Diezel Einstein - Power Amplifier; Tone and Volume of the Power Amplifier; Power Amplifier Tubes

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5.2.3 Life Span

! ! Power tubes last 1 to 3 years, depending on care, volume and frequency of use of the

! ampliﬁer. If you use your amp only once a month, then the tubes will last much longer. Really.

! ! We have heard tubes that are over 10 years old, but it was not a good thing. Tubes age very

! slowly; slow enough for the artist to get used to the changing tone. To keep things fresh, and to

! keep your tube dealer in business, we recommend re-tubing, cleaning and biasing once a year if

! the amp is used frequently.

Chapter Six: Layout of Controls

6.1 Manual Channel Selection

! ! The 2 channels of the Einstein can be selected manually by activating the select switch for

! either channel. Alternatively, a foot switch can be connected to remotely control the channel

! selection.

6.2 Master 2 On/Off

! ! Master 2 can be used for all channels, and can also be remotely controlled via the included

! foot switch. This allows instant volume boost, or cut, without ﬁddling with the amp. Once

! adjusted to suit your needs for the gig, it’s a thing of pure beauty. You can select the Master 2

! function via the Diezel 2-button foot switch. Actually, you can also use a readily available

! single button foot switch with a 1/4” connector.

6.3 Channels

!• Channel One

! Control perimeters include Gain, Volume, Treble, Mid, and Bass. A 3-position toggle switch

! selects preset gain modes.

!• Channel Two

! Control perimeters include Gain, Volume, Treble, Mid, and Bass. This channel can be selected

! via the toggle switch, or via the Diezel 2-button foot switch.

6.4 Effects Mix control Rear panel

! This control determines the amount of effect signal in the parallel loop

Chapter Seven: Maintenance and Cleaning

7.1 Cleaning

! ! Never use anything wet to clean the ampliﬁer, any ampliﬁer. Usually, it is sufﬁcient to wipe

! down the outside of the amp with a slightly moist cleaning rag. Do not use abrasive cleaning

! chemicals. Sometimes a vacuum cleaner can be used to remove dust and dirt from nooks and

! crevices. Do not remove the chassis from the housing to clean the amp; the inside of your amp

! carries dangerous Voltages.

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