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GETTING THE BEST FROM YOUR VALVESTATE 

TM

AMPLIFIER

There may be some features of your Valvestate

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amplifier with which you are not familiar. The following

terms are explained in order to help you to get the full benefit of these incredibly versatile facilities on those
models to which they apply.

GAIN

This is really just another term for input volume. On controls that have increased drive capacity, the more you
increase the gain, the greater the intensity of distortion. The Valvestate

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boost channels have an abundance

of gain and will give you countless overdrive variations. By playing with the positions of the gain and contour
controls combined, you will discover the many different textures of Valvestate

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overdrive.

CONTOUR

Our special mid band shift contour control changes the voicing of the boost channel to give you the maximum
amount of variation on overdrive selections. It works on the frequencies that are most effective for guitar and
gives unlimited potential to your distortion tones. As with the EQ controls, playing experience will show the
optimum settings for your sound.

CRUNCH

A term used to describe semi-distorted sounds often used for rock rhythm or blues lead playing. Crunch is
achieved by turning the normal channel gain to maximum or just below. Valvestate

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models have extra gain

built into their normal channels to give you plenty of crunch (models 8080, 8240, 8100, 8280 & 8200 also
have a switchable crunch selection). Turning down the guitar volume brings the sound back to clean.

EQ

Short for equalisation which describes the tone control combination. The Treble, Middle, Bass and Presence
controls are extremely effective in your Valvestate

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amp  and the only way to really get to know their full

range is to play with them.

EFFECTS SEND & RETURN 

When linking external effects processors, some of the best results can be achieved by using the effects loop.
The Send jack sends the signal from the amp to the input of the effects unit. This then returns from the units'
output into the Effects Return jack. The loop comes in after the amps' distortion circuitry so is best suited to
effects units such as chorus and delay where extra colouration of the effect is not required. Effects such as
distortion and compression are more suited to the amp input where sound colouration will follow. A level
switch allows the loop to operate at high (0dB) signal levels for rack processors, or low (-20dB) levels for
floor pedals.

PRE-AMP OUTPUT

This socket gives a signal direct from the amplifiers' pre-amp section which can be used either as an effects
send, or as a means of driving an external power amp system.

POWER AMP INPUT

If you own a separate pre-amp, this socket gives you direct access to the Valvestate

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power stage, without

involving the combo pre-amp. It can also act as an effects return.

LINE OUTPUT

The low level signal from this socket is specially filtered to enable you to link directly into recording or PA
mixing equipment and to still achieve the Valvestate

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guitar sound. The 8240, 8280 & 8200 have left and

right Line Outputs operating in stereo.

POWER STAGE

This refers to the part of the amplifier that delivers the signal from the pre-amp control section and amplifies it
in order to drive the loudspeaker. In your Valvestate

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unit this is the part that is so unique and will really

make your guitar sounds simply the best!

STEREO CHORUS

Chorus is one of the sweetest guitar effects. The 8240, 8280 and 8200 bring you stereo chorus through twin
Valvestate

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power stages for a panoramic spread and superb chorus depth. 

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VALVESTATE HANDBOOK ART english  1/11/04  10:23 am  Page 4

Summary of Contents for ValveState

Page 1: ......

Page 2: ...e range which was launched over the early 1990 s With this radical development they succeeded in producing something really new for the guitarist Their latest development takes this range one step forward by adding the 8200 and 8280 Bi Chorus models to the already successful Valvestate line I suggest that you read this handbook carefully in order to fully understand the many sounds and functions c...

Page 3: ...le to do this by simulating the performance of a valve power stage Using Bi Polar devices in models 8010 8020 8040 8080 8100 and 8240 and MOSFET devices in models 8280 and 8200 in a new constant current configuration produces the type of high impedance output levels normally only delivered by a valve amplifier This creates speaker reaction similar to that found in valve equipment Ringing harmonics...

Page 4: ...p and the only way to really get to know their full range is to play with them EFFECTS SEND RETURN When linking external effects processors some of the best results can be achieved by using the effects loop The Send jack sends the signal from the amp to the input of the effects unit This then returns from the units output into the Effects Return jack The loop comes in after the amps distortion cir...

Page 5: ...ions 13 Contour Control This sweeping control shifts the mid band voicing of the boost channel to give amazing versatility to your overdrive sounds When used in conjunction with the 3 band EQ this control is devastating 14 Volume Control Controlling the overall level of the boost channel this allows volume balancing between the two channels MASTER SECTION 8080 8100 15 Effects Send Jack For linking...

Page 6: ...PANEL 8280 8200 only 25 Mains Input 26 27 Speaker Outputs Two parallel wired sockets for connection to external speaker cabinet cabinets from right hand side of power amp Note the combined total impedance of speaker cabinets should not be less than 4 Ohms 28 29 Speaker Outputs Two parallel wired sockets for connection to external speaker cabinet cabinets from left hand side of power amp Note the c...

Page 7: ... SECTION 12 Master Reverb Gives overall control of the depth of reverb effect for both channels 13 Pre amp Output Direct output from the combo pre amp This gives a signal suitable for driving an external power amp or the input of an effects processor 14 Power Amp In Input directly into the combo power amp This allows the use of an external pre amp eg 9004 or acts in conjunction with pre amp out as...

Page 8: ...e control is advanced the amount of overdrive increases Full Gain Full Shred 3 Boost Select Single switch which selects Normal clean crunch sounds or Boost overdrive sounds 4 Master Volume This controls the overall volume of the amplifier on either channel selection 5 7 Bass Middle Treble Three band equalisation for tonal selections on the normal or boost channel These controls interact so it is b...

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