Our location is :
Uruapan #17-4
Col. Roma
Mexico D.F. 06700
Mexico.
Tel. 52(55) 5514 7448
52(55) 5533 4654
52(55) 19987171
Collect 1-888-538 8605
FAX 52(55) 19987272

Is a family-owned organisation that performs research, design, and manufacture of amplifiers, preamplifiers and loudspeaker systems with total commitment to quality. The history of the family in the reproduction of sound dates back to 1926 when Jacobo Margules founded Emporio Electrico, which later became Casa Margules specialising in electronic components for radio broadcasters, radio amateurs, service technicians and students. That later became Radio Surtidora S.A. Now the oldest organisation in Mexico. The company also was involved in the sound reproduction field, when high fidelity became possible, introducing it in our country. Currently Radio Surtidora specialise in electronic measurement equipment and industrial electronic components. Tel Rad was founded in 1954 as manufacturing branch for radios, record players, gramophones, amplifiers, speakers systems, sound trucks etc. Now managed by the third generation. In its beginning assembled : Pentron decks, Paillard gramophones, Regald, Jewel and Airking radios and manufactured Marvox, our own brand of vacuum tube amplifiers and loudspeakers. For the past fourteen years it has develop its own technology, which derived in two other brands : Margules Audio, our high end line, and Magenta, the versatile entrance level.
Pure Class A, tube audio amplifier, with Active bias o Servo-controled output stage, does not require at any time bias adjustments. High precision regulated voltage in the input and inverter tubes, active damping control, bias meter, 60W/channel, can work triode or ultralinear, among other things can work either as a mono or stereo . The main design attribute is its great versatility, variable output impedance, independent gain control for each channel, precision metal film resistors, polypropylene capacitors, etc. 4 output tubes, can use 6550, KT99, KT88, KT100. We continuously strive to improve our products in search of the highest quality music reproduction. At the same time, we endeavour to achieve this goal at the best price. Our main objective is to satisfy the most demanding ear regardless of the type of music it prefers or the budget of its owner. Even our most affordable system allows you to live the magic of music