Introduzione

Preamp tubes play an important role in increasing sound volume. These devices are responsible for creating a slight increase in a sound wave to prepare it for further amplification from the power vacuum tubes. Because these two types of tubes work so closely together, it is important to check the preamp tubes along with the power tubes when the amplifier seems faulty.

Parti

  1. Make sure to unplug the power cord!
    • Make sure to unplug the power cord!

    • Take off the back panel by unscrewing the four Phillips head screws on the back of the amplifier. You will find the six preamp tubes are the smaller ones on the right. (The picture only shows five of the six.)

    • Keep the screws in a safe place and mark what part they are for.

    Aggiungi Commento

  2. Remove the metal casing by gently pressing up against the case and twisting to the right.
    • Remove the metal casing by gently pressing up against the case and twisting to the right.

    Aggiungi Commento

  3. Diffondi allegria Fixmas
    Ottieni $12 sul tuo acquisto di $50 o più con il codice FIXMAS12
    Diffondi allegria Fixmas
    Ottieni $12 sul tuo acquisto di $50 o più con il codice FIXMAS12
    • Using the cloth, remove one tube by firmly grasping and gently pulling downwards.

    • Pulling directly downwards prevents damage to the hookup prongs at the bottom of the tube.

    Aggiungi Commento

    • Check the tube for any cracks in the glass. Also check to make sure the filaments are not burnt out.

    • If the tube is still functioning or to insert the replacement or, proceed to step five.

    Aggiungi Commento

    • Take the new replacement tube and insert it into the appropriate slot, making sure that the prongs at the end line up with the correct holes.

    • You should hear a click when the tube is secured in place.

    • Repeat these steps with the other three tubes if necessary.

    Aggiungi Commento

Conclusione

To reassemble your device, follow these instructions in reverse order.

Un'altra persona ha completato questa guida.

Andrew Exton

Membro da: 26/01/2014

126 Reputazione

1 Guida realizzata

Team

Cal Poly, Team 9-27, Maness Winter 2014 Membro di Cal Poly, Team 9-27, Maness Winter 2014

CPSU-MANESS-W14S9G27

5 Membri

6 Guide realizzate

Aggiungi Commento

Visualizza Statistiche:

Ultime 24 Ore: 0

Ultimi 7 Giorni: 4

Ultimi 30 Giorni: 24

Tutti i Tempi: 4,572