Simon Systems Professional Audio Products (manufactured exclusively by Simon-Kaloi Engineering),

are used by many leading professionals in recording studios and live stages performances.

Simon Systems Professional Audio Products

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Four-Channel Integrated Active Transformerless Direct Box

The RDB-400 is four independent Direct Boxes in one 2U Rack Space with features and performance that set it in a class by itself. It boasts a totally active transformerless audio path. Its line level output mode allows direct insertion into tape decks, bypassing mic pre-amps and mixing consoles completely. With the variable line and attenuation trim, you can convert -10dB signals to +4dB and vice-versa. It can also be used as a pre-amp, buffer, Its rugged construction and superb performance also make it great for stage use as well.

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Four-Channel Active Transformerless Integrated Direct Box

The DB-1A is the ultimate in direct insertion capability. It utilizes state-of-the-art design techniques that cannot be found in conventional direct boxes, active or passive. The DB-1A boasts a totally active transformerless audio path with no insertion loss. The line-level output mode allows direct insertion into tape decks, bypassing mic pre-amps and mixing consoles completely. The DB-1A has incredible headroom, more than most mixing consoles!

RDB400.pdfSimon_Systems_files/RDB400.pdfhttp://livepage.apple.com/shapeimage_4_link_0

                (click for pdf brochure)

±18V Regulated DC Power Supply

The optional (but strongly recommended) PS-1 DC Regulated Power Supply (companion for the DB-1A Direct Box) provides clean, independent, low-impedance power. The PS-1's regulated ±18VDC and high current output allow the DB-1A to utilize state-of-the-art designs that are not possible with phantom powered DIs.  It can also double as a charger when the DB-1A is used with rechargeable batteries.

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Professional Audio Headphone Cue Box

The CB-4 allows up to four pairs of stereo headphones to be driven from the same audio power amplifier. Each output has its own custom-made high-quality stereo volume control. A three-position switch selects from left, right, or stereo mix. This feature facilitates the use of separate mixes which are selectable by the artist. Multiple CB-4s can be daisy-chained to facilitate virtually any number of headphones. The CB-4 is designed to operate with most modern recording studio headphones.