Artemis Labs LA-1 Operating Manual
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Artemis Labs LA-1 Operating Manual

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Artemis Labs LA-1
Operating Manual

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Summary of Contents for Artemis Labs LA-1

  • Page 1 Artemis Labs LA-1 Operating Manual...

  • Page 2: Important Safety Instructions

    Important Safety Instructions 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with a dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instruc- tions.

  • Page 3: Introduction And Specifications

    Please read this entire user’s manual so that you can understand all the features and get the most from the LA-1. The Warranty is on a separate card. Read it and send it in to get full warranty coverage. SPECIFICATIONS: Maximum Gain (47K load, 1KHz): 12dB +/- 1.5dB...

  • Page 4: Front Panel

    40 seconds, will glow green. About 4 second after that a faint click will be heard, indicating the muting relay turning off. The LA-1 is now ready for use. If the power is removed, even briefly, then restored, the warm-up time delay process will start over again.

  • Page 5: Rear Panel

    Outputs 1 and 2 Inputs 1 through 5 Make sure that the Voltage Rating of your LA-1 matches the power mains voltage at your loca- tion. The voltage can be changed by internal rewiring, which can be done by Artemis Labs or by a qualified technician.
  • Page 6 Although not identical in characteristics to the 5687, the fol- lowing tubes can also be used in the LA-1: 6900, 7044, 7119, Since the LA-1 uses a soft heater turn-on and and E182CC. If you try these, listen carefully to the sound, delayed application of high voltage, tube life- and only use the types that sound the best.

  • Page 7: Technical Features

    - the worst-sound- ing ones. The Artemis Labs LA-1 uses a single 5687 High-performance stepped attenuator medium-mu, low resistance triode as the amplify- A 24-position stepped attenuator using a switch ing device for each channel.
  • Page 8 Despite the lack of a cathode-follower output stage, is hot enough to build-up a protective space charge the LA-1 can drive loads as low as 8K while still around the cathode.) This helps extend tube life. A meeting specifications. This is important when muting relay shorts the audio outputs until about driving certain solid-state amplifiers or pro audio...

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