Amplifier 擴音機 / GOLDMUND / Metis 3
Metis 3

Metis 3 - Power Amplifier A set of new Metis analog audio components has been created by Goldmund, replacing the company’s former SR line at even lower costs despite their much improved performance. Their Mechanical Grounding Construction is simply remar

Specification

POWER SUPPLY
•2 toroidal transformers
•2 separated power supplies (left and right)


FRONT PANEL CONTROLS
•ON/OFF Switch
•Green LED for power


REAR PANEL CONNECTORS AND CONTROLS:
•Power cord socket 3 lugs
•Main fuse (4 A slow-blow)
•1 pair of RCA connector (left and right)
•2 pairs of output speakers connector (left and right)


GROUNDING
•Separated ground and earth signal
•Connection between earth and ground to cancel all ground loops


SAFETY FEATURES
•Automatic switching to MUTING if the AC line drops or is interrupted


POWER
•Power RMS (Goldmund FPP Standard): 150W on 8 Ohms
•Peak Power/Maximum voltage: 225W on 8 Ohms
•Nominal line voltage: 110 or 230 V
•Input voltage range: +/- 10 %.
•Maximum power consumption: 78 W


FREQUENCY RESPONSE
•These values for any level to maximum output level
•+/- 0.1 dB, 10Hz - 20 kHz
•+/- 0.5 dB, 10Hz – 100 kHz
•+/- 1.5 dB, 10Hz – 200 kHz


CIRCUIT SPEED
•Slew rate of the amplification stages: 60 V/us
•Rise time: < 200 ns


GROUP DELAY
•Propagation delay < 1 ms stable with frequency from DC to 100 kHz


DISTORTION
•With 1 Vrms output level, 80 KHz measurement bandwidth, 600 Ohms termination impedance
•THD unbalanced in to balanced out 0.01 % flat with frequency
•IMD unbalanced in to balanced out 0.01 %


OPERATING TEMPERATURE
•Room temperature: -30 to +40 degrees Celsius (-22 to +104 degrees Fahrenheit).
•Internal temperature: +45 to +65 degrees Celsius (+113 to +149 degrees Fahrenheit).


POWER SUPPLY
•Power cord socket (3 lugs).
•Main Fuse (4A slow-blow).


DIMENSIONS AND WEIGHT:
•Amplifier: 300 mm (11.8") W x 285 mm (11.22") D x 60 mm (2.36") H.
•Amplifier Box: 360 mm (11.81") W x 360 mm (11.81") D x 112 mm (4.4") H.
•Power Supply: 220 mm (8.66") W x 110 mm (4.33") D x 42 mm (1.62") H.
•Total Weight: 7.5 Kg (16.53 lb)
•Total Weight with the box: 8.5 Kg (18.73 lb)