog input preamps, the signals are converted to 24-bit PCM digital at a 44.1 KHz sampling rate. In the digital domain, ZT’s proprietary dynamics and EQ signal processing are implemented. Also, channel-specific TREBLE and BASS tone controls with characteristics closely following a vintage stack are applied. - Page 6 The LUNCHBOX Acoustic features separate BASS and TREBLE controls for Instrument and Microphone channels. At ZT, we don’t take these features lightly. We studied classic and modern tone controls, noting each one’s strengths and weaknesses. In the spirit of the original LUNCHBOX amp, the LUNCHBOX Acoustic provides an extraordinarily wide palette of tones using simple controls, giving you quick access to just the sound you seek.
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Page 7: Aux Input
Feedback Cut: The LUNCHBOX Acoustic’s FEEDBACK CUT feature is designed for a quick, simple elimination of feedback. The FEEDBACK CUT is a master control that affects both Microphone and Instrument channels. When FEEDBACK CUT is set to Off, the LUNCHBOX Acoustic delivers it’s normal EQ curves. - Page 8 Direct feeds are convenient, sometimes necessary, but they rarely capture the full tone the player is hearing. Like all ZT products, the LUNCHBOX Acoustic’s sound is a result of a synergistic system, and the internal speaker is an important part of that system. Getting really good recordings always involves experimentation, but here are some general tips: •...
- Page 9 • Remember, the LUNCHBOX Acoustic can be loud, and it concentrates a great deal of sound energy into a small area. Unless you are an unusually soft player, you will probably have to engage the pad on your mic. • Using a foam windscreen is also a good idea, since the driver can create bursts of air when driven very hard.
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Page 10: Specifications
Specifications Dimensions: (h) 192mm / 7.5” (w) 250mm / 9.8” (d) 196mm / 7.7” Weight: 5.4kg / 12lbs. Output: 200 watts, greater than 130dB @ 1 meter / 3.3’ Voltage: Switchable - 115V / 230V Controls: Top Panel: Dual Channel Volume, Gain, Bass, Treble, Reverb Master Volume , Feedback Cut Rear Panel: Line Out/Headphone Level, Speaker Switch Speaker: 165mm / 6.5”... -
Page 11: Technical Support
This limited warranty shall run to the original purchaser when purchased from an Authorized ZT Dealer and any transferee of a retail purchaser. This limited warranty covers normal use of the ZT product only, and does not cover damages caused by misuse, abuse, accidents, or unauthorized service or parts.
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