Coros Manual
Contents
1. M CORSO USER GUIDE x a a e Corso Drive Treble Power CONFESSIONAL ESHER Overview The Suhr Corso Recording Amplifier is the ideal studio companion Corso is an all tube no compromise variable wattage amplifier up to 5 watts that provides players with all of the tone and character of a high powered amplifier in a compact portable form factor perfect for any recording studio application or bedroom practice session Corso is packed with a number of features which give players incredible flexibility for carving out their ideal sound With the on board attenuator Corso can be easily transformed from the most complex and detailed clean tones to a wall of harmonically rich overdriven lead tones at any volume Treble Presence FA Presence Like To Use Pedals Corso was designed with a unique low gain input stage to accommodate a variety of your favorite boost overdrive and time based pedals Recording At Home Made Easy Equipped with a unique Line Out post power section the Corso is ready for the studio The Corso s Line Out offers the sound of the entire amplifier not just the pre amp section so you can fully experience all of Corso s tone when you plug directly into your digital recording I O interface Should inspiration strike in the middle of the night just turn the Power control fully counterclockwise and play without disturbing the neighbors or your family2. BRIGHT Engaging this switch boosts the upper mid freguencies which adds clarity and definition to your tone which is useful for a variety of percussive playing styles such as Funk Rock and R amp B MID Engaging this switch boosts the lower mid frequencies which thickens up your overdriven rhythm and lead tones FRONT PANEL SWITCHES GAIN Engaging this switch adds 12dB of gain which increases sustain and emphasizes upper harmonics for singing solos and percussive Alternative style rhythm playing PRESENCE Engaging this switch boosts the midrange frequencies which gives your tone better definition and a clarity without sounding harsh or fatiguing DEEP Engaging this switch boosts the bottom end adding low end thump and body to any style from clean to heavily distorted This switch can also be used to compensate for a loss of low end body when playing Corso at lower volumes FRONT PANEL Bright Mid Gain el TO 0 0 Treble Drive CONTROL KNOBS Presence Bass Power DRIVE Adjusts the amount of pre amp overdrive added to your signal Use the Drive control in conjunction with the Gain switch to experience the wide range of tones that Corso has to offer Clean settings between 1 2 offer a variety of full bodied clean tones with excellent clarity Classic Crunch settings between 3 4 with gain switch in the on position offer a variety o
3. amplifiers and electronic products The foregoing statements of warranty are exclusive and in lieu of all other remedies Workmanship lifetime warranty is limited strictly to the original retailer purchaser of the instrument registered with JST within 10 days of purchase from an authorized JST dealer or distributor JST will pay shipping costs to return the unit to its owner within the mainland U S The above warranty policy only applies to customers in USA If you are an international customer please check with your distributor and the dealer in your country for warranty matters Warranty issues must be handled through your dealer or distributor If you are an international customer who purchased or plan to purchase from a US dealer we can handle warranty matters direct but you will be responsible for shipping both ways We encourage international customers to purchase through your local distributor or dealer for this reason Our international distributors are set up to handle warranty issues in their respective countries If you do not have an authorized Suhr dealer in your country please contact us direct for further details Rev 10172013
4. eaker outputs and Line Out Dimensions 13 x 7 x 8 5 Weight 11 4 Ibs Grill Options Esher or Confessional WARRANTY FOR SUHR AMPLIFIERS AND ELECTRONIC PRODUCTS JST warrants for lifetime from date of purchase by the initial retail purchaser that this product shall be free from defects in workmanship Electronic components such as capacitors resistors filters transformers jacks and pots are covered for 5 years Any parts determined defective by JST within the five 5 year term shall be repaired or replaced by JST without charge for parts and labor provided the unit is returned transportation costs prepaid to JS Technologies Inc 601 Crane Street Unit A Lake Elsinore CA 92530 or to such facility authorized by JST JST will pay shipping costs to return the unit to its owner Defects in workmanship will be determined by JST for limited lifetime coverage This warranty does not cover damage caused by accident misuse abuse neglect unauthorized or improperly performed repairs alterations and or wear and tear occasioned by use of the product and does not include any expense for inconvenience or loss of use while the product is being repaired or replaced JST expressly disclaims any liability for consequential damaged arising from the sale use or inability to use the product Any warranty implied by law including any warranty of merchantability or fitness is expressly limited to the one 5 year warranty term for the parts on our
5. ers stoves or other apparatus including amplifiers that produce heat Oo O N LI A U N a Protect the power cord from being walked on or pinched particularly at plugs and the point where they exit from the apparatus 10 Only use attachments accessories specified by the manufacturer 11 Unplug this apparatus during lightning storms or when unused for long periods of time 12 Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled on objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 13 CAUTION To disconnect the unit completely from the MAINS unplug the unit Turning the power switch off does not disconnect the unit completely from the MAINS 14 Unit must be operated with a minimum distance of 18 from any object 15 The unit shall not be exposed to dripping or splashing and that no objects filled with liquids such as vases shall be placed on the unit SUHR COM SPECIFICATIONS Channels One Output 5 Watts variable Tubes 2 12BH7A Power Section 1 12AU7 Input Stage 8 2 12AX7 Tone and Phase Inverter Front Panel Input Bright Switch Drive Mid Switch Treble Gain Switch Bass Presence Switch Deep Switch Power and On Off switch Back Panel AC Power Mains lnlet Fuse T1A 250V Slo Blow 2 802 sp
6. f British crunch rhythm tones with excellen midrange cut and articulation TREBLE Turning the control clockwise emphasizes the upper frequencies While turning the control counter clockwise produces a warmer sound which is excellent for dialing in smoother t fluid like lead tones and is alSo well suited for Jazz styles High Gain settings between 5 7 with gain switch in the on position offer a dramatic increase in gain with extended low end thump without loss of definition taking you from Hard Rock to 80 s Heavy Metal Metal Alternative Alt Tuning settings between 8 and higher with gain switch in the on position offer increased saturation harmonics for additional sustain and low end emphasis when playing drop and alt tuning styles BASS Turning the control clockwise increases the lower frequencies providing a fuller low end response While turning the control counter clockwise reduces the bass which tightens up the bottom end This can be very useful when playing at louder volumes and at higher gain settings POWER A volume control that adjusts the overall output of your signal Fully counter clockwise 0 the Power control acts as a Load allowing you to take complete advantage of Corso s Line Out without having to be connected to a speaker cabinet NOTE The Power control only affects Corso s speaker outputs this does not alter change the output level o
7. f the Line Out a o e mem 9204000000000 202020202090 hl bd bd dd bd dd aa j j a A A A z l A 120V V 60Hz SPEAKER TIA 250V 8 OHM Line Out Me S N 0 Made in the U S A JS Technologies BACK PANEL SPEAKER LINE OUT 2 80 outputs wired in parallel Unbalanced 14 Output Use this to connect the Corso to a mixer or IMPORTANT To avoid damage to your amplifier do not operate without recording device turning down Corso s Power control to it s minimum setting 0 or NOTE The Corso s Line Out is full range not compensated and offers connecting it to a suitable speaker load the sound of the entire amplifier not just the pre amp section To fully experience all of the Corso s tone when plugging directly into a I O device we advise the use of filtering cabinet emulator or impulse responses when using the Corso to record direct SAMPLE SETTINGS Clean Bright On Drive 2 Mid Boost Off Treble 6 Gain Boost Off Bass 6 Presence Off Deep On Power 8 Presence MIXX 0 0 Input Treble Power IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat regist
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