Description
Ampetronic
CLS2 Wall Mount Perimeter Induction Loop Driver, 4.6Arms, for areas up to 400m sq
The Ampetronic CLS2 is the second unit in a series of induction loop drivers aimed at the demands of the electrical and audio-visual contractor.
Designed for simple discreet installation, the CLS2 is the most capable driver in its class. The amplifier is very compact, yet the most powerful unit available designed specifically for wall mounting. All connections and controls are secured behind a tamper resistant, hinged, detachable cover. Combined with its small size, the range of mounting and cabling options ensure that installation is convenient and tidy in any environment. Input options are extensive, with four independent inputs for balanced microphone, balanced and unbalanced line, low impedance and 100V - line speaker systems, plus priority alarm, doorbell or telephone connections.
Backed by Ampetronic’s standard 5 year warranty and comprehensive support services, the CLS2 is truly fit and forget.
Features
-
Quick and simple to install
-
Area coverage to >400m2
-
Highest power loop driver in class
-
4 Independent configurable inputs
-
Wall mounted
-
Metal Loss Correction
-
5 Year warranty
-
Cabling and controls behind tamper resistant cover
-
2 Priority alarm inputs
-
Free Technical support
-
Community centres
-
Board rooms
-
Churches & places of worship
-
Interview rooms
-
Meeting rooms
-
Classrooms
Designed for vertical panel mounting using 4 screws (6 holes provided). Template for screw placements provided. The CLS2 is compact enough to fit on a 1U rack tray with feet removed.
Hinged lid, secured by 2 Phillips PH2 screws. Lid can be removed completely if required, for ease of access, or if there is no room to hinge the lid forwards.
Knock-outs (diameter 20mm) are provided for routing cables into the enclosure. 2 on the top edge, 4 on the rear face, 4 on the bottom edge, providing excellent installation flexibility.
All input cable connections are made with screw terminals mounted on one side of the PCB. Mains power connections are made to a chassis mounted screw terminal block. Loop connection is made to a screw terminal pair mounted on the PCB. Cable connections are illustrated on a detailed label on the case interior.
3 LED indicators are visible with the case open or closed:
-
AGC Amber LED lit when input signal is activating the automatic gain control
-
Current Green LED lit when current is running in the loop
-
Power Green LED lit when the unit has power
Five controls are located to be accessed only with the lid open, all screwdriver adjustable.
-
Level controls for inputs 1, 2, 3 and 4
-
Metal loss correction
-
Loop drive current
Perimeter Loops – Area Coverage (maximum)
The CLS2 is designed for perimeter loop applications.
|
Room aspect ratio |
1:1 |
2:1 |
3:1 |
|
Maximum area coverage m2 |
250 |
310 |
400 |
For any Induction Loop System, area coverage is dependent on several factors. Please check these assumptions and contact Ampetronic for advice if required:
-
The loop is 1-2m above or below the receiver height
-
There are no metal structures in the plane of the loop
-
There is sufficient voltage to drive the cable length – check table below.
Maximum Cable Length
The CLS2 is designed for SINGLE TURN loops for optimum audio quality:
-
Loops with DC resistance from 0.2Ω
-
Impedance up to a maximum of 1.3Ω
Maximum cable length is dependent on cable type and on the application.
|
Cable type |
Maximum Cable Length (m) |
|
|
Normal Use |
Transient Speech |
|
|
1.0mm2 copper |
49 |
57 |
|
2.5mm2 copper |
67 |
85 |
|
4.0mm2 copper |
70 |
91 |
|
1.8mm2 flat copper tape |
87 |
101 |
CLS2 Specifications
INPUTS
|
Input 1 |
Balanced Mic, balanced or unbalanced line |
|
Input 2 |
As input 1 mic level Balanced mic Input impedance 10kΩ per side Min level (MIC / Line -73dBu / -31dBu Max level (MIC / Line) -37dBu / +5dBu Phantom voltage MIC only +12V |
|
Input 3 |
Balanced or unbalanced line, expansion port |
|
Input 4 |
Isolated 100V line or low impedance mono or stereo speaker |
|
AC power input supply |
230V 30W 45-65Hz |
|
Input fuse - 230V Input fuse - 120V |
T250mA T500mA |
OUTPUTS
|
Drive voltage |
>6.4Vrms - 9.0Vpk |
|
Drive Current |
Continuous 1kHz sine wave >4.6Arms 7.0Apk |
|
Minimum Loop Resistance |
0.2Ω |
|
Maximum Loop Impedance |
1.3Ω |
AUDIO SYSTEM
|
Frequency response |
80Hz to 6.3kHz ±3dB |
|
Distortion |
THD+N |
|
Automatic Gain Control |
(AGC) Optmised for speech. Dynamic range >36dB |
|
Metal loss correction |
(MLC) 0 to 3dB per octave frequency correction (1kHz remains constant). Control mounted on PCB. |
PHYSICAL
|
Cooling |
Natural convection |
|
Environment |
IP20, -10ºC to +40ºC |
|
Dimensions |
W, H, D: 200mm, 200mm, 44mm |
|
Weight |
1.8kg |
|
Mounting |
Wall mounting, secured by 4 screws |
Ashton Audio in conjunction with Ampetronic can design your induction loop system for you. Simple induction loop designs are free, complex array systems will be charged for at a nominal rate. You can request a design through our 'Contact Us' Enquiry Form.
