4 O

8 O

70 V

100 V

Electrical

Output power

Rated output power ¹

4 x 150 W

Maximum output power per channel (power sharing) ¹ at minimum impedance

500 W

600 W

500 W

600 W

Total rated output power ¹

600 W

Number of channels

4

Output voltage rated output power

24.5 V _RMS

34.6 V _RMS

70.7 V _RMS

100 V _RMS

Maximum output voltage

40.0 V _RMS

56.0 V _RMS

70.7 V _RMS

100 V _RMS

Rated impedance per channel

4 O

8 O

33.3 O

66.7 O

Minimum impedance per channel

2.6 O

4 O

10 O

16.7 O

Amplifier

Nominal Gain (+6 dBu input sensitivity, LEVEL 0 dB)

24.0 dB

27.0 dB

33.2 dB

36.2 dB

Maximum Gain (0 dBu input sensitivity, LEVEL +6 dB)

30.0 dB

33.0 dB

39.2 dB

42.2 dB

THD+N (1/8 rated output power, 1 kHz)

< 0.1 %

Crosstalk (ref. 1 kHz, 12 dB below maximum)

< -80 dB

< -85 dB

< -90 dB

< -95 dB

Frequency Response² (ref. 1 kHz, analog in to speaker out, -3 dB)

HP: 30/100/150 Hz to 20 kHz
LP: 30 Hz to 150 Hz

HP: 50/100/150 Hz to 20 kHz
LP: 50 Hz to 150 Hz

Damping Factor (30/50 Hz to 1 kHz, ref. to rated impedance)

> 80

> 160

> 500

> 1000

Output Stage Topology

Class D, fixed frequency

Signal to Noise Ratio (A-weighted, ref. to rated output power, LEVEL 0 dB)

> 98 dB

> 100 dB

> 101 dB> 103 dB

Output Noise (A-weighted, LEVEL 0 dB)

< -68 dBu

< -67 dBu

< -62 dBu

< -61 dBu

Connectivity

Analog Audio Input

Type

2 x 6-pin Euroblock, 3.81 mm, male, parallel 1x RJ45 AMP-LINK

Maximum input level (LEVEL 0 dB)

+18 dBu

Input impedance, active balanced

20 kO

Mains Input

IEC C14

Loudspeaker output

2 x 4-pin Euroblock, 5.08 mm, female

Control Port

Type

1 x 5-pin Euroblock, 3.81 mm, male

REMOTE ON

Remote On / Standby contact (overrides power button on front panel)

READY/FAULT

Galvanic isolated relay,

General

Signal processing

Input Routing, HPF 24 dB/ Oct., LPF 24 dB/Oct., Flat, Peak Limiter

Power requirements

100 V to 240 V, 50 Hz to 60 Hz AC

Power consumption

Consumption at 1/8 rated output power

115 W

Idle mode (ecoRAIL with no input signal)

< 20 W

Standby mode (APD active)

< 1 W

Power supply topology

Switching power supply with power factor correction

Protections

Audio limiters, high temperature, DC, HF, short circuit, back-EMF, peak current limiters, inrush current limiters, mains over/under voltage protection

Front status

LEDs Signal, limit, fault LEDs per channel; power LED

Environmental

Climatic conditions

Cooling concept

Convection cooling in tabletop application and rack application with spacing between units. Forced cooling (side to rear) in rack application without spacing between units and in extreme thermal conditions.

Ambient temperature limits

-5 °C to +45 °C
(+23 °F to +113 °F)

Altitude (operating)

-500 m to +5000 m
(-1614 ft to 16404 ft)

Mechanical

Enclosure

IEC Protection Class

Class I (grounded)

Dimensions (HxWxD)
With 19” mounting brackets

44.2 x 483 x 269.5 mm
(1.74 x 19.2 x 10.6 in)

Weight

3.6 kg (7.9 lb)