For a long time installers worldwide have been looking for a professional integrated amplifier for use in commercial environments boardrooms or small businesses. An affordable but yet professional unit designed for 24/7 operation.
Their search arises from the fact that many small business owners often frown upon professional sound systems. They consider a traditional combination of pre-amplifier - amplifier - sources cumbersome and fear it will burden their budget. All too often the result is a consumer minisystem sadly sitting on a shelf somewhere behind a store counter.
As an answer to these questions APart has introduced Concept 1: an affordable pro-use stereo integrated amplifier. The unit can operate with one stereo zone two volume-linked zones or two individual-volume zones. The unit also offers versatile user and installer settings RS-232 control gain-adjustable line-inputs a MIC-input for paging and many other professional features.
Three operating modes
Concept 1 can operate with 1 stereo zone 2 volume-linked mono zones or 2 individual-volume mono zones.
User controls: music volume mic level treble bass. The controls can be locked.
Expert controls (access can be restricted):
- Zone settings: 1 stereo zone 2 volume-linked zones or 2 individual volume zones
- Maximum volume setting (per zone)
- Maximum microphone level (per zone)
- Preset gain per source
- Automatic loudness
- Paging on/off (per zone)
Professional features
- Stand-alone RS-232 or IR-controlled
- Digital limiter keeps your system and speakers in control
- 4 stereo gain-adjustable line-inputs
- Line 4 input also as minijack on front panel for connection of laptop and personal audio devices.
-Variable line out and variable pre out
- Integrated switchable highpass filter for subwoofer use
- Temperature control and automatic protect shutdown in case of overheating
- Removable rack-ears included
- IR remote control and IR extender optionally available
dynamics program power both channels driven : 8 ohm 50 W + 50 W
dynamics program power both channels driven : 4 ohm 80 W + 80 W
dynamics capacity at 17 ohm dips / ch : 120 W
note ; power output controlled by digital limiter
Lo-cut filter : 75 Hz / 12 dB/oct
speaker impedance - connection : 4 - 16 ohms / ch - Euroblock secured / screw terminals
RS232 : SUB-D9 galvanically isolated
IR (IR-remote control optional) front IR eye rear mini-jack
Source inputs A-B-C-D Input impedance / sensitivity : 15 Kohm / 03V -10dBV MAX 27V +85dBV
Source inputs A-B-C-D digital preset gain range : -20 / +14 dB
Source digital tone control : Bass 90Hz Treble 15 KHz +/- 14dB
Automatic Loudness : +6dB (90Hz) / +4dB (15 KHz) to FLAT 0dB
Micro balanced Input impedance / sensitivity : 15 Kohm / 15 mV -56dBV MAX 04V -8dBV
Micro balanced Input rear panel gain trim : -56 / -16 dBV mic - line
Micro Tone control ; rear panel Lo - Hi : 100Hz/+3dB10kHz/-6dB to 100Hz/-9dB 10KHz/+4dB
Pre-out impedance / sensitivity : 1 K ohm / 0 dBV
Line-out impedance / sensitivity : 1 K ohm / +3 dBV
Operation modes : stereo / 2 zones linked / 2 individual zones
Micro : Paging 1 or 2 zone
Frequency response : (- 05 dB) 10Hz-40 KHz
THD : < 005%
IMD : < 009%
Noise A-weighted : > 100 dBA
Gain : 33 dB
Damping Factor : > 100
Protection systems : DC temp clip overcurrent short-circuit
Cooling : convection no fan
Power consumption : max 170 Watt
Mains Power requirements : 240 - 230 Vac 50-60 Hz
Temperature operating range : 0 - 40c
Net dimensions (W x H x D) MM : 430 (without rackears) x 88 x 290 (320 including knobs)
Gross dimensions (W x H x D)MM : 530 X 380 X 170
Net weight : 6.6 kg
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