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Sophia Electric Model 91-03 Stereo Integrated 300B Tube Amplifier User’s Manual...
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6 months. Service If service is required, the unit should be returned to an authorized Sophia Electric dealer or agent. Partnering Equipment The amplifier is capable of very high resolution but, as with any audio system, will be limited by the “weakest link”...
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WARNING! The tube amplifier is heavy (About 25 kg/55 lb per stereo amplifier). To reduce the possibility of injury, seek help when it is needed. Sophia Electric cannot accept liability for injury resulting from handling of the amplifier.
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Following diagram above, first insert the 6SN7 (V5 and V6) input tubes and 5U4G/5Z3PAT rectifiers (V2 and V3) into sockets, then insert the 300B (V1 and V4) tubes into the 300B sockets. You should line up the pins of the 300B tube with the holes in the socket (The two big holes are for the two big Filament pins).
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(Showing input jacks, output binding posts, line socket) CAUTION: While it is very unlikely that damage will result if you power your amplifier up without the loudspeakers connected, SOPHIA ELECTRIC RECOMMENDS THAT YOU DO NOT POWER THE AMPLIFIER UP UNLESS LOUDSPEAKERS OF THE PROPER IMPEDANCE ARE CONNECTED TO BOTH CHANNELS.
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6) Do not do silly things with a vacuum tube amplifier, such as take amplifier for car wash. Do not use dish washer to clean tubes. Sophia Electric amplifiers have been designed with quite operation in mind. All new amplifiers shipped from Sophia Electric have been adjusted to factory specification for quietness.
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Please contact to your dealer for any questions you may have. Or Send fax/email to Sophia Electric when dealer advice is not possible. Thank you for using Sophia Electric Products. Sophia Electric, Inc. USA sales@sophiaelectric.com www.sophiaelectric.com...
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