
Ward Beck M450B programming/summing amplifier
The M450B is a line amplifier that can also be used as a summing amplifier. It delivers one watt into a 600 ohm load!
SPECIFICATIONS :
FREQUENCY RESPONSE: +/- 0.25 dB from 20 Hz to 20 kHz.
DISTORTION: Less than 0.2% harmonic distortion from 20 Hz to 20 kHz.
MAXIMUM OUTPUT: +30 dBm into 600 ohms. POWER SUPPLY: Bipolar +&- 25 volts dc.
Taken from a working Ward Beck console.