This unit is used to equalize the sound for various Bose speaker configurations, including various arrangements of 502A series allowing the use of bass bins such as the 502B series.
*** Technical Stuff *** * Number of Channels: Two
* Rear Panel Connectors: Balanced input x 2 (barrier strip) Balanced high freq. output x 2 (barrier strip) Balanced low freq. output x 2 (barrier strip)
*Rear Panel Controls: Mode switch Input sensitivity switch x 2 (-10dB-V, +4dB-V) Bass level control (range -18dB to +3dB) Bass mono switch (norm/sum)
* Electrical Specifications: Channel separation: >60dB @ 1kHz Input Inpedance: 2.4kOhm nominal Output impedance: 600Ohm nominal Output level: 8.0V RMS max. into 600Ohm
*Mechanical Specifications: Dimensions: 1.75"H x 19.0"W x 8.75"D Operating power: 110 -120V
*** Please read the Fine Print *** - Used, no original box, no manual. - Sold as is - Great condition, minor scratches, works fine. - Shipping U.S. Continental 48 States only, flat fee $15.00 - No international bidders please. - No shipping to P.O. Boxes. - PayPal Payment due upon end of the auction.