Detail 01
FSC-certified construction
The stated tonewoods and listed wood appointments are FSC-certified.
Product detailSKU #1500000479447
Martin00L Biosphere IV Acoustic Guitar - Emperor Penguin
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1/8
Independent shopping perspective
The Korena take
A purpose-driven sloped-shoulder 00 acoustic pairing FSC-certified tonewoods, a clear and balanced voice, and Robert Goetzl’s emperor-penguin artwork.
Strong match
Who this is for
- Players who value focused warmth, articulation, and controlled dynamics
- Fingerstyle players seeking an intimate sloped-shoulder 00 response
- Collectors drawn to conservation-focused design and custom artwork
Consider the trade-offs
When to look elsewhere
- Players seeking a non-steel-string instrument
- Left-handed players
- Those who require a hard case
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Scalloped Sitka spruce X-bracing
The guitar uses scalloped X-bracing made from FSC-certified Sitka spruce.
Detail 03
Modified Low Oval with High Performance Taper
This describes the stated neck profile and taper.
Detail 04
Custom ink top artwork
Robert Goetzl created artwork depicting an emperor penguin protecting its chick.
Final check
Know before you order
- 01This is a right-handed, six-string steel-string acoustic.
- 02It has a 24.9 in. scale length, 1.75 in. bone nut, and 20 frets.
- 03A softshell case is included.
- 04The release supports the Global Penguin Society.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What woods are used?
It has an FSC-certified Sitka spruce top, FSC-certified sapele back and sides, an FSC-certified select mahogany neck, and an FSC-certified ebony fingerboard and bridge.
02What body style is the 00L Biosphere IV?
It is a solid, sloped-shoulder 00 acoustic with a 14-fret neck joint.
03Who created the artwork?
The custom emperor-penguin artwork was created in collaboration with artist Robert Goetzl.
04Does it include a case?
Yes. A softshell case is listed.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
7 detailsPlayability
- Factory strings
- Martin Kovar MK12 Light
- Number of Frets
- 20
- Scale Length
- 24.9"
- Orientation
- Right handed
- Number of strings
- 6
- Number of frets
- 20
- Number of Strings
- 6
21 detailsBody & build
- Body construction
- Solid
- Neck meets body at
- 14th fret
- Neck material
- FSC-certified select mahogany
- Fingerboard material
- FSC-certified ebony
- Nut material
- Bone
- Brace material
- FSC-certified Sitka spruce
- Side material
- FSC-certified sapele
- Back material
- FSC-certified sapele
- Top material
- FSC-certified Sitka spruce
- Color
- Natural with custom ink top artwork
- Body Material
- Sitka spruce/Sapele
- Top Material
- FSC-certified Sitka spruce
- Saddle material
- Bone
- Neck finish
- Satin
- Neck Wood
- FSC-certified select mahogany
- Fingerboard Material
- FSC-certified ebony
- Bridge material
- FSC-certified ebony
- Body Shape
- Sloped-shoulder 00-14 fret
- Body finish
- Satin
- Neck joint
- Dovetail
- Body material
- Sitka spruce/Sapele
2 detailsSize & weight
- Nut width
- 1.75"
- Scale length
- 24.9"
23 detailsOther
- Bracing pattern
- Scalloped X-bracing
- Side dots
- Aluminum
- Neck profile
- Modified Low Oval
- Binding
- FSC-certified European flamed maple
- String type
- Steel
- Product type
- Acoustic guitar
- Color
- Natural with custom ink top artwork
- Korena Special
- false
- Tuning machines
- Nickel open-gear with butterbean knobs
- Orientation
- Right handed
- Bridge pins
- Bone
- Bridge
- Modern straightline drop-in saddle
- Inlays
- FSC-certified sapele 1955 Style 18
- Case
- Softshell
- Tier
- new
- Body style
- Sloped-shoulder 00-14 fret
- Body size class
- 00
- Category Source
- detail
- Series
- Biosphere
- Product Type
- Acoustic guitar
- Neck taper
- High Performance Taper
- Model
- 00L Biosphere IV
- Source Id
- site51500000479447
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