Amplified Nation Wonderland OD 100 V2 Manuale d'uso - Pagina 8

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All of our amps are equipped with external bias test points and an external bias adjustment pot.

The adjustment pot is located in between the power tube sockets and should be adjusted using an

insulated flat tip screwdriver.

Power up unit connected to proper speaker load

Do not have an instrument connected to the amp

Take the amp off of standby and let it stabilize

Set your multi meter to mV

Connect the meter to corresponding black and red test points, black is ground

Using an insulated screwdriver adjust the bias pot to get the proper mV reading

Tube types and bias level:

22w 6VGGT – 19-21mV per tube

50w 6L6GC – 33-35mmV per tube

50w EL-34-33-35mV per tube

100w 6L6GC – 66-70mV per pair

100w EL-34 – 66-70mV per pair

DO NOT set bias higher than recommended levels as it can lead to tube failure or damage to the

amplifier.

WARNING: No user serviceable parts inside. If the amplifier is blowing fuses or not operating

properly, please take it to a qualified technician for repair.

Use grounded A/C receptacle only

Bias Adjustment Procedure