Constellation audio Orion Owner's Manual
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Constellation audio Orion Owner's Manual

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  • Page 2 CAUTION To reduce risk of electric shock, do not remove any of the phono preamplifier’s cover plates or screws. There are no user serviceable parts inside. Contact qualified service personnel. WARNING To reduce risk of fire or electric shock, do not expose this preamplifier to moisture, rain, or excessive humidity.

  • Page 3: Table Of Contents

    We wanted it to not only be the best phono preamp ever made, but also to be exceptionally versatile and convenient to use. We designed the Orion to bring you a higher level of sound quality and musicality than you have ever before experienced.

  • Page 4: Before You Install The Orion

    The supplied cables are spiral-wrapped, gold-plated copper designed for aerospace use, and can handle up to 30 amps. Connect one of the supplied cables to the Analog Left power socket on the Orion, then into the Analog Left power socket on the power supply as shown above. Repeat with the Analog Right and Control power connections.

  • Page 5: Installation Notes

    Make sure that the Orion will not be exposed to moisture. Do not locate it in an area where it might be spilled on, and do not place it in a humid location (such as an unfinished basement).

  • Page 6: Turntable And Preamp Connections

    1. XLR MC inputs The two XLR inputs farthest to each side of the back panel of the Orion are for use with MC cartridges. As you are looking at the rear panel, the left XLR inputs are for the right channel, the right inputs are for the left channel.

  • Page 7: Rca Inputs

    IMPORTANT NOTE: To preserve true dual-mono operation, the Orion uses a symmetrical circuit layout. This configuration requires that the Orion’s back panel connections be laid out a little differently from those on most preamps. For example, the left-channel connection for MC-2 is at the far right side of the back panel, and the right-channel connection is at the far left side.

  • Page 8: Xlr Outputs

    Be sure to match the output to the correct channel on your preamp. As you are looking at the back of the Orion, the output on the left side is for the right channel, the output on the right is for the left channel.
  • Page 9 7. Chassis ground The chassis ground terminal is one of two ground terminals provided on the Orion. Two separate grounds provide more grounding options and will allow you to reduce hum to an absolute minimum. Typically the chassis ground will be connected to the ground terminal on the turntable or the motor, while the other ground terminal (signal ground) will be connected to the tonearm.

  • Page 10: Other Connections On The Orion

    Other connections on the Orion 9. Power inputs These inputs connect to the power outputs of the Orion’s separate power supply. The Orion power supply includes permanently attached, spiral-wrapped, gold-plated copper cables designed for aerospace use. Each cable is rated to handle 30 amps.
  • Page 11 These outputs work with the supplied cables that connect the power outputs of the power supply to the power inputs of the main chassis. Included with each Orion are supplied special spiral-wrapped, gold-plated copper cables designed for aerospace use. Each of these cables is rated to handle 30 amps.

  • Page 12: Controls / Displays / Indicators

    17. Standby/power Push this button to turn the Orion on and off. When you turn the unit on, it will take a few seconds for the power supply and preamp to warm up. When the Orion is ready for use, its LCD screen will illuminate. Press the mute button on the Orion to activate the sound.

  • Page 13: Rear Panel Controls

    Press this button to silence the audio temporarily, such as when you’re lowering the tonearm onto a record. Because the Orion uses a relay to perform the Mute function, it may take a second or so for this control to respond.

  • Page 14: Remote Control

    22. Standby/power Push this to turn the Orion on and off. When you turn the unit on, it will take a few seconds for the power supply and preamp to warm up. When the preamp is ready for use, its LCD screen will show the most recently selected input.
  • Page 15 27. Input Press this button to select among the Orion’s XLR and RCA inputs. You will have to wait a second or so between pushes of this button, because for best sound quality the Orion uses relays to switch inputs.

  • Page 16: Control Screens

    Control screens Many Orion functions are controlled through the LCD touchscreen. Here is how the control screens function. Standby screen Touch the power button to turn the power on. If the power is off, touching the darkened screen will call up the Standby screen.
  • Page 17 To set high or low gain: Press either the High Gain or Low Gain button. The current mode is indicated by a darkened button. We recommend you set this by ear, so that the Orion has a similar output level to your other source devices. If the level is too low, select High Gain.
  • Page 18 EQ is relatively subtle and you won’t do great sonic harm no matter what the setting. The Orion allows adjustment of the high-frequency (HF) curve above 10 kHz and the low-frequency (LF) curve below 50 Hz. To choose a curve, press the button on the touchscreen, or use the volume up/down buttons on the remote to scroll among the different choices.
  • Page 19 STEP 2: To turn on the Orion from the front panel, push the Standby button in the middle under the LCD touchscreen. You may also tap the touchscreen to “wake it up,” then push the onscreen Power button.

  • Page 20: Maintenance

    F. Flip the master power switch off and on again. This will reset the Orion's internal circuit breaker. G. Check the circuit breaker for the AC circuit that the Orion is plugged into. If the breaker is tripped, flip it back on. If it will not turn on, there is likely a short circuit somewhere in the lines or in a device connected to this AC circuit.

  • Page 21: For More Information

    Orion (which is on the right side, as you're looking at the back panel), and the right channel to the right input (which is on the left side). On the back of the Orion, the left and right inputs are NOT next to each other.

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