Chapter 3
Peripheral Connections
3.1 Front Panel Hookups
3.1.1 Signal In Jack
The input jack (“IN”) receives your Electric Guitar signal by means of a shielded guitar
cord with 1/4” mono style plug.
3.1.2 The Cord
Your guitar cord is an important part of your signal chain and it’s 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. Get it?
Some cords and cables sound very neutral, others color the sound spectrum and/or
attenuate high frequencies due to capacitance inside the wire and 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 an cable therefore cuts your guitar’s high
end to a certain degree. Generally, the longer of a cord you use, the more of the cords
inherent characteristics will be audible.
3.1.3 The right cord for the specific instrument
In certain instances it is desirable to match a guitar cord to a specific instrument. One
can 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 when recording. Sometimes it is difficult to tell a
components true advantages until it is used in the right context.
A guitar that has very piercing highs could theoretically be tamed down somewhat by the
use of a long guitar cord that offers some high end attenuation.
The inserts and loops of your Diezel VH4 or VH4S 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 and inserts.
3.1.4 Signal Splitting via “Thru” jack
The “Thru” jack is wired in parallel to the input jack. You must be careful not to hook up
low impedance tuners or other devices to this jack, because if you do, the signal portion
that is split into the amplifier might be compromised. In other words, you want more
signal to go into your amp then into your tuner or other device. This jack was designed to
be used for high impedance tuners or to go into a second amplifier input stage. You can
try this out by plugging a secondary device into this jack while playing, and listening to
your tone. If you notice a change in sound quality or volume, then you should not use the
device in question at this jack. There is a better solution to connect a tuner anyway. See
section 3.3.2
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