Requisite Audio Engineering L2M MKIII M/S VERSION Instrukcja Operatora Pobierz pdf (Strona 17)

REAR PANEL (LEFT to RIGHT, top and bottom row)

GROUND

Banana Plug connection to CHASSIS Ground and/or CIRCUIT Ground is provided. Need for

connection is unlikely, but can be useful in eliminating or ﬁnding source of hum, should hum

exist.

POWER SUPPLY INLET

For connect to either of the REQUISITE OUTBOARD POWER SUPPLIES, models OPS-2 (Solid-

State Supply) or RTS-4 (All Tube Supply). When not connected to a power supply, be sure to

use the security cap. The cap will protect the pins from accidental damage. Avoid contact with

the pins, as power supply caps can store voltage and possibly discharge when touched.

AUDIO OUTPUTS

Transformer balanced output.

Pin-1 no connection, Pin 2 positive going phase, Pin-3 negative going phase.

LIMITER LINK

Top for Channel-1, Bottom for Channel-2. Both become linked to each other when PK REDUC-

TION mode switch is set to LINK.

TUBE CHANNEL

Protective housing for tubes and opto attenuator. When installing your L2M, be sure sufﬁcient

air space is provided to prevent excessive heat build-up from the tubes.

TUBE PLACEMENT and FUNCTION (left to right)

•

6AQ5A or 6005 - LIMITER Supplies voltage to the Electro-Luminescent Panel (T4C)

•

12AX7 - LIMITER Control Voltage Ampliﬁer (Limiter)

•

T4C - LIMITER Optolux Electro-Optical Attenuator

•

12BH7A or 12AU7 - AUDIO Cathode Follower/output driver

•

12AX7 - AUDIO Limiter input gain stage

•

MIC LINK - AUDIO, RCA (use shielded cable)

•

12AY7 - AUDIO Microphone/DI input gain stage

AUDIO INPUTS

Transformer balanced inputs.

Microphone Level (top)

Pin-1 Ground, Pin-2 positive going phase, Pin-3 negative going phase.

Line Level (bottom).

Pin-1 no connection, Pin-2 positive going phase, Pin-3 negative going phase.

THE PAL PLUS MKIII

R e q u i s i t e A u d i o E n g i n e e r i n g! L2M MkIII

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Requisite Audio Engineering L2M MKIII M/S VERSION Instrukcja Operatora Strona 17