Oldfield 5918 Скачать руководство пользователя страница 7

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Oldfield Amplifiers

User Guide

Tubes

Looking at the back of the amplifier and reading left to right the tube compliment is as follows:

ectifier -

Your amplifier comes shipped with a 5V4 tube rectifier.

Power -

Your amplifier uses (2) 6V6 power tubes. When replacing power tubes use only a matched pair

from the same manufacturer. Your amp does not need to be re-biased when changing power tubes.

Phase Inverter - Your amplifier

uses a 12AX7 dual triode for the phase inverter.

Preamp -

Your amplifier uses (2) 5751’s as preamp tubes.

Содержание 5918

Страница 1: ...Oldfield Amplifiers User Guide Model 5918...

Страница 2: ...roduce heat This product may be equipped with a polarized plug one blade wider than the other or a three prong grounded plug This is a safety feature If you are unable to insert the plug into the outl...

Страница 3: ...h vacuum tubes until they have sufficiently cooled Oldfield amplifiers are capable of producing very high sound pressure levels Use care when setting and adjusting volume levels during use to protect...

Страница 4: ...e and hand wired using the best quality components available for guitar amplification It is built to last a lifetime and give the owner countless hours of enjoyment whether on stage in the studio or i...

Страница 5: ...d harmonics Channel 2 Volume Volume control for instruments plugged into the channel 2 input Rotating the control clockwise will make the channel 2 volume louder and increase overall gain and harmonic...

Страница 6: ...efore changing the position of this switch Power Level The power level control is a variable voltage control for the amplifier At 100 the amplifier will produce the maximum output and be the loudest T...

Страница 7: ...comes shipped with a 5V4 tube rectifier Power Your amplifier uses 2 6V6 power tubes When replacing power tubes use only a matched pair from the same manufacturer Your amp does not need to be re biase...

Страница 8: ...If you are unfamiliar with replacing tubes this should be done by a qualified service technician For a little higher gain try replacing the preamp tubee with a 12AX7 s To blend the two channels run a...

Страница 9: ...arge Power Transformer Output Transformer Reverb Transformer And Choke These items are guaranteed for ten years after date of purchase against manufacturer s defects If a failure occurs due a defect i...