*Customers must provide the input impedance value of the main amp.

If the value is not provided, unit will remain at factory input impedance setting.

The upgrade service consists of:

Dahlquist provides standard service (repair of problem) & the upgrade service for the customer who is willing to ship the DQ-LP1 to our facility.


Full bench diagnostic test

Capacitor upgrade kit

Upgraded Op amp chips

Push button defeat switches

Match input impedance*

Upgrade Service

DAHLQUIST DQ-LP1

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Parts & Upgrade Service

DAHLQUIST SPEAKER SERVICE

The following DQ-LP1 parts are available at our online store:

DAHLQUIST DQ-LP1

Hi Fidelity Loudspeakers & Service


  • Fuseholder

  • Input impedance capacitor 

        & resistor kit

  • Fuse


  • Owner's Manual