Technical Documentation PRODUCT OVERVIEW
LA-40mkII - Bi-directional Line Level Converter / Distribution Amp

LA-40mkII

TASCAM's LA-40mkII was built with the same top notch line level converters as the LA-80 and LA-81, but combines both directions of conversion in one box. Fine tuning trim pots are accessed on the front panel, offering 6dB adjustment on individual outputs. Ground lift controls are available on each channel or globally for eliminating ground loops. A channel link matrix on the bottom of the LA-40mkII allows channels to be linked, utilizing the line amp as a distribution amplifier. This is great for splitting signals for distribution to multiple recorders or for multizone sound routing.
Converts between Balanced and Unbalanced Line Levels Distribution Amp Function with Channel Uplink (CH 5-8 Only) 6dB Fine Tuning Trim Pots On Each Output Ground Lift Switches Per Output or Global Cascade 500W Power Outlet (US/Canada Model Only) Single Space Rack Mount Design Selectable +4/-20dBm Balanced Nominal Level

APPLICATIONS

The LA-40mkII is designed to offer top quality line level conversion capabilities for studios, live installations, and mobile production systems. Clubs - Live Theaters - Project and Production Studios Whenever you need to integrate a combination of balanced and unbalanced equipment, use the LA-40mkII for the best quality line level conversion. Since the LA-40mkII offers bi-directional conversion in a one rack space box, it is the ideal box to connect balanced console ports to unbalanced source/mixdown decks.

SPECIFICATIONS

Performance Specifications: Frequency Response: Signal to Noise Ratio: Total Harmonic Distortion: Crosstalk: Trim Range: 20Hz-20kHz, 0.8dB >87dB (IHF A/DIN) <0.01% @ 1kHz 90dB @ 1kHz 6dB
Channels 1-4 (Balanced to Unbalanced) Input (Unbalanced RCA x4): -10dBV, 34kOhms (Input Links Off) Maximum Input Level: +11dBV (3.5V), output set to +4dBm +35dBV (56V), output set to -20dBm Output (Balanced XLR x4): +4dBm (1.23V), output set to +4dBm -20dBm (0.0775V), output set to -20dBm Maximum Output Level: +25dBm (13.8V) Channels 5-8 (Unbalanced to Balanced Input (Balanced XLR x4): +4dBm (1.23V), input set to +4dBm -20dBm (0.0775V), input set to -20dBm Maximum Input Level: +32dBm (30.8V), input set to +4dBm +8dBm (1.9V), input set to -20dBm Output (Unbalanced RCA x4): -10dBV, 10kOhms (1kOhm minimum) Maximum Output Level: +18dBV (7.9V) General Specifications: Power Requirements: 120V AC, 60 (US/Canada Model) 230V AC, 50Hz (Europe Model) 240V AC, 50Hz (Australia) 6W 482 x 48 x 196 mm (19" x 1-7/8" x 7-11/16") 2.8Kg, 6.171 lbs

CHANNEL UPLINK FUNCTION

On the bottom of the LA-40mkII, there are switches that allow you to use the line amp in the LA-40mkII as a distribution amplifier. The switches will link a channel with the previous channel. (This only applies to channels 5-8.) There are also several nominal level switches, allowing the adjustment of each channel for the optimal level.

INPUT LINK

Power Consumption: Dimensions:

ON OFF +4

ON OFF +4 -20 +4 +4 -20 INPUT LEVEL +4 +4 -20 +4

ON OFF +4 -20

Weight:

OUTPUT LEVEL

Bottom panel drawing above. Schematic of input link (channels 5-8) at left.

7733 Telegraph Road

Montebello, CA 90640

(323) 726-0303

http://www.tascamcontractor.com

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LA-40mkII_TECHDOC.pdf 100300
All features and specifications are subject to change without notice. Contact your local TASCAM representative for the latest information.