Tascam LA-80MKII Owner'S Manual Download Page 5

TASCAM  LA-80/81MKII 

5

1–Introduction

Thank you very much for purchasing a TASCAM 

LA-80/81

MK

II. Please read this Owner’s Manual 

carefully and understand how to operate the device 

correctly before use. We hope that you will fully use 

the features of this unit for many years to come. After 

reading this manual, please keep it in a convenient 

place for future reference.

The LA-80

MK

II has 8 internal circuits to convert 

unbalanced inputs to balanced outputs. In addition, the 

Audio Distributed Amplifier (ADA) function allows 

single inputs to be assigned to multiple outputs using 

the INPUT LINK switches between each channel. 
The LA-81

MK

II has 8 internal circuits to convert 

balanced inputs to unbalanced outputs. 
Moreover, LA-80/81

MK

II units also have the 

following functions. 

GND LIFT

• 

 switches to turn the ground ON and OFF 

for each balanced connector 

ALL LIFT

• 

 switch that turns the ground ON and OFF 

for the entire unit 
Each channel has an 

• 

INPUT/OUTPUT LEVEL

 switch 

that allows input and output levels to be switched 

between -20 dBu and +4 dBu 
Level indicator LEDs that show signal presence 

• 

Semi-fixed 

• 

TRIM

 controls for fine level adjustment 

of ±12 dB 
Rack mount brackets

• 

Three-prong AC power outlet (Not on EUR model)

• 

Overview

Supplied accessories

The following items are included with this product.

Main unit 

• 

 ...................................................................1

Power cord set

• 

 .............................................................1

Rack mount screw set

• 

 .................................................1

Owner’s Manual (this document)

• 

 ...............................1

Warranty card

• 

 .............................................................1

Contact your TASCAM supplier if any of these items 

are missing.

Precautions for placement and use

Cleaning the unit

Use this unit within its operating temperature range 

• 

of 5–40º C (40–104º F). In addition, please avoid 

placement in locations that are very dusty or humid 

because this could cause malfunction. 
Do not give the unit a violent shock. This could 

• 

cause damage to the internal circuitry or the case. 

NOTE

 

Please be aware that, as a result of improvements or other 

changes to the product, photographs, illustrations and 

other depictions in the Owner’s Manual may differ from 

the actual product.

Use a soft cloth to wipe the unit clean. Do not 

clean it with chemical-based wipes, benzene, 

thinner, alcohol or similar substances. This could 

damage the surface or cause the color to change.

Rack-mounting the unit

Use the supplied rack-mounting kit to mount the unit 

in a standard 19-inch rack, as shown below. Remove 

the feet of the unit before mounting.

NOTE

Leave 1U of space above the unit for ventilation.

• 

Allow at least 10 cm (4 in) at the rear of the unit for 

• 

ventilation.

E_LA-80-81mkII_RevC.indd   5

08.12.19   1:07:23 PM

Summary of Contents for LA-80MKII

Page 1: ...D01047820C LA 80 81 Unbalanced Balanced Line Converter OWNER S MANUAL E_LA 80 81mkII_RevC indd 1 08 12 19 1 07 22 PM...

Page 2: ...rovoquer des interf rences radio dans ce cas l utilisateur peut tre amen prendre des mesures appropri es F r Kunden in Europa Warnung Dies ist eine Einrichtung welche die Funk Entst rung nach Klasse A...

Page 3: ...tion to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to qualified service personnel Servicing is required...

Page 4: ...81MKII 7 Bottom panel LA 80MKII 8 Bottom panel LA 81MKII 8 Block diagram LA 80MKII 9 Level diagram LA 80MKII 9 Block diagram LA 81MKII 10 Level diagram LA 81MKII 10 3 ADA Functions 11 LA 80MKII ADA Fu...

Page 5: ...unt brackets Three prong AC power outlet Not on EUR model Overview Supplied accessories The following items are included with this product Main unit 1 Power cord set 1 Rack mount screw set 1 Owner s M...

Page 6: ...ALL LIFT switch When other equipment is mounted in the same metal rack for example a ground loop can occur through the panel or chassis and this loop can cause a hum or other noise If this occurs enga...

Page 7: ...ALL LIFT switch When other equipment is mounted in the same metal rack for example a ground loop can occur through the panel or chassis and this loop can cause a hum or other noise If this occurs enga...

Page 8: ...higher numbered output Two or more inputs can also be assigned to multiple outputs in sequence see 3 ADA Functions for examples w INPUT LEVEL switches 1 8 Switches that set whether the signal levels...

Page 9: ...D SGND AGND AGND AGND RCA JACK GND LIFT XLR OUT 4dBu 20dBu 4dBu 20dBu LEVEL SHIFT GND LIFT 5 6 7 3 2 1 8 4 AMP with TRIM function BALANCED AMP LEVEL 10dBV 9dBu 10dB 5dB 0dB 5dB 10dB 15dB 15dB 20dB 25d...

Page 10: ...T GND LIFT XLR IN BALANCED INPUT CIRCUIT BALANCED AMP with TRIM function GAIN SWITCH AMP 4dBu 20dBu LEVEL 10dB 5dB 0dB 5dB 10dB 15dB 15dB 20dB 25dB 30dB 35dB 40dB 45dB 50dB 4dBu 2 1dBu 8dBu 18dBu 31 8...

Page 11: ...nced OUTPUTS 1 8 5 Input signal L Input signal R 1 2 3 4 5 6 7 8 L R Outputs 1 5 In this example a stereo pair of signals input through channels 1 and 5 are output in parallel to 4 channels each 1 Con...

Page 12: ...nced OUTPUTS 1 8 4 L R 1 1 2 3 4 5 5 6 7 8 L R Input signal Input signal Outputs In this example a stereo pair of signals input through channels 1 and 5 are output in parallel to 4 channels each 1 Con...

Page 13: ...inal input level 4 dBu 1 dB INPUT LEVEL switch set to 4 dB 20 dBu 1 dB INPUT LEVEL switch set to 20 dB Maximum input level 30 dBu INPUT LEVEL switch set to 4 dB 8 dBu INPUT LEVEL switch set to 20 dB I...

Page 14: ...5mm 280mm 6mm 9mm 44mm 0 5mm 432 6mm 432 2mm 31 8mm 482 6mm 280mm 6mm 9mm NOTE In order to improve these units their specifications and external appearance may be changed without notification Please b...

Page 15: ...TASCAM LA 80 81MKII 15 Memo E_LA 80 81mkII_RevC indd 15 08 12 19 1 07 28 PM...

Page 16: ...auga Ontario L4Z 1Z8 Canada TEAC MEXICO S A de C V www teacmexico net Phone 52 55 5010 6000 R o Churubusco 364 Colonia Del Carmen Delegaci n Coyoac n CP 04100 M xico DF M xico TEAC UK LIMITED www tasc...

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