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General| Type | Vacuum Tube Preamplifier |
|---|---|
| Output Impedance | 200 ohms Unbalanced |
| Input Impedance Unbalanced | 50K ohms |
| Voltage Gain High Level | 15dB |
| Signal to Noise Ratio Phono | 75dB |
| Tube Complement | 4 x 12AX7A |
| Frequency Response | 20Hz to 20kHz +0, -0.5dB |
| Total Harmonic Distortion | 0.08% |
| Input Impedance | 50k ohms |
| Signal to Noise Ratio | 100dB |
| High Level Inputs | 4 Unbalanced |
| Phono Inputs | 2 |
| Rated Output Voltage | 2.5V |
| Headphone Output | Yes |
| Outputs | 2 Unbalanced |
Expresses gratitude for purchasing the C8 Tube Preamplifier and encourages familiarization.
Section to record serial number and purchase date for future reference.
Directs users to a separate document for important safety information.
Warns against fire hazard and damage if foam is not removed before connecting power.
Provides numbered steps with figures for removing foam and tube shield covers.
Advises on placing the unit on a table/shelf or in custom furniture, emphasizing ventilation.
Specifies minimum clearance dimensions required around the C8 for proper cooling.
Details the functions of the left knob for input selection, Trim Mode, and Setup mode entry.
Explains the right knob's use for volume adjustment, Trim Mode navigation, and power control.
Lists and describes various input ports including Phono, Unbalanced, Balanced, RS232, IR, etc.
Lists and describes various output ports including RCA, XLR, Sub/Output 2, Data Out, and Trigger outputs.
Guides on connecting sources via RCA/phono cables to Phono and Unbalanced inputs.
Describes using XLR cables for balanced input and output connections.
Details RS232 port usage for connecting to automation controllers and required settings.
Explains connecting an external IR receiver for remote control without line-of-sight.
Describes the optional DA2 module for adding digital audio inputs, requiring professional installation.
Instructions for connecting the AC power cord to the unit and a wall outlet.
Explains how trigger outputs can automatically power other connected components.
Details how to integrate the C8 into a multichannel system as front speakers using passthru.
Describes connecting headphones, the high-drive amplification, and mute behavior.
Guides on the procedure for powering on the unit, including the tube warmup stage.
Introduces the Trim Menu for adjusting 11 different audio and display settings.
Explains specific trim functions for MM (Capacitance) and MC (Resistance) phono inputs.
Describes how to set inputs ON/OFF, rename them, and manage their visibility in the setup menu.
Explains how to set Output 2 for Stereo or Mono operation.
Details assigning triggers to follow Main, specific outputs, or input statuses.
Explains configuring data ports to send commands based on selected inputs.
Guides on establishing a passthru connection with a source unit for multichannel audio.
Allows adjustment of the RS232 baud rate for system integration.
Provides options for selecting normal or alternate IR codes to avoid conflicts.
Describes enabling or disabling the automatic power-off function after a period of inactivity.
Explains how to restore all settings to their original factory defaults.
Covers remote buttons for adjusting volume, muting audio, selecting inputs, and activating trim mode.
Describes buttons for controlling CD playback, track selection, and navigation.
Explains the button used to power the C8 on or off.
Details the magnetic back panel removal and battery replacement process.
Lists necessary packing materials and illustrates the correct method for repacking the unit.
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