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Ampetronic MLD5 Installation Handbook

Page  7  

Gain boos

t

Phantom

Gain boos

t

Phantom

MIC

LINE

MIC

LINE

INPUT 2

INPUT 1

OUTPUT

PHASE

STATUS

0.1A

+12V

LOOP OUTPUT

CHANNEL A

CHANNEL B

Induction Loop Driver

AC POWER INPUT

230V

45 - 65Hz

Power: 85W

Fuse: T 630mA L

Designed and Engineered in the UK

Serial No

DC OUTPUT

MLD5

LOOP O/P CONNECTIONS

1-

2-

1+

2+

0

1

36

30

24

18

12

6

INPUT 1

INPUT 2

MLC

AGC (dB)

7.0
5.5
3.5
2.5
1.8
1.2

CURRENT (A pk)

CLIP

LOOP

CLIP
LOOP

CH B

CH A

TEMP

MLD5

0

1

0

1

0

1

0

1

INDUCTION LOOP DRIVER

www.ampetronic.com

11

REAR VENT:

 Fan assisted ventilation outlet. DO NOT cover.

LOOP OUTPUT(S):

 Neutrik ‘Speakon’ high current connections to loop cable(s).

STATUS:

 Connection to relay contacts providing remote fault indication.

DC OUTPUT:

 2-pin connection for ancillary units.

PHASE SHIFT SELECTOR:

 Selectable 90

°

 phase shift between outputs.

XLR INPUTS: 

Socket for balanced MIC or LINE signals.

INPUT GAIN BOOST SELECTOR SWITCH: 

Gain selector (ON = +15dB)

INPUT SELECTOR SWITCH:

 Mode select between MIC and LINE input signals.

INPUT PHANTOM POWER SELECTOR SWITCH
AC POWER: 

Standard 3-pole IEC320 connector containing primary fuse for the unit.

12

13

19

18

20

21

14

15

16

17

18

19

20

21

Gain boos

t

Phantom

Gain boos

t

Phantom

MIC

LINE

MIC

LINE

INPUT 2

INPUT 1

OUTPUT

PHASE

STATUS

0.1A

+12V

LOOP OUTPUT

CHANNEL A

CHANNEL B

Induction Loop Driver

AC POWER INPUT

230V

45 - 65Hz

Power: 85W

Fuse: T 630mA L

Designed and Engineered in the UK

Serial No

DC OUTPUT

MLD5

LOOP O/P CONNECTIONS

1-

2-

1+

2+

0

1

36

30

24

18

12

6

INPUT 1

INPUT 2

MLC

AGC (dB)

7.0
5.5
3.5
2.5
1.8
1.2

CURRENT (A pk)

CLIP

LOOP

CLIP
LOOP

CH B

CH A

TEMP

MLD5

0

1

0

1

0

1

0

1

INDUCTION LOOP DRIVER

www.ampetronic.com

Summary of Contents for MLD5

Page 1: ...MLD5 Installation Handbook www ampetronic com...

Page 2: ......

Page 3: ...r other apparatus that produces heat 6 WARNING THIS APPARATUS MUST BE EARTHED GROUNDED 7 Only power cords with the correct power connector may be used to maintain safety Cables incorporating the UK 13...

Page 4: ...d inputs These can be configured for microphone or line inputs with individually selectable phantom and gain boost For more complex installations you may need ancillary equipment such as microphone pr...

Page 5: ...LOSS CORREC TION MLC MLC LEVEL PHASE SHIFTER AGC DISPLAY RED L E D YELLOW L E D YELLOW L E D YELLOW L E D GREEN L E D GREEN L E D PHASE SWITCH 0 90 CHANNEL CURRENT LEVEL CHANNEL CURRENT LEVEL POWER AM...

Page 6: ...y installed according to the Designing Induction Loops handbook or as per specific design instructions provided by Ampetronic As a result a target current should be known based on achieving acceptable...

Page 7: ...il the target current is achieved as indicated by the CH B CURRENT LEDs Headphones can be used with the MONITOR socket to listen directly to the loop current NOTE channel A output appears in the left...

Page 8: ...o hot Loop current is not delivered to either channel See toubleshooting for details MONITOR 3 5mm jack socket for use with stereo headphones to listen to the signal being delivered to the loop POWER...

Page 9: ...DC OUTPUT 2 pin connection for ancillary units PHASE SHIFT SELECTOR Selectable 90 phase shift between outputs XLR INPUTS Socket for balanced MIC or LINE signals INPUT GAIN BOOST SELECTOR SWITCH Gain...

Page 10: ...ble causes for this Check the COMPRESSION LEDs are illuminating Check that the CURRENT controls are turned up sufficiently Check the LOOP or TEMP LEDs are not illuminated Ensure the Ear symbol is illu...

Page 11: ...istance loops can be encountered in a venue with a pre installed loop which was designed for use with an old loop driver which might be being replaced Before using this loop ensure that the existing l...

Page 12: ...1 of Instability Failed AC power fuse in rear of unit Unplug the loop and AC power supply from amplifier and replace the failed fuse with the spare fuse in AC power input fuse tray Reconnect the AC po...

Page 13: ...le circuit Attack decay 14 5 10 7 5 10 0 2 22 100 to 5000 4 7 1 24 17 9 6 4 13 0 2 22 100 to 5000 4 7 1 45 32 13 9 2 19 0 2 24 100 to 5000 4 7 1 V A A Hz ms s STATUS SOCKET 2 pin 5mm pitch 90 header T...

Page 14: ...35 20 90 IP20 0 35 20 90 C WARRANTY This product carries a five year parts and labour warranty from date of shipment from Ampetronic To qualify for the five year warranty the product must be register...

Page 15: ...INSTALLATION NOTES Ampetronic MLD5 Installation Handbook Page 13...

Page 16: ...Contents Copyright Ampetronic Ltd 2013 All rights reserved UP17601 4...

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