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  JCR Luthier Bienvenido a Jcr Luthier, más de 20 años de experiencia en la creación, ajuste y reparación de instrumentos nos avalan, contamos con la capacidad de satisfacer a todo tipo de músico, desde el que comienza asi como hasta los más exigentes. Welcome to Jcr Luthier, more than 20 years of experience in building and maintenance we guarantee instruments, we have the ability to meet all kinds of music, from the beginning also the most demanding.
  • Bass In StockGeneral conditions: 50% of the value of the instrument is payable at the time of order confirmation, 25% when the instrument is ready to paint and 25% at the…
    • ST
      • ST5 Headless Quilted Maple - Price 4300€Top Quilted Maple - Body Mahogany - Neck Maple flamed Fretboard Ebony Macassar , steeel frets 34" scale Space Bridge 18 mm +- 1mm - Aguilar DCB Pickups -…
      • ST4 Poplar Burl - Price 3200€TOP: Poplar Burl BODY: Mahogany NECK: Hard Maple FRETBOARD: Ebony 34" PICKUPS: Aguilar PREAMP: Copperstone 3 b WEIGHT: 3,5 KG
      • ST 5 LM - Price 3800€TOP: Black Limba BODY: Mahogany NECK: Ovangkol - Purple Head - Wenge - Eucaliptus pommele FRETBOARD: Maple Flamed 34" Frets steel - Carbon Reforzaments…
      • ST5 Buckeye Fretless Unique - Price 4200€Top Buckeye burl - Body Mahogany Neck Maple flamed Wenge - Fingerdboard Ziricote 34" Pickup Bartolini dual coil - Preamp JD Copperstone Weight 3,8 kg
    • SJ
    • SC
      • SC6 Buckeye - Price 4600€Top Buckeye burl - Body Mahogany Neck Mapl, Purple head - Fretboard Ziricote Steel frets 34", Carbon reforzaments Pickups Aguilar Super Doubles Pream Flexcore…
      • SC6 Black Limba - Price 4500€Top Black Limba - Body Mahogany Neck Bird eye Maple, Zebrawood, Wenge Fretboard Ebony Macassar 34" Steel frets, Carbon reforzaments Nordstrand Fat Stack -…
    • JazzBass
      • JB 5 CM VW - Price 3350€Body: American red alder vintage white - Neck Maple, fretboard bird eye maple Steel frets, scale 34" - Nordstrand Big Singles pickups Pream Aguilar OBP3 -…
      • JB 6 SA Roasted - 3800€Body Swamp Ash roast - Neck Ash roasted - wenge - reforzaments carbon Fretboard Maple bird eye roast , steel frets 34" scale - Pickups Delano SBC HE 6 Pream JD…
      • JB5 CM Olivo - Price 2750€Top: Olivo - Body: Korina Neck: Maple flamed - Frets: Steel scale 34" Pickups: Nordstrand Big Singles A2 Preamp: John East Unipream Weigth: 3,8 kg
      • JB4 CM Movingui - Price 2450€Top Movingui - Body Mahogany Neck Maple - Mahogany - Wenge - Fretboard Ebony Macassar Frets steel 34 " scale - Nordstrand Big blade pickups - Noll 3b Preamp …
      • JB 5 CM SUNBURST - Price 3000€Body Korina - Top Movigui flamed Neck Maple flamed - Pickups Custom Singles Big blade Pream Aguilar obp3 - Hipshot bridge 19 mm+-1 Weight 3.9KG
    • Eclipse
    • CM
      • CM6 Black Limba - Price 4350€Top Black Limba - Body Mahonany - Neck Bird eye Maple, Zebrawood, Wenge Fretboard Ziricote, 34" Scale, Steel frets, reforzaments carbon neck Schaller ligth…
      • CM4 MF Ultralite - Price 3000€Top Maple Flamed Neck Ash, Maple flamed, Wenge Fretboard Ebony Macassar 34" Steel frets Pickups Opccional Aguilar Hot - Custom singles Alnico Vintage plus.…
      • CM4 Black Limba Ultralite - Price 3000€Top Black Limba - Body Paulownia Select Neck Etimoe - Wenge - Ash Fretboard Ebony Macassar, Steel frets medium jumbo 2.7mm Pickups Delano JSBC HE Preapm JF…
      • CM4 EU Ultralite - Price 3000€Top Eucalipto Smoked - Body Paulownia Select Neck Etimoe - Wenge- Ash Fretboard Ebony Macassar, Steel frets medium jumbo 2.7mm Pickups Custom Super singles…
      • CM5 MF Ultralite - Price 3350€Top Maple flamed Neck Ash, Maple flamed, Wenge Fretboard Ebony Macassar 34" Steel frets Pickups Opccional Aguilar Hot - Custom singles Alnico Vintage plus.…
      • CM4 Movingui - Price 2650€Top Movingui - Body Mahogany Neck Maple - Mahogany - Wenge - Fretboard Ebony Macassar Frets steel - 34" scale - Nordstrand Dual blade - Preamp Noll 3b Weight …
      • CM5 OLIVO - Price 2800€Top: Olivo Body: Mahogany Neck: Maple flamed Fretboard: Ebony Macassar Pickups: Custom Bassbars Pream: John East Uni pream Frets: steel Scale: 34"
      • CM5 Walnut fretless 35 - Price 3800€Top Walnut - Body Korina, Limba Neck Maple, Purple head - Fingerdboard Ebony 35" Pickups Custom Super Singles Blade - Preamp JD Copperstone Weight 4,2 kg
      • CM5 EU 34 - Price 3350€Top Eucalyptus Pommele Smoked - Neck Ashm- Eucalyptus Fretboard Ebony Macassar 34", Steel frets - Pickups Super Singles Blade Bridge Hipshot, Shaller utraligth…
      • CM5 EB Ultraligth - Price 3400€Top Eucaliptus roast - Body Paulownia select - Hipshot Tuners Neck Ash - Fretboard Bird eye Maple - Scale 34" - steel frets Pickups Delano - Pream Aguilar obp3…
      • CM5 BL Headless - Price 3500€Top Black Limba - Body Mahogany - Neck Maple - Zebrawood- Wenge Fretboard bird eye Maple roasted 34" - steel fretss Custom Singles Blade pickups - Pream JD…
      • CM5 Bird eye Headless - Price 4300€Top Bird eye maple - Body swamp ash - Neck Maple - Wenge - Zebrawood Fretboard Bird eye maple 34" scale steel fretss Aguilar DCB 5 - Pream Aguilar OBP3 Weigth…
    • The Growlingman
    • Crossover
      • Crossover 4 Zebrano - Price 3300€Top Zebrano Body Mahogany center maple Neck Wenge - Purple Heart Fretboard Wenge Steel frets 34" Aguilar DCB 5 pickups, Pream Aguilar OBP3 Weigth 4 kg
      • Crossover 4 Poplar Burl - Price 2700€TOP: Poplar Burl BODY: Mahogany NECK: Sapeli Pommele , Hard Maple FRETBOARD: Ziricote 34" - Steel frets PICKUPS: Custom HE PREAMP: Pream 3b Copperstone…
  • Guitars In StockGeneral conditions: 50% of the value of the instrument is payable at the time of order confirmation, 25% when the instrument is ready to paint and 25% at the…
    • Custom EU - Price 2700€TOP Euclaipto Black Curly BODY Mahogany 1 piece NECK Maple Flamed FRETBOARD Ebony Frets steel PICKUPS Rio Grande HARDWARE Schaller
    • Telecaster Vintage White - Price 2400€BODY: Amercian Red Alder NECK: Maple Flamed, Fretboard Rossewood, Frets Jumbo 2,65 m PICKUPS: Rio Grande Muy Grande
    • Strato Vintage - Price 2400€BODY: AMRECIAN ALDER NECK: CURLY MAPLE - FINGERBOARD: PALORROSA PICKUP BRIDGE: RIO GRANDE - NECK and CENTRAL: BARE KNUCLE IRISH TOUR BRIDGE SPECIAL: PURE BRASS…
    • RG6 Movingui Sunburst - Price 2500€TOP Movingui BODY Mahogany NECK Maple FRETBOARD Ebony Frets steel PICKUPS Rio Grande HARDWARE Schaller
    • M6 Cherryburst - Price 2600€TOP Movingui BODY Mahogany 1 piece NECK Maple FRETBOARD Ebony Frets steel PICKUPS Rio Grande HARDWARE Schaller
    • Tele Sunburst Brown - Price 2500€TOP Eucalipto Pommele BODY Mahogany 1 piece NECK Mahogany Pommele FRETBOARD Ebony Frets steel PICKUPS Rio Grande Muy Grande HARDWARE Willkinson
    • Strat Movingui - Price 2500€TOP Movingui BODY Mahogany NECK Maple Flamed FRETBOARD Rosewood Frets steel PICKUPS Rio Grande Muy Grande HARDWARE Schaller
    • M6 Koa - Price 2700€TOP: Curly koa BODY: Swamp Ash NECK: Pauferro - 25 inch FRETBOARD: Rosewood - frets steel - tension rod double action BRIDGE: Wilkinson TUNER: with locks…
    • RG6 Koa Sunburst - Price 2700€TOP Koa Curly BODY Mahogany NECK Wenge FRETBOARD Bird Eye Maple Frets steel PICKUPS Rio Grande Muy Grande HARDWARE Schaller
  • Video Show RoomJCR is composed of a group of musicians who take our instruments worldwide tour in their various artistic activities where quality and fidelity is our…
  • Workshop and MoreIn our workshop we know that every instrument has its life live performances, kilometers and hours of use in different circumstances and situations. In JCR we…
    • RepairsJCR not only cares about repair an instrument , his intention is always to return it to its original state and even improve respecting the philosophy and…
    • Construction processHere you can see some of the construction process in the workshop of JCR. From 1 minute until the instrument is completed and delivered to its owner. Moments of…
    • Bass Sold
      • ST5 WJ BirdeyeTOP: Maple bird eye BODY: Ash - Redwood with air chambers NECK: Maple bird eye - 2 Carbon reforzaments FRETBOARD: ABW - 34 inch - frets steel PICKUPS: Haussel…
      • ST6 LZTOP: Black Limba BODY: Mahogany - Center Back Walnut NECK: Hard Maple - Bubinga - Wenge FRETBOARD: Ziricote 34" Frets steel - Carbon Reforzaments…
      • ST6 KOATOP: Koa - Walnut BODY: Mahogany NECK: Maple - Etimoe FRETBOARD: Ziricote 34" - Frets Steel - Carbon Reforzaments PREAMP: Custom 3 EQ - Active Pasive -…
      • ST6 33 QuiltedTOP: Maple quilted BODY: Swamp Ash NECK: Maple flamed - 2 reforzaments carbon FRETBOARD: Pau ferro 33" frets steel PICKUPS: Haeusell Bassbars pau ferro covers…
      • SJ 5 OlivoTop: Olivo Body: Maple flamed fretboard: Ziricote Neck: Maple / Etimoe Pickups: Nordstrand DC5 Pream: John East uni pream Frets: steel Scale: 34"
      • SC 5 Spalted - Price 3800€TOP: Spalted Maple BODY: Mahogany NECK: Maple - Purple Head - Wenge -Bubinga FRETBOARD: Ziricote 34" scale and frets steel CUSTOM PICKUPS: Bass Blade HB …
      • SC5 Tuya Burl - Price 3800€TOP: Tuya Burl BODY: Mahogany NECK: Maple - Purple Head - Wenge - Bubinga FRETBOARD: Ziricote 34" scale and frets steel PICKUPS: Aguilar Super Double Custom…
      • ST5 Buckeye - Price 3800€TOP: Buckeye burl BODY: American Walnut, center Maple Flamed NECK: Ovangkol - Purple Head - Eucalipto 2 Carbon reforzaments - frets steel - tension rod double…
      • ST4 Buckeye burlTOP: Buckeye burl BODY: Curly Maple - Mahogany Pommele NECK: Maple - Wenge - Zebrano FRETBOARD: African Blackwood - tension rod double action - frets steel…
      • SJ5 Spalted FretlessTOP: SPALTED BODY: MAHOGANY FRETBOARD: ZIRICOTE 34" and LINED MAPLE PICKUPS: DELANO PREAMP: JOHN EAST TUNERS: HIPSHOR BRIDGE: ETS
      • SJ5 Buckeye FretlessTOP: BUCKEYE - BODY: MAHOGANY FRETBOARD: ZIRICOTE 34" Lined MAPLE PICKUPS: DELANO JSBC HE - PREAMP: JOHN EAST
      • SJ6 Black Limba Fretless - Price 3800€TOP: Black Limba BODY: Black Limba NECK: Hard Maple - Bubinga - Wenge FRETBOARD: Ziricote 34" - Carbon Reforzaments PREAMP: Custom 3 EQ - Active Pasive -…
      • ST5 LZ - Price 3800€TOP: Black Limba BODY: Mahogany - Center Back Walnut NECK: Hard Maple - Bubinga - Wenge FRETBOARD: Ziricote 34" Frets steel - Carbon Reforzaments…
      • SJ 5 Black Limba Fretless - Price 3800€TOP: Black Limba BODY: Mahogany NECK: Maple - Purple head - Wenge FRETBOARD: Ebony Macassar 34" scale PICKUPS: Delano SBC HE 5 Driver PREAMP: Copperstone Bass…
      • W5 CurvedTOP: Redwood BODY: Ash - Olive NECK: MAple - Etimoe - Wenge FRETBOARD: Bird Eye Maple 35 inch - frets steel PICKUPS: Delano JSCB HE PREAMP: BassMods 3 band…
      • CM4 ETOP: Ecualipto Pommele BODY: Salpeli Pomele with air chambers NECK: Maple - Buninga - Wenge FRETBOARD: Granadillo - frets steel - tension rod double action…
      • CM4 BuckeyeTOP: Buckeye burl BODY: Curly Maple - Mahogany Pommele NECK: Maple - Wenge - Zebrano FRETBOARD: African Blackwood - tension rod double action - frets steel…
      • CM5TOP: Eucalyptus smoke-dried BODY: Ash with air chambers NECK: Zebrano - Flamed Maple - Wenge FRETBOARD: Gabon Ebony 34 inch - frets steel PICKUPS: Nordstrand…
      • Eclipse 5 33 inchBODY: Curly Maple NECK: Arce - Etimoe - Purple head - Wenge PREAMP: Nordstrand 3 band FRETBOARD: Macassar Ebony with treatment, maintenance with oil ESCALE: 33…
      • Eclipse 5 PoplarBODY: Alerce TOP: Poplar Burl NECK: Maple - Wenge FRETBOARD: Macassar Ebony 35 inch PICKUPS: Delano The Xtender 5HE S PREAMP: Noll BRIDGE: ETS PRICE: NOW 1600…
      • JB5 Koa CherryTOP: Koa BODY: Walnut NECK: Flamed Maple PICKUPS: Big Split PREAMP: Glockenklang FRETBOARD: Macassar Ebony 34 inch - frets steel - tension rod double action …
      • The Growlingman 5 EWBODY: Sapele Pommele TOP: Eucalyptus Pommele FRETBOARD: Maple bird eye 34 inch - frets steel NECK: Hard Maple PICKUPS: Delano - mini swich 3 positions PREAMP:…
      • The Growlingman 5 EUBODY: Swamp Ash TOP: Eucalyptus FRETBOARD: Maple bird eye 34 inch - frets steel 2,6 m.m NECK: tension rod double action PREAMP: John East U retro deluxe …
      • ST6 LM - Price 3800€TOP: Black Limba BODY: Mahogany NECK: Ovangkol - Purple Head - Wenge -Eucaliptus Pommele FRETBOARD: Maple Flamed 34" - Frets steel - Carbon Reforzaments…
      • ST6 Olivo - Price 3800€TOP: OLIVO BODY: MAHOGANY NECK: MAPLE ZEBRANO WENGE FRETBOARD: ZIRICOTE 35" PICKUPS: DELANO SBC HE PREAMP: JOHN EAST TUNERS: HIPSHOT BRIDGE: ETS
      • CM4 EU - Price 2700€Top Eucaliptus - Body Mahogany Neck Maple - Mahogany - Wenge - Fretboard Ebony Macassar Frets steel - 34" scale - Custom Humbucker Blade pickups - Pream Noll…
      • ST5 Tuya Burl Fretless - Price 3800€TOP: TUYA BURL - BODY: CURLY MAPLE NECK: HARD MAPLE WENGE ZEBRANO - TUNERS: HIPSHOT FRETBOARD: AFRICAN BLACK WOOD 34"- BRIDGE: ETS PICKUPS: DELANO JSBC…
      • JB5 CM Buckeye - Price 2900€TOP: Buckeye Burl Burl BODY: Korina NECK: Maple Flamed FRETBOARD: Maple Flamed - Inlays Buckeye - Frets Steel PICKUPS: Nordstrand Dual Balde PREAMP: Noll…
      • JB5 CM MAKORE - Price 2700€Top Makore flamed - Body Mahogany Neck Maple - Mahogany - Wenge - Fretboard Ziricote Frets steel - 34" scale Custom Humbucker Blade - Preamp John East Unipreamp…
      • SJ5 Poplar - Price 3700€Top: Poplar flamed Body: Mahogany Neck: Maple flamed Fretboard: Ziricote Pickups: Delano SBC 5 HE Pream: John East unipream Frets: steel Scale: 34 "
      • Eclipse 5 Spalted Sunburst - Price 3200€TOP: Spalted Maple - BODY:Walnut chambered - NECK: Maple - PICKUPS: Nordstrand Fat Stack Fretboard Maple flamed 34" scale - Steel frets - Copperstone preamp:…
      • SJ5 Spalted Maple Fretless - Price 3800€TOP: Spalted Maple BODY: Mahogany NECK: Maple - Purple head - Wenge FRETBOARD: Ebony Macassar 34" scale PICKUPS: Delano SBC HE 5 Driver PREAMP: Copperstone…
      • SC6 Buckeye Burl - Price 4000€TOP: Buckeye burl BODY: Mahogany NECK: Maple - Purple head - Wenge- Bubinga Fretboard Maple flamed 34" scale and frets steel PICKUPS: Delano SBC HE 6 Custom…
      • Eclipse 5 Black Limba Fretless - Price 3200€TOP: Black Limba BODY: Limba NECK: Maple - Zebrawood - Padouk FRETBOARD: Ebony Macassar 34" scale PICKUPS: Bartolini Narrow Soapbar PREAMP:Bartolini 3b …
      • Eclipse 6 Fretless Ziricote Unique - Price 4100€TOP: Pau Ferro BODY: Mahogany NECK: Maple, Merbau, Wenge FRETBOARD: Ziricote lines Maple PICKUPS: Delano SBC HE PREAMP: Copperstone 3 b WEIGHT: 4 KG
      • Eclipse 5 Fretless Unique - Price 3800€Top: Pau Ferro Body: Maple Flamed chambers, center back walnut Fingerdboard: Pau Ferro 34", 32 Mark Pickups: Delano SBC HE, SWICH SERIE- SINGLE-PARALLEL PREAMP:…
      • Crossover 5 Poplar Burl - Price 2900€TOP: Poplar Burl BODY: Mahogany NECK: Hard Maple FRETBOARD: Hard Ebony Macassar 34" - Steel frets PICKUPS: Delano SBC HE PREAMP: Pream 3b Copperstone…
      • ST5 Fretless Unique - Price 4000€Top: Pau Ferro Body: Maple Flamed chambers, center back walnut Fingerdboard: Pau Ferro 34", 32 Mark Pickups: Delano SBC HE, SWICH SERIE- SINGLE-PARALLEL PREAMP:…
      • CM4 Redwood - Price 2700€TOP: Redwood BODY: Ash chambers NECK: Sapeli pommele 3 p FRETBOARD: Ziricote 34" - Steel frets PICKUPS: Delano JSBC HE PREAMP: Pream 3b Copperstone…
      • Growlingman 5 Movingui - Price 2650€Top: Movingui - Body: White Korina Neck: Maple flame - Frets: Steel scale 34" Pickups: Nordstrang Big Man - Big Single Preamp: Nordtsrand 3B Weigth: 3,8 kg
      • Crossover 5 Walnut - Price 2700€BODY: Ash TOP: Spañish Walnut NECK: Maple bird eye - Zebrano - Wenge and 2 Carbon reforzaments FRETBOARD: Bird eye Maple - 35 inch - frets steel PICKUPS:…
      • SJ 5 Olivo 32 - 3850€Top: Olivo - Body Ash - Neck Ash 3 piece Fretboard Ziricote 32" SCALE - steel frets Space bridge 17+-1mm , if you want to string through the length is like 34"…
      • ST5 Koa 33 - Price 4000€Top Koa - Body Alder, center poplar flamed Neck Maple, Etimoe - Fretboard Ebony Macassar 33", steel frets Pickups Aguilar, preamp JD Copperstone Weight 4,1 KG…
      • ST6 Buckeye - Price 4200€TOP: Buckeye burl BODY: Mahogany NECK: Maple - Etimoe- Zebrano and Reforzaments Carbon FRETBOARD: Ziricote 34" scale and frets steel PICKUPS: Delano SBC HE 6 …
      • ST6 BUCKEYE - Price 4600€Top Buckeye burl- Body Paulownia, Piece Select Neck Bird eye Maple, Zebrawood, Wenge Fretboard Maple bird eye 34" Steel frets, Carbon reforzaments Aguilar…
      • SJ 5 Walnut - Price 4000€Body Mahogany - Neck Maple Flamed, carbon reforzaments African Black Wood fretboard, 34 "steel frets - Custom pickups Super singles cover wood. Opcional Aguilar…
      • SC 6 Redwood Burl - Price 4000€TOP: Redwood burl BODY: Mahogany NECK: Maple - Purple head - Wenge - Bubinga FRETBOARD: Maple flamed 34" scale and frets steel PICKUPS: Delano SBC HE 6 …
      • JB5 Redwood - Price 2650€TOP: Redwood Burl BODY: African Mahogany NECK: Maple Flamed FRETBOARD: Maple Flamed Frets Steel PICKUPS: Delano JSBC HE PREAMP: Aguilar TUNERS: Hipshot BRIDGE:…
      • JB5 CM Movingui - Price 2750€Top: Movingui flame - Body: White Korina Neck: Maple flame - Frets: Steel scale 34" Pickups: Nordstrand Big Blade Preamp: Nordstrand 3b Weigth: 3,8 Kg
      • CM 4 Walnut Fretless - Price 2700€TOP: Walnut BODY: Walnut Chambers NECK: Hard Maple, Sapeli Pommele FRETBOARD: Ziricote, Lines Maple 34" PICKUPS: Nordstrand PREAMP: Pream 3b Copperstone…
      • CM5 EU 33 Ultra Light - Price 3350€Top Eucalyptus pommele Smoked - Neck Ash - Eucalyptus Fretboard Ebony Macassar 33" , Steel frets Pickups Super Singles Blade - Bridge Hipshot, Shaller utraligth…
    • Guitars Sold
      • Tele Swamp AshBODY: Swamp Ash one-piece NECK: Flamed Maple FRET: Jumbo PICKUPS: Bare Knuckle The Boss BRIDGE: Willkinson TUNER: Willkinson PRICE: 2300 € with case and…
      • R6TOP: Flamed Movingui BODY: Alder NECK: Flamed Maple FRETBOARD: Ebony frets steel - tension rod double action PICKUPS: Bare Knuckle Crawler, push to simple for…
      • Telecaster AshBODY: Ash with air chambers TOP: Curly Makore NECK: Maple FRET: medium jumbo PICKUPS: Nordstrand
      • Telecaster CustomBODY: Swamp Ash one-piece NECK: American Walnut FRETBOARD: Bird eye frets steel - tension rod double action - Ebony dots TUNER: Sperzel BRIDGE: Joe Barden…
      • Guitarra M7TOP: Quilted Maple BODY: African Mahogany Pommele NECK: Laminate hard Maple and Wenge FRETBOARD: Ebony - frets steel - tension rod double action BRIDGE: ETS…
      • TeleTOP: Movingui BODY: de Caoba. NECK: Mahogany - Purple Head reforzaments BRIDGE: ETS TUNER: Hipshot PICKUPS: Bare Knuckle Estocolmo P90
      • Custom Movingui Cherryburst - Price 2700€TOP Movingui BODY Mahogany 1 piece NECK Mahogany - Maple - Wenge FRETBOARD Ebony Frets steel PICKUPS Rio Grande HARDWARE Schaller
      • Custom Quited Maple - Price 2700€TOP Quilted Maple A5 BODY Mahogany 1 piece NECK Mahogany - Maple bird eye - Wenge FRETBOARD Ebony Frets steel PICKUPS Rio Grande HARDWARE Schaller
      • M6 Cherryburst - Price 2600€TOP Movingui BODY Mahogany 1 piece NECK Maple FRETBOARD Ebony Frets steel PICKUPS Rio Grande HARDWARE Schaller
    • ComponentsWe care about the components always take your instrument to achieve maximum performance and maximum fidelity.