MODEL CAPSULE SHIELD MICROPHONE CABLE P200 ......... ......................................... P650 600 ohms dynamic 18 3/4" (47.6 cm) diameter .13" (3.3 mm) diameter - 2 conductor & shield 6' long (1.83 m) FREQUENCY RESPONSE* OUTPUT 250 to 15 KHz +/-5 db balanced 150 to 20KHz +/-5 db pseudo balance red or white - live black - 100 ohms to ground OUTPUT IMPEDANCE  600 ohms  150 to 600 ohms 150 ohm earphone OUTPUT LEVEL  -52 dbm at 1 KHz  -42 dbm at 1 KHz  earphone 0db + 5 db - 20 db ELECTRONICS  none  2 I.C., 2 transistor, 3 diodes  POWER SUPPLY none  bipolar normal voltage +/- 8.4 volts range +/- 5 to +/-10 volts current 5 mA at 10 volts 2 mA at 5 volts battery life M1604 - 60 hrs.  WEIGHT (without Case) EARPHONES 1 lb., 12 oz.  none 2 lbs., 10 oz. (incl. Earphone)  high impedance to conserve energy, 600 ohms (minimum 150 ohms) CASE AVAILABLE vinyl and styrofoam - weight 4 lbs., 2 oz. support weight of 250 external pounds OPERATING TEMPERATURE  -15° to 122°F. (-28° to +50° C.) *Note: the frequency response is affected by the background. Keep the EPM Microphone away from extreme temperatures (above 122° F. 50° C.) Design, specifications and prices, subject to change without notice. 157 Fenn Avenue, Toronto, Ontario M2P 1X8 Tel: (416) 421-5631 Fax: (416) 421-3880 Email: info@rdsystemscan.com