the Line matching Transformer Shall Be A Bogen Model Wmt1as, Or Equivalent, Capable Of Matching Either Inputs From, Or Outputs To, A 600 ohm Line. It Shall Provide A Perfect Impedance Match Between A 600 ohm Balanced Line And The High impedance Input Of An Amplifier, Or The 25v Output Of An Amplifier. Frequency Response Shall Be 2 Db From 50 Hz To 20 Khz. Less Than 0.1 Volt Across A 600 ohm Line Shall Be Required For Full Output Power From An Average Amplifier maximum Level, +20 Dbm . Output Shall Be Approximately 1.73 Volts When Connected Across The 25v Output Tap Or Wmt1as Hi z Output Connection Of A Bogen Amplifier.line Input Or Output Connections From The 600 ohm Line Shall Be Made Via A Three screw Terminal Strip. Connection To The Auxiliary Input Of An Amplifier Shall Be By Means Of A Shielded Cable Terminated In An Rca Plug. Provisions Shall Be Included To Connect The Unit To A Microphone Input. The Wmt1as Can Also Adapt Speaker level Signals 25v/70v Systems To A Level Suitable For The Aux Input Of An Amplifier. The Mounting Bracket Shall Allow The Transformer To Be Mounted By Means Of Two Steel Screws. The Unit Shall Measure 2 W X 2 3/8 H X 1 1/4 D And The Product Weight Shall Be 4 Oz.