Diezel Einstein - Peripheral Connections; Front Panel Connections; Rear Panel Connections

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Chapter Two: Using Your Einstein

2.1 Mains Connections, Power and Standby

2.1.1 Mains/Connection to Power Outlet

! ! Please make sure that both switches (Power and Standby) are in the off position before

! connecting to the mains circuit. Verify line voltage before connecting the power cord. Never start

! Einstein without connecting speakers to the proper terminals. (See 3.2.5)

2.1.2 Power up, Warm up, Standby off

! ! First, turn the Power switch to on (facing up). The indicator light will turn on. This starts the

! tube heating process. After about 40 seconds, the tubes should be sufﬁciently heated for normal

! operation. Your Einstein is then ready for operation and the standby switch can be turned to

! “run” (also facing up). Premature activation of the standby switch will lead to unnecessary tube

! stress and subsequent reduction of the power tube’s life span.

2.1.3 Power Tube Caution

! ! Tubes are electronic components that function only with vacuum intact and under very high

! operating temperatures. Each tube has one or more heating ﬁlaments, much like a light bulb.

! These ﬁlaments heat up the anode of the tube. If you switch the standby switch to the “run”

! position before these anodes have reached their operating temperature (when the anode surfaces

! are not heated evenly), this causes undue stress to the tubes and their related components inside

! the amp. Always give the amp its much needed warm-up time, even if musical inspiration hits

! you with a full force.

2.1.4 Operating Temperature

! ! It will take a little more time after warm-up until everything inside the amp is working in sync

! and to its fullest potential. A trained ear will notice a slightly warmer tone and better complexity

! in tone after playing the amp for a short while. It’s like stretching before exercising.

2.1.5 Power Tube Life

! ! The power tubes of your ampliﬁer are subjected to a certain aging process. Once signs of

! aging, such as unreliability or unusual noise, are detected, we suggest that you replace all power

! tubes at once. Matched tube sets age relatively evenly, so our experience suggests. This means

! that if one goes, the others are not far from meeting the same fate. The aging process manifests

! itself by a depletion of a thin layer of wolfram on the anodes. This can take anywhere from 6

! month to 3 years, depending on the amount of use of the ampliﬁer.

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