SPECIAL FEATURES

1.

Remote on/off switching with opto coupler

2.

Suspression of power switching transients and thumps via delayed loudspeaker connection circuit.

3.

Limit switches for reducing output power to 20% or 50%. Output automatically disconnects and overload indicator light to avoid speaker destruction.

4.

Forced air cooling of output transistors with thermostatically controlled build-in blower.

5.

Over heating protection. Thermal cut out disconnects load if heatsink temperature rises above safe level

6.

Output selector on front panel for two groups of stereo speaker.

7.

Independent headphone output on front panel

Electrical Performance Characteristics A722

Continuos Sine Wave Power

2 x 60 W / 4 Ohm
2 x 45 W / 8 Ohm
2 x 30 W / 16 Ohm

Music Power

> 2 x 90 W / 4 Ohm

Distortion at
rated output / 4 Ohm

< 0.1% / 1 kHz
< 0.2% / 40 Hz ... 15 kHz, 0.1 W ... 65 W

Frequency Response

20 Hz ... 20 kHz
± 1 dB on 4 Ohm
+ 0.5 dB on 8 Ohm

Powerbandwidth

10 Hz ... 55 kHz / 4 Ohm
10 Hz ... 65 kHz / 8 Ohm

Signal to Noise Ratio,
referred to 60 W on 4 Ohm

> 95 dB inputs terminated with 220 ohms

Crosstalk

> 80 dB / 1 kHz

Input Impedance

20 kOhm

Input Sensivity
for 60 W/ 4 Ohm

1.1 V