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User manual for Lewitt LCT 840 Reference Class Tube Microphone LCT-840
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- Manufacturer: Lewitt
- Basic description and contents of package
- Product classification: Pro Audio - Recording - Tube
- Safety instructions
- Startup and operation of the tube
- Tips for setting up your Lewitt
- Settings and expert assistance
- Contact Lewitt service
- Troubleshooting
- Warranty information
- Price: 999 USD
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We recommend checking out our discussion threads on the Lewitt LCT 840 Reference Class Tube Microphone LCT-840,
which address similar problems with connecting and setting up Tube Lewitt.
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User manual for the Lewitt LCT 840 Reference Class Tube Microphone LCT-840
The user manual for the Lewitt LCT 840 Reference Class Tube Microphone LCT-840 provides
necessary instructions for the proper use of the product Pro Audio - Recording - Tube.
The LCT 840 Reference Class Tube Microphone from Lewitt is a premium class externally polarized microphone for vocals and miking instruments in the studio or on stage. Equipped with a precision-engineered 1.0" capsule, the LCT 840 delivers a classic vintage sound. This multi-purpose microphone offers versatility, letting you choose between five different polar patterns - cardioid, omnidirectional, figure 8, wide cardioid, and supercardioid. This unit has a low self-noise of 9 dB and rejection of off-axis sounds. The microphone's PSU power supply unit offers three levels of attenuation and three switchable high-pass filters, indicators and push buttons for noiseless handling. The microphone and the PSU unit are connected via an included 26' 11-pin XLR cable.
The LCT 840 is equipped with a plexiglass inspection window on the front of the body that fully exposes the illuminated tube. The inside window surface is coated with a highly conductive, yet transparent film preventing electromagnetic interference.
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If you own a Lewitt tube and have a user manual in electronic form,
you can upload it to this website using the link on the right side of the screen.
You can upload and download the manual for the Lewitt LCT 840 Reference Class Tube Microphone LCT-840 in the following formats:
- *.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
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Additional parameters of the Lewitt LCT 840 Reference Class Tube Microphone LCT-840:
| Operating Principle | Pressure Gradient | | Diaphragm | 1.0" (25.40 mm) | | Tube | Yes | | Polar Pattern | Cardioid, Figure 8, Omnidirectional, Supercardioid, Wide-Angle Cardioid | | Frequency Range | 20 Hz to 20 kHz | | Signal to Noise Ratio | 85 dB A-Weighted | | Equivalent Noise Level | Cardioid: 9 dB A-Weighted
Omnidirectional: 10 dB A-Weighted
Figure 8: 9 dB A-Weighted | | Maximum SPL | 139 dB SPL 0.5%
149 dB SPL 0.5% with 10 dB Pad Engaged
159 dB SPL 0.5% with 20 dB Pad Engaged | | Impedance | 200 ohms | | Load Impedance | 1 kOhms | | Sensitivity | Cardioid: -33 dBV
Omnidirectional: -34 dBV
Figure 8: -33 dBV | | Low-Cut Filter | Yes, 12 dB/Octave @ 40 Hz
Yes, 6 dB/Octave @ 300 Hz | | Pad | Yes, 10 dB
Yes, 20 dB | | Output Connectors | 11-pin XLR | | Operating Current Consumption | 170 mA | | Dynamic Range | 130 dB A-Weighted | | Length | 7.56" (192 mm) | | Diameter | 2.36" (60 mm) | | Weight | 1.46 lb (662 g) | | Package Weight | 13.8 lb | | Box Dimensions (LxWxH) | 16.7 x 14.2 x 5.9" | |
The user manual for the Lewitt LCT 840 Reference Class Tube Microphone LCT-840 can be downloaded in .pdf
format if it did not come with your new tube, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other Lewitt users keep a unique electronic library
for Lewitt tubes,
where you can use our link to download the user manual for the Lewitt LCT 840 Reference Class Tube Microphone LCT-840.
The user manual lists all of the functions of the Lewitt LCT 840 Reference Class Tube Microphone LCT-840,
all the basic and advanced features and tells you how to use the tube.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from Lewitt service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the Lewitt LCT 840 Reference Class Tube Microphone LCT-840. User manuals are also
available on the Lewitt website under Pro Audio - Recording - Tube.
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