1 variable gm stereo vacuum tube compressor rev. 4 – aug. 9, 2017. Owner’s manual.
2 thank you for purchasing our product. We strive to provide you with a professional product, a toolbox you will use for several years with satisfaction. This unit has been carefully handcrafted by val in italy, choosing the finest components available, aiming for your complete satisfaction. It is o...
3 location and ventilation the variable gm compressor must be installed in a stable location with ample ventilation. It is strongly recommended, when rackmounting this unit, that you allow enough clearance on the top and bottom of the unit such that a constant air flow is allowed. The unit is cooled...
4 connect both the iec mains power cords to psu and main unit, then the umbilical cable from the psu, which should be installed on the floor, as far wawy as possible from the rack mounted main unit. The umbilical cable sockets are 4-prong for the heater supply, and 5-prong for the anode supply, and ...
5 2. Functions from left to right, the first stage of the variable gm is the remote cut-off preamp. The available controls are: a) input it is a continuously variable pad which levels the incoming audio signal from the input xlr connector located at the back panel. In conjunction with the output con...
6 - 4 – release it’s an 11 position selector. Timing indications indicate the first time constant (63% of final value) of the time the compression action ceases. It is expressed in seconds. Threshold this potentiometer (or 24-step rotary switch for the mastering version) indicates at which level the...
7 3. Measurements noise floor.
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11 technical specifications: frequency response (+0/-0.5db): channel out (14 db gain): 10 hz – 20 khz 5 hz – 40 khz (-3 db) signal to noise ratio (unweighted,50Ω source z, 10kohm load, ref. +24dbu): greater or equal to 98db, 20hz-20khz common mode rejection ratio (c.M.R.R.) ref. 1khz, 14db gain: 70d...
12 declaration of conformity i declare that the model “variable gm” 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 compa...
13 warranty qes labs warrants this product to be free of defective parts and workmanship for a period of 1 (one) year from the date of original purchase, except for vacuum tubes (60 days). This warranty excludes the following conditions: normal wear and tear, misuse, customer negligence, accidental ...
14 recall sheet session:___________________________________________________ song: ___________________________________________________ production:________________________________________________ artist: ____________________________________________________ album: ______________________________________...
