Fohhn 6012-0T9U0 - DI-2.4000 AES - DSP power amplifier

Specifications

Features

weight

9.8 kg

dimensions (W × H × D)

2 U / 19", 485 × 89 × 425 mm

Electronic features

amplifier technology

Class D

amplifier outputs

2

DSP routing (matrix)

4 × 2

frequency response

20 Hz – 20 kHz

signal/noise ratio

>100 dB/A

THD+N

0.15 % (1 kHz, 8 ohms, 3 dB below clipping)

dynamic range

>120 dB

password protection

yes

auto power save

adjustable from 1 s to 12 h, or never active

protective circuit

over voltage protection, over current protection, over temperature protection, short-circuit protection, DC protection, power on delay, soft start and inrush current limit

power supply

100 – 240 V AC 50/60 Hz, universal power supply with Power Factor Correction (PFC)

power consumption

Maximum (RMS) 1800 W, idle state 80 W, auto power save 10 W, standby 5 W, power on/off switch / remote power off 2 W

heat dissipation

Maximal 300 W, 1020 BTU/h, 258 kcal/h (Pink Noise, 6 dB crest, 1/4 Pmax)

temperature range

0 – 40 °C

cooling

temperature-controlled fan

output power

2 × 4000 W / 4 ohms / 100 V / 70 V, 2 × 2000 W / 8 ohms (1 kHz, THD+N <1 %)

minimum impedance

4 ohms

input channels

4

Controller

digital signal processors

2

independent limiters

12

FIR filter

yes

input gain

-80 dB – +12 dB

routing gain

-80 dB – +12 dB

output gain

-80 dB – +12 dB

EQ

6 × 10 fully parametric filters, Gain +/-12 dB, Frequency 10 Hz – 20 kHz, Q 0.1 – 100

selective 3-band limiting

bass / mid / high

limiter / compressor

6

noise gate

6

delay

2 × 0 – 350 ms (0 – 120 m) outputs, 4 × 0 – 88 ms (0 – 30 m) inputs

X-over

6 × Linkwitz-Riley 4th order (24 dB/octave), high pass 10 Hz – 20 kHz, low pass 10 Hz – 20 kHz

user presets

100

speaker presets

100

system latency

1.2 ms

band-specific time constants

yes

filter technology

80-bit double precision

input

AES/EBU 32 kHz – 96 kHz, 16/24 bit

Input DSP processing

yes

Remote control and remote monitoring

remote control

Fohhn-Net over RS-485, Fohhn Audio Soft, USB-C

remote monitoring

temperature, protect, signals, power supply, Fohhn Net, Fohhn Audio Soft

fault message contact

1 × Relais, 2 × UM, 3-pin Phoenix

switching contact

load preset, standby on/off

Display (front)

receive / send LED

remote control, Fohhn-Net

ready LED

blue = Power on, blue flashing = Sign

protect LED

red = Error / Protect / Standby

input LED

4 × input signal LED, white = signal (> -50 dBFS), red = clip (> -3 dBFS)

output LED

2 × output signal LED, white = signal (> -50 dBFS)

USB Config LED

configuration via USB

Connections and controls

controls

Power on/off Switch

USB Config

1 × USB-C socket

remote power in / out

2 × Phoenix 2-pin

power supply for extern small devices 24 V / 5 W

1 × Phoenix 2-pin

24 V / 5 W power LED

green = on

mains connection

1 × PowerCON

fault contact (open/close)

1 × Phoenix 3-pin

switching contact 1 and 2

1 × Phoenix 3-pin