Nobels AB-1 Owner's Manual

AB-1

Specifications

Power 9V dry battery / AC adaptor
Consumption max. 11mA
Jacks IN 1, OUT B / IN 2, OUT A, REMOTE, DC
Controls Level A, Level B (MODE 1 only!)
Switch MODE 1, 2
Remote momentary switch
Display 1x green, 1x red LED indicator
Dimensions 74mmx126mmx58mm
Weight 430g (without Battery)
Specifications are subject to change without notice!

Example:

Mode 1
OUT-A
IN-1
OUT-B
Mode 2
IN-1
OUT-A
IN-2
Owners manual
KTA 980410-0440

Operation:

- Insert a 9V battery (2) or connect a regulated 9V power supply adaptor to the DC jack (4).
- Connecting a cable to the jack (3) will automatically switch the unit on.
- Pressing the pedal (1) switches the unit on or off.
- Instead of using this unit on the frontstage, you can place it with your equipment and
control it with a standard momentary footswitch connected to the remote jack (7).
- Before changing the battery (2) always unplug the jack (3) to switch the unit off.
- We suggest to use a regulated 9V power supply adaptor to keep our environment clean.
- Power supply specifications: see imprint on bottom of unit. - Thank you .

Important notes:

- Avoid using this unit in extreme humidity, heat or dust environment.
- When the unit is not in use for longer periods, remove the battery (2) to prevent damages
by battery leakage.
- Also unplug the jack (3) to prevent wasting battery life when the unit is not in use.

Function:

(3) IN 1 jack: Inserting a plug switches the unit on.
(4) 9V DC jack: Connect a regulated 9V power supply unit.
(5) OUT B / IN 2 jack: Input or output; depending on MODE setting. MODE 1: OUT B
MODE 2: IN 2
(6) OUT A jack: Output, Switched when LED A is on. Adjustable with control "A" (9).
(7) REMOTE jack: The ON / OFF-function can be remote controlled by a momentary switch,
connected to the REMOTE jack (5). Intelligent switching devices (like the Nobels MF-2 or
MS-4) also can remote control the unit.
(8) LED's : The Leds shows the state of the connection.
(9) controls A B: Adjust output level of "A" and "B". Attention: control "B" adjust
-LEVEL-
the level for OUT B and therefore can be used in MODE 1 only!
(10)MODE Switch: 1: IN 1 connected to OUT A (green LED on) or to OUT B (red LED on).
2: OUT A connected to IN 1 (green LED on) or to IN 2 (red LED on).

Applications:

- You can use this switcher to switch guitar A or B to an amplifier or to select between two
amplifiers.
- Also you can switch the outputs of two preamps to an external power amplifier, etc.