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Cool 90

Single – “Cool 90” P90 NZ$189 for NZ customers, if you’re overseas it’s GST free; NZ$164.35

Pair – “Cool 90” P90 NZ$369 for NZ customers, if you’re overseas they’re GST free; NZ$320.87

Neck- 6.4 KOhms, 5.45H, Alnico II. Bridge 7.25 KOhms, 6.42H, Alnico II

The Cool 90 is a P90 based pickup available in both Dogear and Soapbar. Designed with Jazz and Blues players in mind it produces a clear, full, well balanced tone. Never harsh, always full and musical.

The bridge pickup has an organic sound with a lower mid push ideally suited to dynamic lead lines and tight rhythm playing.

The neck pickup is clear and chiming with enough clarity to always be heard in the mix. It has that lovely woody tone especially in an archtop.

Cool 90 Guitar Pickup from Mr Gyn's Pickups

For ‘full fat’ P90 tones have a look at our “Sassy” P90 pickup set.

Cool 90 alnoco 2 P90's available in dogear or soapbar
cool 90 Mr Glyn's pickups low powered P90 set

The Cool 90 Story

Like many of my pickups the Cool 90 started with a repair job. A customer sent be a faulty Gibson P90 out of a 1955 Les Paul Junior. Naturally, I took measurements and completely analyzed every detail of it. Unlike the information in the books (and internet) it had less windings and Alnico II magnets instead of Alnico V.

And what a great sounding pickup it was.

I decided to make my own version of it to compliment the ‘Sassy” P90 pickup I was already making. The Sassy has the classic “full fat” P90 tone, plenty of growl and cut through.

The idea behind the “Cool 90” was to make a lower powered version for the cleaner player. Still keeping the classic P90 character but with less grunt.

Cool 90 soapbar P90 set with alnico 2 magnets
Roboguy Logo - Cool 90

I also make a humbucker size P90 set – the “Black Sand” if you need some P90 goodness in your humbucker guitar, here’s a link to them: https://mrglynspickups.com/2020/03/29/black-sand-humbucker-sized-p90-neck/

For a full range of demo videos of Mr Glyn’s pickups go to my YouTube channel https://www.youtube.com/c/MrGlynsPickups/featured

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Les Paul Jr P90 from 1955

When I was contacted about repairing a Les Paul Jr P90 from 1955 I was naturally very keen.

P90’s are very interesting pickups. They have a single wide flat coil usually of around 10,000 turns of AWG 42 wire but the really fascinating aspect is the magnets. They have 2 bar magnets underneath the pickup (a PAF just has one) causing a much wider magnetic field than other single coil pickups.

To put it simply – P90’s hear more string than other pickups. Hearing more string gives a fuller, fatter sound and that distinctive woody P90 tone. Not everyone likes them but those of us that do absolutely love them.

I make my own version of the P90 called the ‘Sassy’. It’s a full fat version of the P90 with alnico 5 magnets with all the warmth and plenty of grunt that you find in the old Gibsons.

So I’m always interested to have a good look at a genuine vintage pickup especially from a Les Paul Jr P90 from 1955. I’m a big fan of the Juniors.

P90 Les Paul Junior 1955.

The pickup was sent to me because it wasn’t working and both the customer and myself suspected it might need a re-wind but I never jump to conclusions. It could be just a dry joint on one of the hookup wires – always worth checking.

1955 P90 pickup underneath

As you can see the hook up wires look a bit scruffy so I re-solder and test, remove the wires and test, remove the tape and test – still nothing. The next step is to start removing a few layers of the winding wire just in case there’s a break. There was no obvious break. The problem was deeper inside the pickup – this one is a re-wind.

vintage guitar pickup. P90 1955

Now, I talked about magnets earlier, take a look at these two. Firstly they’re wonky. Some amazing Gibson vintage tonal secret or just being a bit sloppy in the factory? Probably the latter.

But for me the most interesting part is they’re rough cast alnico 2. For this era I was expecting Alnico 5.

Alnico rough cast P90

Alnico 2 have a smoother, purer sound than the more powerful rougher sounding alnico 5’s.

So after I re-wound this lovely old pickup I started experimenting. I started winding P90’s with Alnico 2 magnets and from that was born a new pickup set in my range – the “Cool 90″.

Vintage P90 plain enamel wire

It’s cleaner than the Sassy, less grunty but still full and fat sounding.

Ideas can come from anywhere. It reminds me of the quote from Picasso – “Inspiration exists, but it has to find you working”

Gibson P90 vintage no cover
Roboguy Logo

Here’s the ‘Sassy” – https://www.youtube.com/watch?v=jcspPYHKE_c

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‘Sassy’ P90 skateboard lap steel

The Sassy is a traditional full fat P90 pickup by Mr Glyn's Pickups

Been having some fun making a pickup demo using a skateboard lap steel.

The Mr Glyn’s “Sassy” P90 is a pickup set influenced by the Gibson P90’s of the late 50’s. The “Sassy” have a distinctive woody aggressive tone, full of character. The highs are smooth yet punchy, there’s a chiming bottom end and a very obvious mid range that pushes through the mix. If you tickle the strings they’re clean and clear but dig in and there’s no shortage of power to drive the front end of your amp.

I’ve grown to love P90’s over the years, it’s the sound of those early Gibson Les Paul Juniors. It’s a pickup that needs no extras, just straight into a good amp. They’re happy to power pedals but there’s a fullness and balance that seems to need nothing else.

I wanted the “Sassy” P90 set to live up to its name and have the dynamic range that I love about P90’s. The wide flat coil of a P90 gives a richer, less percussive tone than other single coil pickups and this is where the full tone comes from. I’ve sat both neck and bridge pickups on top of a pair of Alnico V magnets to give the power this pickup needs and help add that bit of grit when played hard.

I’ve made the neck pickup smooth and fat but with clarity and chime enough for jazz. The bridge pickup has the dynamics, pushy mids and aggressive highs when pushed but cleans up when you ask it to.

This is a pickup set that would be happy in almost any situation, blues, rock, punk, reggae… If it’s a full bodied, dynamic P90 you’re after look no further.

The Sassy is available in Dogear and Soapbar. https://mrglynspickups.com/mr-glyns-pickup-store/sassy-p90-set/

I’ve named this set the “Sassy” P90 set to reflect these pickup’s attitude, they’re bold, spicy, disrespectful and a bit cheeky. https://www.youtube.com/watch?v=iJtZkIbaCZU

Sassy P90 dogear black. A full fat P90 from M Glyn's Pickups

skateboard lap steel

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“Black Sand” humbucker size P90

Humbucker side P90 by Mr Glyns Pickups

A big thanks to Brett Kingman in Aussie for his demo of Mr Glyns “Black Sand” humbucker size P90. I love his relaxed approach while giving us a thorough listen to what these pickups can do.

Mr Glyns Pickups

The humbucker sized P90 is a great pickup – it sits tonally between a humbucker and and a strat type pickup. If your neck humbucker is a bit thick and woolly sounding for you, you want more clarity, or just want a different tone, then this one may be the answer. The physical size of this pickup is identical to that of a “normal” humbucker so it will pop straight in.

P90’s are different to other single coil pickups. They have a wide, flat coil similar to that of a Jazzmaster but the magnetic field is a very different shape. Fender single coil pickups have the coil wound around the magnet giving a focused, precise percussive sound. A P90 has 2 bar magnets underneath the coil; this broadens the magnetic window allowing the pickup to listen to a bit more string and thickens the sound. I chose Alnico V bar magnets for this model to help give some grit and power characteristic of a P90.

Of course, too much power and the pickup would sound too thick and bass heavy which is not its purpose. Too little power and it just won’t snarl.

Humbucker sized P90s are such a useful pickup. They sit tonally between a single coil and a humbucker (roughly speaking). and their physical size means they pop straight into any humbucker equipped guitar.


The development of my “Black Sand” pickup was a bit backwards. Usually I make a bridge pickup first and work from there but with this one the neck pickup came first. I had a customer ask for a neck pickup for an es335 to sound clearer than his existing Gibson humbucker. I sold a few neck pickups before thinking it would be a good idea to have a set. So I started work on the bridge pickup.


I wanted this bridge pickup to have clarity in the lower mids to stand out from humbuckers while having enough power to grit up nicely. I wanted it to be clean when tickled and to growl at you when you dig in. P90’s are all about dynamics. It had to match the existing neck pickup or work well as a stand alone in a HSS situation.


Of all the pickups in my range this one came together the quickest. There were only 4 or 5 prototypes and I was happy. Experience and intuition combined with a notebook where I’ve written down details of every experimental pickup I’ve made since 1995.

There were a load of prototypes in and out of a Les Paul, Tele Delux and PRS, through different amps and in the hands of different players. I never trust just my own ears with my pickups. I like to get opinions and suggestions from a few players before making any final decisions. I listen to what players say and I adjust prototypes accordingly, but at the end of the day the final decision is mine. I’m always aware of the phrase “a camel is a horse designed by committee”.

It took a while to get this one right. A pickup would sound great at workshop volume, them I’d play it in a band situation and it would be too boomy, too much like a humbucker. So I’d have a think and make another. In the end persistence paid off.

The pickups I finally settled on went into my Les Paul and off to a gig for the ultimate test, and that’s where they’re staying.

The neck “Black Sand” is a great match for either my “Integrity” or “Cloud Nine” bridge humbuckers or as a set with its equivalent “Black Sand” bridge humbucker sized P90.

I agonised over what to call this pickup set. I wanted a name that would reflect the apparent contradiction in P90’s. From the perspective of a humbucker player they are clear and chiming. From the viewpoint of a single coil player they are powerful and gritty. They’re one thing while looking like another. I wanted a oxymoron to reflect this contradiction, one that might include the unique magnetic structure that gives the P90 its character. So I went for a run along Muriwai beach to think. And there it was staring me in the face (literally). Muriwai has black volcanic sand due to its iron content and it’s magnetic. So I’ve called this set “Black Sand”.

I’m very happy with this pickup – hopefully you will be too.

Humbucker size P90 by Mr Glyns Pickups
Mr Glyns Pickups humbucker size P90
Mr Glyns Pickups
Mr Glyns Pickups

humbucker size P90 https://mrglynspickups.com/2020/03/29/black-sand-humbucker-sized-p90-neck/ https://www.youtube.com/c/MrGlynsPickups/videos

https://www.youtube.com/c/MrGlynsPickups/videos

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It’s new demo day – Sassy P90

P90 by Mr Glyns Pickups

Thanks to Nik Dobbin for his demo of the Sassy P90 . I love his no-nonsense approach to demos.

You can find more of his gear demos here: https://www.youtube.com/user/zaulkin/…

The Mr Glyn’s “Sassy” P90 is a pickup set influenced by the Gibson P90’s of the late 50’s. The “Sassy” have a distinctive woody aggressive tone, full of character. The highs are smooth yet punchy, there’s a chiming bottom end and a very obvious mid range that pushes through the mix. If you tickle the strings they’re clean and clear but dig in and there’s no shortage of power to drive the front end of your amp.

I’ve grown to love P90’s over the years, it’s the sound of those early Gibson Les Paul Juniors. It’s a pickup that needs no extras, just straight into a good amp. They’re happy to power pedals but there’s a fullness and balance that seems to need nothing else.

I wanted the “Sassy” P90 set to live up to its name and have the dynamic range that I love about P90’s. The wide flat coil of a P90 gives a richer, less percussive tone than other single coil pickups and this is where the full tone comes from. I’ve sat both neck and bridge pickups on top of a pair of Alnico V magnets to give the power this pickup needs and help add that bit of grit when played hard.

I’ve made the neck pickup smooth and fat but with clarity and chime enough for jazz. The bridge pickup has the dynamics, pushy mids and aggressive highs when pushed but cleans up when you ask it to.

This is a pickup set that would be happy in almost any situation, blues, rock, punk, reggae… If it’s a full bodied, dynamic P90 you’re after look no further.

The Sassy is available in Dogear and Soapbar.

I’ve named this set the “Sassy” P90 set to reflect these pickup’s attitude, they’re bold, spicy, disrespectful and a bit cheeky. https://mrglynspickups.com/

sassy soapbar
Sassy P90
Sassy P90 by Mr Glyns Pickups
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“Sassy” P90

Single – “Sassy” P90 NZ$189 for NZ customers, if you’re overseas it’s GST free; NZ$164.35

Pair – “Sassy” P90 NZ$369 for NZ customers, if you’re overseas they’re GST free; NZ$320.87

Alnico V, Neck- 6.7 KOhms, 4.42H, Bridge 7.55 KOhms, 5.23H

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The Mr Glyn’s “Sassy” P90 is a pickup set influenced by the Gibson P90’s of the late 50’s. The “Sassy” have a distinctive woody aggressive tone, full of character. The highs are smooth yet punchy, there’s a chiming bottom end and a very obvious mid range that pushes through the mix. If you tickle the strings they’re clean and clear but dig in and there’s no shortage of power to drive the front end of your amp.

I’ve grown to love P90’s over the years, it’s the sound of those early Gibson Les Paul Juniors. It’s a pickup that needs no extras, just straight into a good amp. They’re happy to power pedals but there’s a fullness and balance that seems to need nothing else.

I wanted the “Sassy” P90 set to live up to its name and have the dynamic range that I love about P90’s. The wide flat coil of a P90 gives a richer, less percussive tone than other single coil pickups and this is where the full tone comes from. I’ve sat both neck and bridge pickups on top of a pair of Alnico V magnets to give the power this pickup needs and help add that bit of grit when played hard.

I’ve made the neck pickup smooth and fat but with clarity and chime enough for jazz. The bridge pickup has the dynamics, pushy mids and aggressive highs when pushed but cleans up when you ask it to.

This is a pickup set that would be happy in almost any situation, blues, rock, punk, reggae… If it’s a full bodied, dynamic P90 you’re after look no further.

The Sassy is available in Dogear and Soapbar.

I’ve named this set the “Sassy” P90 set to reflect these pickup’s attitude, they’re bold, spicy, disrespectful and a bit cheeky.

"Sassy" P90 Mr Glyns Pickups
Sassy dogear cream
"Sassy" P90 Mr Glyns Pickups
Sassy dogear black
"Sassy" P90 Mr Glyns Pickups
Sassy soapbar cream
"Sassy" P90 Mr Glyns Pickups
Sassy soapbar black

I also make a humbucker size P90 set – the “Black Sand” if you need some P90 goodness in your humbucker guitar, here’s a link to them:

/https://mrglynspickups.com/2020/03/29/black-sand-humbucker-sized-p90-neck/

https://www.youtube.com/c/MrGlynsPickups/videos

Robot