Alesis RA150

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Alesis RA150 Reference Amplifier -

For more information on the Alesis RA150 Reference Amplifier and to purchase from ...

Alesis RA150 Amplifier Repair

Fault Amplifier speaker protection relay not switching over. U1 Over voltage speaker protection IC defective located on the PSU ...

Alesis RA150 Amplifier repair

Fault Intermittent loss of left channel output. Speaker output protection relay defective. Replacement 12V DPCO relay fitted, fully ...