Some whisky releases are limited to thousands of bottles. Others to hundreds.
The GlenAllachie 17 Year Old 2008 The Octave Single Pedro Ximénez Sherry Cask #3050994 produced just 87 bottles.
Distilled at GlenAllachie in 2008 and independently bottled by Duncan Taylor in 2026, this 17-year-old Speyside single malt received a second maturation in a small Pedro Ximénez-seasoned octave cask before being bottled from cask #3050994 at a powerful 55.3% ABV.
That combination gives the whisky several strong points of interest at once: a 2008 vintage, 17-year age statement, single-cask provenance, cask-strength presentation, concentrated PX influence and an exceptionally small outturn.
The flavour follows accordingly, with raisins, fig jam, prunes, dates and molasses moving into chocolate, espresso, toasted almonds, orange zest, leather and warming spice.
For anyone searching for GlenAllachie 2008, GlenAllachie 17 Year Old, Duncan Taylor The Octave, PX sherry GlenAllachie or rare single-cask Speyside whisky, this is one of the more concentrated releases within the wider GlenAllachie collection at HTFW.
Explore GlenAllachie 17 Year Old 2008 The Octave Cask #3050994 at Hard To Find Whisky.
GlenAllachie 17 Year Old The Octave at a Glance
- Distillery: GlenAllachie
- Independent bottler: Duncan Taylor
- Collection: The Octave
- Region: Speyside
- Type: Single Malt Scotch Whisky
- Vintage: 2008
- Age: 17 Years Old
- Bottled: 2026
- Cask: Pedro Ximénez-seasoned Octave
- Cask number: #3050994
- ABV: 55.3%
- Bottle size: 70cl
- Number bottled: Just 87
- Style: Cask-strength single cask
- Key flavours: Raisin, fig, prune, date, molasses, chocolate, espresso, almond, orange and spice.
What Is GlenAllachie The Octave 17 Year Old?
This is an independently bottled GlenAllachie, rather than an official distillery bottling.
That distinction matters.
The spirit was distilled at GlenAllachie in 2008, but the cask was selected, matured further and bottled by Duncan Taylor as part of its long-running The Octave collection.
Duncan Taylor's approach with The Octave involves taking mature whisky from its original cask and transferring it into a much smaller octave for a second maturation. The bottler describes this additional period as a way of expanding and refining the whisky's colour, flavour and character.
For cask #3050994, the octave was seasoned with Pedro Ximénez sherry.
That means it is important not to describe this whisky as having spent its entire 17 years in a PX octave.
It did not.
The Octave process is a secondary maturation or finish, allowing already mature GlenAllachie spirit to receive an intense final interaction with PX-seasoned oak.
What Exactly Is an Octave Cask?
An octave is a very small maturation cask.
Duncan Taylor has experimented extensively with these vessels, with the modern Octave programme using casks typically around 40–50 litres in size – dramatically smaller than conventional whisky barrels or sherry butts.
Why does that matter?
Because smaller casks have a much greater wood-to-liquid ratio.
A larger proportion of the whisky is close to the oak at any given time.
That can accelerate the extraction of:
- Sherry-derived fruit
- Oak spice
- Tannins
- Colour
- Vanilla
- Toasted wood character
The objective is not simply to make the whisky taste more woody.
Duncan Taylor describes the second maturation as a way of refining and expanding an already mature whisky, rather than replacing its underlying distillery character.
With only 87 bottles emerging from this particular octave, the tiny scale of the cask becomes immediately tangible.
Why Pedro Ximénez?
Pedro Ximénez – usually abbreviated to PX – has become one of the most recognisable sherry influences in modern whisky.
Its flavour contribution tends towards the darker and sweeter end of sherry maturation.
GlenAllachie's own Master Distiller Billy Walker describes PX casks as particularly associated with sticky raisins, plums and dark red fruits, compared with the nuttier dried-fruit and chocolate character generally associated with Oloroso.
In this Duncan Taylor bottling, that PX influence is particularly concentrated.
HTFW's tasting profile shows:
- Raisin
- Fig
- Prune
- Date
- Molasses
- Chocolate
- Caramelised sweetness
alongside espresso, almonds, orange zest, oak and spice.
The small octave cask gives those flavours a particularly strong final push.
What Does GlenAllachie 17 Year Old PX Octave Taste Like?
This is a rich, dessert-like GlenAllachie rather than a delicate Speyside malt.
Colour
Deep dark amber, with copper highlights and mahogany-toned edges.
That deep colour immediately hints at the influence of the PX-seasoned octave.
Nose
The nose is dominated by dark sherry fruit:
- Raisins
- Fig jam
- Prunes
- Dates
- Orange zest
Behind the fruit come:
- Molasses
- Cocoa
- Milk chocolate
- Espresso
- Toasted almond
- Vanilla
- Seasoned oak
- Leather
- Caramelised sugar.
It is a distinctly opulent profile.
The fruit is heavy and concentrated, but orange zest, espresso and oak provide enough contrast to stop it becoming one-dimensional.
Palate
The palate is silky, full-bodied and powerful.
Expect:
- Raisin
- Fig
- Date
- Molasses
- Cacao
- Espresso
- Leather
- Toasted almond
before the spices begin to build:
- Cinnamon
- Clove
- Nutmeg.
At 55.3% ABV, there is considerably more weight and concentration than in a standard-strength GlenAllachie.
Finish
The finish is long and strongly PX-led.
Raisin, prune and fig remain at the centre, surrounded by:
- Dark chocolate
- Orange zest
- Toasted oak
- Cinnamon
- Clove.
The overall impression is appropriately dessert-like, but with enough oak and spice to provide structure.
Why 55.3% ABV Matters
The whisky is bottled at 55.3% ABV.
That matters because The Octave is not trying to create the same experience as the GlenAllachie 15 Year Old at 46% ABV.
This is a single-cask release where concentration is part of the attraction.
At the higher strength:
- PX fruit feels denser.
- Chocolate becomes darker.
- Spices carry more force.
- Oak is more prominent.
- Texture becomes heavier.
It also leaves room for the drinker to experiment with water rather than having the dilution decided entirely before bottling.
Only 87 Bottles
The outturn is arguably the most striking number on the entire specification.
87 bottles.
That is a fundamentally different proposition from a batch-produced single malt.
Once cask #3050994 has been bottled, the exact combination cannot simply be reproduced.
A future GlenAllachie Octave might use:
- A different vintage
- A different original maturation
- Another octave
- Another sherry seasoning
- A different strength
- Another maturation period
and the result would inevitably differ.
That is the essence of single-cask whisky.
The cask number is not just administrative information.
It identifies the whisky.
Why the 2008 Vintage Is Interesting
This whisky was distilled in 2008, nine years before Billy Walker, Trisha Savage and Graham Stevenson acquired GlenAllachie from Chivas Brothers in 2017.
That makes this an interesting bottle historically.
The spirit itself comes from the pre-Billy Walker era of GlenAllachie.
At the time it was distilled, GlenAllachie's purpose was still predominantly supplying whisky for blends rather than building the prominent single-malt identity it has today. The distillery confirms that its first cohesive core range of GlenAllachie single malts did not launch until 2018, following the change of ownership.
So this bottle brings together two periods:
2008 GlenAllachie distillate from the blending-focused era
with
a 2026 independent PX octave treatment from Duncan Taylor.
That makes it very different from a contemporary official GlenAllachie created under Billy Walker's current wood-management programme.
GlenAllachie Before and After 2017
GlenAllachie was built in 1967, with its first production run beginning in 1968. It was designed by William Delmé-Evans and originally constructed by Mackinlay McPherson.
For decades, much of its output disappeared into blends.
That changed in 2017 when Billy Walker, Trisha Savage and Graham Stevenson acquired the distillery. Nine months later, the first core single-malt range under the new ownership appeared.
Under Walker, sherry maturation has become particularly important.
The distillery explicitly describes its modern house identity as increasingly sherry-led, with Walker saying the intention was to establish a recognisable sherry-style DNA for GlenAllachie.
That creates an interesting coincidence with this independent bottle.
Duncan Taylor's PX treatment fits remarkably naturally with the style now associated with GlenAllachie – even though the actual spirit was distilled almost a decade before Walker took control.
Who Is Duncan Taylor?
Duncan Taylor is an independent whisky merchant and bottler established in 1938.
The company describes itself as holding one of the largest privately owned collections of Scotch whisky casks and has built its reputation around selecting and independently bottling spirit from numerous Scottish distilleries.
Its ranges include:
- The Octave
- Single Cask bottlings
- Dimensions
- Rare and aged releases
- Blended Scotch projects
For the GlenAllachie featured here, Duncan Taylor controls the final identity of the release.
The distillery produced the spirit.
Duncan Taylor selected and bottled the cask.
That is the central relationship in independent bottling.
You can explore more releases through the Duncan Taylor collection at HTFW.
Why Duncan Taylor Uses Octave Casks
Duncan Taylor has been experimenting with octave maturation since 2003, using small casks to give mature whisky a concentrated second maturation. Industry reporting places these casks at roughly 40–50 litres.
The small cask creates greater interaction between spirit and wood.
But the objective is not simply maximum oak extraction.
Duncan Taylor says the octave is intended to gently expand the whisky's flavour profile while preserving balance.
This particular GlenAllachie illustrates the concept clearly.
The 17-year-old spirit already had maturity.
The PX octave then layers on:
dried fruit, molasses, chocolate, nuts and spice.
GlenAllachie 17 Year Old PX Octave vs 14 Year Old Octave #3037349
HTFW carries another particularly useful comparison:
GlenAllachie 14 Year Old 2008 The Octave Single Cask #3037349.
Both releases were:
- Distilled in 2008
- Bottled by Duncan Taylor
- Released through The Octave
- Single-cask GlenAllachie
- Bottled at high strength.
But there are important differences.
17 Year Old Cask #3050994
- 17 Years Old
- Pedro Ximénez Octave
- 55.3% ABV
- 87 bottles
- Heavy raisin, fig, chocolate and molasses profile.
14 Year Old Cask #3037349
- 14 Years Old
- Oloroso sherry Octave
- 53.8% ABV
- 85 bottles.
For anyone particularly interested in The Octave, these make an unusually direct comparison.
Same distillery.
Same 2008 vintage.
Similar tiny outturns.
But different ages and different sherry influence.
PX vs Oloroso GlenAllachie
Another useful comparison is the GlenAllachie 17 Year Old 2009 Single Oloroso Sherry Cask #1426.
It is also:
- 17 Years Old
- High strength
- Single cask
- Sherry influenced
but uses Oloroso rather than PX and is bottled at 53% ABV.
The comparison highlights the broad differences between the two sherry styles.
Billy Walker characterises Oloroso casks as tending towards:
- Dried fruits
- Cinnamon
- Nutty chocolate
while PX tends more towards:
- Sticky raisins
- Plum
- Dark red fruit.
The target PX Octave #3050994 pushes firmly towards the richer, darker side.
The Octave vs Duncan Taylor Dimensions
There is also another Duncan Taylor GlenAllachie from the same vintage at HTFW:
GlenAllachie 12 Year Old 2008 Duncan Taylor Dimensions Single Cask #309007931.
That whisky was bottled at 54.3% ABV and also offers an independently bottled interpretation of 2008 GlenAllachie.
The key difference is the bottling concept.
Dimensions showcases Duncan Taylor's broader single-cask inventory.
The Octave specifically focuses on the effect of the additional small-cask maturation.
For anyone exploring independent GlenAllachie, tasting the two styles side by side would show just how strongly the bottler's maturation decisions can alter spirit from the same distillery and vintage.
How Does It Compare With GlenAllachie 15 Year Old?
The official GlenAllachie 15 Year Old is perhaps the clearest benchmark for the modern distillery style.
It is bottled at 46% ABV and uses sherry maturation to create notes of dark cherry, golden syrup, figs, cocoa, ginger, caramelised sugar and heather honey.
Billy Walker has specifically pointed to the 15 Year Old as a representative example of the modern GlenAllachie sherry style.
The comparison is instructive:
GlenAllachie 15
- Official distillery bottling
- 46% ABV
- Designed for a consistent house style
- Sherry-led but balanced
GlenAllachie 17 PX Octave
- Independent Duncan Taylor bottling
- Single cask
- 55.3% ABV
- Just 87 bottles
- Much more concentrated PX influence
The 15 Year Old tells you what modern GlenAllachie wants its house whisky to taste like.
The Octave tells you what one individual 2008 cask can become when Duncan Taylor takes it in a different direction.
How Rare Is Cask #3050994?
Extremely.
Only 87 bottles were produced.
Its collector appeal comes from the combination of:
- Single-cask provenance
- 2008 vintage
- 17-year age statement
- Duncan Taylor independent bottling
- The Octave collection
- Pedro Ximénez-seasoned octave
- Cask #3050994
- 55.3% ABV
- 87-bottle outturn
There is nothing speculative about that scarcity.
The outturn is defined by the physical volume available from one very small cask.
Whether that ultimately translates into future resale value is impossible to guarantee, but as a whisky release it is objectively tiny.
Is It Cask Strength?
Yes.
HTFW identifies the GlenAllachie 17 Year Old as a cask-strength single-cask bottling at 55.3% ABV.
That makes sense within Duncan Taylor's Octave philosophy.
Reducing a tiny 87-bottle cask substantially before release would soften the very intensity that makes it distinctive.
Instead, the drinker receives the whisky in a more concentrated form and can decide whether to add water.
How Should You Drink GlenAllachie 17 Year Old PX Octave?
Start neat, but keep water nearby.
At 55.3% ABV, the whisky has enough strength that a small amount of dilution can substantially change its profile.
A useful approach is:
- Pour a small measure into a tulip-shaped glass.
- Give the whisky 10 minutes to rest.
- Nose it without adding water.
- Look first for raisin, fig, prune and date.
- Taste for molasses, chocolate, espresso and almond.
- Add several drops of water.
- Return to the glass for orange, spice, oak and softer fruit.
Do not assume higher strength automatically means water is required.
Taste first.
The interesting part is deciding how much of the concentrated PX character you want to preserve.
Frequently Asked Questions
How old is GlenAllachie The Octave Cask #3050994?
It is 17 Years Old.
What vintage is it?
The whisky was distilled in 2008.
When was it bottled?
It was bottled in 2026 by Duncan Taylor.
What is the cask number?
The single octave is cask #3050994.
What percentage is it?
It is bottled at 55.3% ABV.
How many bottles were produced?
Only 87 bottles were drawn from the cask.
Is this an official GlenAllachie bottling?
No. It was distilled at GlenAllachie but independently bottled by Duncan Taylor for The Octave collection.
Did it spend all 17 years in Pedro Ximénez wood?
No. The Octave collection uses a second maturation, transferring mature whisky from its original cask into a smaller octave. This release received its final maturation in a PX-seasoned octave.
What does it taste like?
Expect raisins, fig jam, prunes and dates with molasses, chocolate, espresso, toasted almonds, orange zest, leather, oak, cinnamon, clove and nutmeg.
What is an octave cask?
Duncan Taylor's octave casks are very small maturation vessels, typically around 40–50 litres, used for an additional period of maturation designed to intensify and refine mature whisky.
Was this spirit made under Billy Walker?
No. The spirit was distilled in 2008. Billy Walker, Trisha Savage and Graham Stevenson acquired GlenAllachie in 2017.
Where can I buy GlenAllachie 17 Year Old The Octave?
You can view GlenAllachie 17 Year Old 2008 The Octave PX Cask #3050994 at Hard To Find Whisky.
Final Thoughts
The GlenAllachie 17 Year Old 2008 The Octave Single PX Cask #3050994 brings together three stories particularly well.
First, there is GlenAllachie.
The spirit was distilled in 2008, when the distillery was still primarily associated with supplying whisky for blends rather than the single-malt identity it developed following its 2017 acquisition.
Then there is Duncan Taylor.
The independent bottler takes that mature spirit and applies its distinctive Octave approach: a second maturation in a dramatically smaller cask designed to intensify interaction with the wood.
Finally, there is Pedro Ximénez.
The PX-seasoned octave pushes the whisky towards:
raisin.
Fig.
Prune.
Date.
Molasses.
Chocolate.
Espresso.
before toasted almonds, orange zest, leather, oak and warming spice bring balance.
And all of that comes from one cask yielding only 87 bottles at 55.3% ABV.
Those wanting to explore the idea further can compare it with the 2008 14 Year Old The Octave Cask #3037349, the 2008 Duncan Taylor Dimensions 12 Year Old or the 17 Year Old 2009 Oloroso Cask #1426.
For the more familiar modern house style, the GlenAllachie 15 Year Old provides the obvious benchmark.
But cask #3050994 is something much narrower and more individual:
17-year-old GlenAllachie, one tiny PX-seasoned octave, and only 87 opportunities to bottle the result.
Explore GlenAllachie 17 Year Old 2008 The Octave at HTFW or browse the wider GlenAllachie collection at Hard To Find Whisky.
