Smp-2 stereo microphone preamplifier owner ’s manual rev. 1.
Introduction thank you!... For choosing the smp-2 twin channel microphone preamplifier. This microphone preamplifiers use the best available parts with the shortest, cleanest, signal path possible. The preamplifier features an all-tube circuit in the audio path, zero negative feedback, and mosfet ba...
General notes location & ventilation the smp-2 microphone preamplifier must be installed in a stable location with ample ventilation. It is recommended, if this unit is rack mounted, that you allow enough clearance on the top and bottom of the preamp such that a constant flow of air can flow through...
Connect the umbilical cable from the external psu to the main unit following this scheme: on front of psu, connect the red shrink cable male connector to the red dotted front panel female connector, and the other cable connector to the adjacent panel connector, like in the picture below: then connec...
Gently lock all mating connectors on both psu and main unit. When you are sure that all the cables are connected and secured to the respective devices, you can turn on the unit. Audio connections the microphone cables should be connected to the female xlr connectors on the rear panel of the unit, fo...
Operation switching on allow this unit a few minutes for the tubes to warm up before use. It is not recommended that you leave your preamplifier permanently switched on. This only wastes electricity and tube life. Your preamplifier has solid state rectification and will reach peak operating conditio...
Rear panel fuse holder in case, replace with “slow-blow” (time lag) 5x20mm cartridge fuses, with the following ratings based on your mains voltage. 100-120v - 4at 220-240v - 2at specifications vacuum tubes (per channel): 2x 12bz7, 2x 6414 frequency response: 20hz – 20khz (±1db) signal to noise ratio...
Warranty qes labs warrants this product to be free of defective parts and workmanship for a period of one year from the date of original purchase, except vacuum tubes and light bulbes (60 days). This warranty excludes the following conditions: normal wear and tear, misuse, customer negligence, accid...
Declaration of conformity i declare that the model “smp-2” conforms to the following standards adopted by the european community: emc (electro magnetic compatibility) 89/336/cee directive, lv (low voltage equipment) 73/23/cee directive on electrical safety (en61010) and electromagnetic compatibility...
