MASTERSOUND M a s t e r E m o t i o n 300 B Monoblock Plus Made in Italy
Our Philosophy Our philosophy is simple: we want to produce amplifiers which stimulate the emotions for those who enjoy music. We believe that every piece of music played through our amplifiers should arouse in the listener the same emotions as the artist who composed it and the musician who interpreted it.
Mastersound story MasterSound is an Italian company which has produced, for the past 15 years, class “A”, tube amplifiers. Our most important priority is to build equipment of the highest quality. We give the highest attention to quality in our design, our components, and our construction. Each part of our amplifier has been hand built with passion and skill. Our attention to detail will guarantee years and years of trouble free listening.
Final Mono Amplifier 300 B Monoblock Plus 300 B Monoblock Plus The is a big evolution in the concept of final amplifier, all the high technology of our Top Level, the “PF100 Limited” entered in this new Power Amplifier.. The total absence of feedback makes the that is truly amazing. 300 B Monoblock Plus , with imaging 300 B Monoblock Plus Our new pre-amp section, of the , grew from our careful research.
Inside We built the 300 B Monoblock Plus model with the utmost care, using only selected materials. The adoption of the new chassis in stainless steel antimagnetic AISI 304 , has made this Final with a incredible noiseless for an amplifier in class "A". Our product passed the stricter quality tests with excellent results and is now ready to offer You many years of pleasant listening.
Tubes installation During the transportation the tubes are kept in an appropriate box and then they must be placed in the correct position (see the photo above). The 300 B tube is indicated either by letter A or B, which stand between the pins and are written on the base: that is the right place for the tube to be installed.
Rear view 1. The bias control input. 2. Holder containing a plug with incorporated fuse. 3. Three speakers connectors :one with black rings and two with red rings (8-4 ohms). 4. RCA connector for the pre-amplifier. 5. Our logo label with the serial number.
Check list To be done by the dealer: Set up the amplifier with the right impedance 4/8 ohm suitable for the speakers and select the right main line according to country. The above checks are to be made inside the monoblock and shall be carried out only by qualified staff. To be done by the Purchaser: • Place the amplifier on a solid and flat surface. • Place the tubes in their correct socket positions.
Switching on of the amplifier A red led flashing lights, which should go on when You switch on the amplifier, indicating the correct functioning. When the inner tensions have reached the correct level, while the red led light grows bright, the 300 B Monoblock Plus is ready to work. Only after the amplifier be pre-heated for at least thirty minutes, will it reach the ideal temperature so as to get the best results in listening.
Maintenance of the amplifier Avoid extremely hot locations such as near radiators, stove or other heating units. Use gently a wet and soft cloth (buckskin) to clean Your amplifier and dry immediately. Never clean Your amplifier when hot or running. Do not forget to take out the plugs before starting to clean the amplifier.
Specifications • Final mono tube amplifier • Parallel Single Ended in Classe “A” • Chassis in stailless steel AISI 304 antimagnetic • 2 pair select out tubes 300 B EH Gold Grid • 2 pair select driver tubes 6SN7 EH • Power output 30 Watts /Channel • Input sensitivity 1 Volt • Input impedance 100 K Ohm • Load impedance 4 - 8 Ohm • Output transformer Mastersound • Negative feedback “non-existent” 0 db • Frequency 1 Hz / 100 Khz – 0 db • Dimensions 43 x 33 x 24.5 cm.
Warranty Your 300 B Monoblock Plus , except the tubes, comes with a five years limited warranty covering defects in material and craftsmanship. During the warranty period, repairs are provided free of charge. Transportation costs and from the repair provider has to be paid by the owner. This warranty is void when: • the serial numbers have been removed • the screws fixed to the underside, have been removed • other kind of tubes different from the original have been used.
