Diezel Einstein - Chapter Three: Peripheral Connections; Front Panel Connections; Cable Selection; Rear Panel Connections

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Chapter Three: Peripheral Connections

3.1 Front Panel Connections

3.1.1 The input jack (“IN”) receives your Electric Guitar signal by means of a shielded guitar cord

! with 1/4” mono style plug. Your guitar cord is an important part of your signal chain and its

! quality and construction type clearly affect the overall tone of your rig. Try and buy the best

! quality guitar cord that you can or want to afford. Call us if you have doubts and need

! recommendations. This is where the smart “weak link” comment comes in.

3.1.2 Cable ABC

! ! Some cords and cables sound very neutral; others color the sound spectrum and/or

! attenuate high frequencies due to capacitance inside the wire and the shield. What are we talking

! about? OK. A capacitor is used in electronic crossovers, amongst other things, to divide low and

! high frequencies. Capacitance in a cable cuts your guitar’s high end to a certain degree.

! ! Generally, the longer of a cord you use, the more of the cord’s inherent characteristics will be

! audible.

3.1.3 Cable Selection

! ! In certain circumstances, it is desirable to match a guitar cord to a speciﬁc instrument. One

! may use the otherwise undesirable qualities of a cord to one’s advantage, if one has the time and

! patience to experiment with different cords and guitars. This should be done while playing with

! your band, or while recording. Sometimes it is difﬁcult to tell a component’s true advantages

! until it is used in the right context.

! ! A guitar that has very piercing highs could theoretically be tamed down somewhat by using a

! long guitar cord that offers some high-end attenuation. The loops of your Einstein send signals at

! higher levels and impedances, which makes this section of wiring less sensitive. You should still

! use reliable and good quality wiring for all loops.

3.2 Rear Panel Connections

3.2.1 Send/Return Loop

! ! The system consists of 2 separate Loops. It allows creation of effects path in either serial or

! parallel conﬁgurations. The individual channel volume controls determine the signal strength at

! the send jacks. The range is ... to +10dB. The output impedance is 4.7 kΩ. To use the Send/

! Return Loops, connect the “Send” to the “return” or “input” or “in” of the effects unit. Be sure to

! adjust the input level of the effects unit to the ampliﬁers level. Most effects units have led bar or

! other level control devices. The Output of the effects unit must be connected to one of the return

! jacks, parallel,, or serial. If you use the parallel return, then the signal can be mixed to the

! original signal via the rear panel mounted “Volume” control.

3.2.2 Parallel or Serial

! Which is better for you? Read on.

! ! There are 2 ways to handle effects signals. The serial loop interrupts the signal path of the

! Einstein and the signal is sent to the processor, becomes processed, then sent back to the serial

! return into the power amp. Digital effects units often digitize this signal once received, then

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