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Radio Broadcast Technical Consulting and Sales
 
10032 Island Drive, Brainerd, MN  56401
218-829-1326

  Zercom Broadcast Products

Note:  A limited quantity of new units are available at this time.


GAIN BOX:

Zercom Gain Box

Stereo active balanced input and output, this amplifier is used to boost consumer level devices like CD players to line level.  The unit will work as a program amplifier or a DC amplifier as well.  The Gain Box can be mounted to a flat surface, using the built-in mounting tabs.  One or two can mount on a single-unit rack plate.  

Specifications:
Gain:  -6 to +20 DB or +14 to +40 DB set by internal gain option.
Signal to Noise Ratio:  100 DB
Harmonic Distortion:  Less than 0.10% THD
Intermodulation Distortion:  Less than 0.10%
Frequency Response:  +/- 0.25 DB from DC to 20 KHz
Channel Separation:  75 DB
Maximum Output:  +22 DBM into 600 Ohms Active Balanced.  
                            +16 DBM into 600 Ohms Unbalanced.
Input Impedance:  66 K Ohms Active Balanced.  
                          33K ohms Unbalanced
Power:  120 VAC 50/60 Hz or 240 VAC 50/60 Hz 10 Watts.  
            Units come factory configured for 120 VAC with a standard three wire power cord. 
Physical Dimensions:   8-1/2 inches long, 5 inches deep, and 1-5/8 inches high.

You can modify the Gain Box to be used as a stereo microphone preamplifier or a stereo RIAA equalized phono preamplifier.  Information is included in the instruction manual.

Warranty:

The Zercom Gain Box carries a one-year parts and labor warranty.  If you get a unit and decide it is not right for your situation, you may return it for refund, minus the shipping costs, within 30 days of purchase.  A refund assumes the unit has not been damaged or modified in any way.

$125.00 plus shipping and tax

Pre-drilled rack mount 19" x 1 3/4" black rack panels, with 6-32 mounting machine screws for Gain Boxes, are $18.00.  Specify if you want to mount one Gain Box or two.
Instruction manuals with schematics are available for $15.00 plus $2.00 shipping anywhere in the U.S.  


"As a design engineer for Zercom, I can help you understand and properly specify products."  Mark Persons

Questions?  Email Mark Persons:  teki@mwpersons.com         

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page last edited 02/22/2016