Premium tubes set – 7 Trouble-shooting guide– 7 TECH N I CAL DATA Type: stereo vacuum tube mono power amplifier Model: Mira Ceti MONO Power amplifier, Evolution line Max output power: 1x15W Circuit type: PSE Paralell Single Ended Output impedance: 4Ω/8Ω...
- Never turn on the amplifeir without installed tubes and without hooked-up spekers. - Never place the Fezz Audio Mira Ceti MONO power amplifier near heat sources, such as radiators, heaters or direct sunlight. Ensure adequate ventilation and airflow - We also warn against exposure of the amplifier to conditions such as very low temperatures and/or high humidity.
VAC U U M T U B E S I N S TA L L AT I O N Place the amplifier on a stable surface. Carefully remove the vacuum tubes from their packaging and install them in the appropriate sockets, as show below, and adhering to the numbering scheme as identified on the packaging. The pins in the base of each of the vacuum tubes are “coded”, and this has the result that the insertion of the vacuum tube into the socket is possible only in one correct and appropriate orientation.
S T E P 2 AU D I O S I G N A L S O U R C E S C O N N ECT I O N S Connect the line preamplifier or variable output to the input source in the Mira Ceti 300B power amplifier (1). In order to achieve the highest sound quality, use only high-quality RCA cables.
Make sure that all of your wiring is connected in accordance with the information as provided above on page 5 of this manual. Turn on the mains power of the Mira Ceti 300B mono power amplifier – the vacuum tubes shall begin to glow. Make sure that the sound source is turned on, playing, and then gradually increase the volume level in your preamplifier.
Switch GND signal to ON or OFF postion adapticed preamp hum from both with index 4 at page no. 5. speakers appeared If you have verified the aforementioned situations, and your problem still persists, please contact your local Fezz Audio dealer.-...
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