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Introduction

Rocktron has partnered with LA Custom to produce the ValveSonic series of all tube guitar preamps with 

unprecedented sonic versatility. Tonal capabilities range from 1950’s American, to 60’s, 70’s, 80’s British, 

to modern American high gain.  The ValveSonics have a unique four tube design with the flexibility to 

reproduce any musical style including classic rock, metal, pop, country, jazz and more.

Producing tones 

only possible with tubes, Rocktron

 and 

LA Custom

 deliver the goods with the 

ValveSonic Black 

Plate + all tube guitar preamp!  

Providing unprecedented sonic versatility with 

another

 

four-tube monster

 in the 

ValveSonic series, the 

Rocktron ValveSonic Black Plate +

 model captures the tone of the iconic American combo 

known for its pristine clean sound and smooth overdrive when cranked up.  We’re talking 50’s “Hybrid Tweed” to 

60’s classic “Black Plate” Panel.  But this ValveSonic takes it even further providing the hot-rodded tones of the classic 

California 

amps.  

All this with a single preamp!

Features:  

The 

Valvesonic Black Plate +

 features a front panel input jack.  The 1-2 switch affects the input of the tube 

stage in the preamp.  When switched to “1”, the unit provides the more modern “hot-rodded”  type of input used 

on the classic “California” style amps.  When switched to “2”, the unit provides the classic type “Tweed” and “Black 

Face Panel” type “American” amps.  The Tight switch is used in conjunction with the 1-2 switch; in the up position 

the input is “tightened up”. 

Bright Control:   

The ValveSonic BRIGHT control is a five position switch that provides four different bright variations 

to the overall tone found in classic American and “hot-rodded” California amplifiers, with 0 being off and 4 being the 

brightest.

Gain Control:  

The GAIN control is used to determine the amount of GAIN Input level driving the ValveSonic 

tubes.

  

Boost can be obtained by flipping the Boost switch to the On position.  The Boost works in conjunction with the “+” 

switch.  When the Boost switch is On and the “+” switch is in the down position you will obtain an extra gain stage.  

When the “+” switch is Up, you obtain an additional gain stage and essentially add an entire tube to the front end, 

replicating the “hot-rodded” California style amps.

 

EQ:

   Bass, Middle and Treble controls determine the amount of these various frequencies present in the signal. The 

EQ 1 & 2 switch replicates the two different style EQs that were used in American amplifiers over the years.  In the Up 

position, (position 1), the 50’s “Tweed” EQ is replicated, providing a more modern midrange emphasis.  In the Down 

position, (position 2), 60’s “Black Plate Panel” EQ is replicated.

Afterburner:

  The ValveSonic series features a unique AFTERBURNER switch.  This switch works in conjunction with 

the DRIVE control, providing yet another gain stage after the EQ section of the preamp.  When the AFTERBURNER is 

turned On, this switch emulates a post phase inverter master.  When On, you can utilize the Drive control to adjust 

the amount of Drive present in the AFTERBURNER stage.

 

High Cut Control:

  The ValveSonic also features HIGH CUT control to adjust the High Frequency cut in order to roll 

off some of the high end “sizzle” when the high gain is used.  The Master control determines the output level of the 

preamp.  

 

T

he ValveSonic family of tube preamps

 includes three additional models.   

Available Now:

  The 

ValveSonic Plexi

 

captures the iconic British arena sound of rock.  

Coming Soon:

  The 

ValveSonic Top Boost

 preamp offers the sound 

of the famous vintage AC30 amp that delivers the classic “chime,” bringing the classic tube tones from 

“Beatles to 

Bohemian”

   The 

ValveSonic High Gain

 model, where the name says it all, delivering the heaviest of tones in this tube 

preamp series.

Содержание ValveSonic Black Plate+

Страница 1: ...U S E R S M A N U A L...

Страница 2: ...lways use good shielded cables for all audio input and output connections Also bundle audio cables separately from the AC power cables These steps will help insure compliance with the Directive s For...

Страница 3: ...er cord should be unplugged from the outlet when left unused for a long period of time DO NOT ATTEMPT TO SERVICE THIS EQUIPMENT THIS EQUIP MENT SHOULD BE SERVICED BY QUALIFIED PERSONNEL ONLY DO NOT MA...

Страница 4: ...st Gain Control The GAIN control is used to determine the amount of GAIN Input level driving the ValveSonic tubes BoostcanbeobtainedbyflippingtheBoostswitchtotheOnposition TheBoostworksinconjunctionwi...

Страница 5: ...ch also effects the input of the tube stage in the preamp 1 Replicates the more hot rodded type of input used on classic California style amps 2 Replicates a classic Tweed and Black Face Panel type of...

Страница 6: ...SS control This control is used to determine the amount of low frequency or Bass present in the signal MIDDLE control This control is used to determine the amount of mid frequency pres ent in the sign...

Страница 7: ...ol This control works in conjunction with the AFTERBURNER switch The DRIVE control determines the input level applied to the AF TERBURNER stage HIGH CUT control This control adjust the High frequency...

Страница 8: ...hat voltage before powering up the unit Note that selecting the wrong voltage can damage the unit and void the warranty LINE OUTPUT jack This standard 1 4 mono jack provides a LINE LEVEL OUTPUT signal...

Страница 9: ...Connection 1 ON TUBE GUITAR PREAMP BLACK PLATE...

Страница 10: ...Connection 2 ON TUBE GUITAR PREAMP BLACK PLATE...

Страница 11: ...Connection 3 ON TUBE GUITAR PREAMP BLACK PLATE...

Страница 12: ...ou replicate various tones from American amps With all of the switches in the DOWN postition the ValveSonic Black Plate replicates the first classic BLACK PLATE amps Classic Amp Tone Black Plate Clean...

Страница 13: ...968 3351 for information on servicing or repairs Outside the USA please refer to the Rocktron website for distributor information to obtain valid warranty servicing or repairs All shipping charges fo...

Страница 14: ...of GHS Corporation 2813 Wilber Avenue Battle Creek MI 49037 USA Rocktron Phone 1 269 968 3351 Email info rocktron com 20190001 Rev 2 20 19 www rocktron com www facebook com rocktronUSA www youtube co...

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