Toa VP-2000VX - VP-2241 and VP-2421

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4.2. VP-2241 and VP-2421
The speaker line voltage of the VP-2241 and VP-2421 is factory-preset to 100 V, however this can be
changed to 50 V or 70 V by following the procedures below.
Note
The speaker line failure detection functions are designed to perform on a 100-volt line of speaker. Set these
functions to OFF if the amplifier’s speaker line voltage is set to 50 V or 70 V. For the methods using a 70- or
50-volt line, please consult your TOA dealer.
Step 1. Remove the top panel referring to p. 5, step 1.
Step 2. Remove the CN-102 connector.
[VP-2241 Connector position] [VP-2421 Connector position]
CN102
CN102
Rear panel Rear panel
Step 3. Change the wiring in the CN102.
To change to 50 V line: Exchange Pin 1's cable (white) with Pin 3's cable (blue).
To change to 70 V line: Exchange Pin 1's cable (white) with Pin 2's cable (purple).
Step 4. Reconnect the CN102 to the original position on the circuit board.
Step 5. Replace the top panel.
[Speaker line voltage/impedance]
Pull out the cable.
Press the lock spring.
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Speaker line voltage VP-2241 VP-2421
100 V 41 Ω 24 Ω
70 V 21 Ω 12 Ω
50 V 10 Ω 6 Ω
[How to remove cables from connector]
Pull out the cable pressing the lock spring with a pointed object like tweezers as shown below.