DiMarzio Gravity Storm Guitar Pickups for Steve Vai
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DiMarzio Gravity Storm vs Seymour Duncan Alternative 8 (SH-15)

DiMarzio Gravity Storm
bridge humbucker
81 match
high confidence

Seymour Duncan Alternative 8 (SH-15)
bridge humbucker
Compared with the DiMarzio Gravity Storm, the Seymour Duncan Alternative 8 (SH-15) has an Alnico VIII magnet (punchier, more aggressive) and a brighter top end.
Specs side by side
differs marks specs where they part ways| Spec | DiMarzio Gravity Storm | Seymour Duncan Alternative 8 (SH-15) |
|---|---|---|
| DC resistancediffers | 15.19k | 17.68k |
| Inductancediffers | 8.25 H (measured, 1 reading) | 8.18 H (measured, 1 reading) |
| Magnetdiffers | Alnico 5 | Alnico 8 |
| Coil | Hum-cancelling | Hum-cancelling |
| Resonant peakdiffers | — | 4.46 kHz (Seymour Duncan's own test load) |
| Bass (tone chart)differsEach maker grades its own chart, so read these within a brand | 8 / 10 | 7 / 10 |
| Mids (tone chart)differsEach maker grades its own chart, so read these within a brand | 8.5 / 10 | 8 / 10 |
| Treble (tone chart)differsEach maker grades its own chart, so read these within a brand | 3 / 10 | 9 / 10 |
| Slot | bridge humbucker | bridge humbucker |
| Traits | high output, dark, mid-forward, big low end | high output, bright, mid-forward, big low end, tight & aggressive |
How close on each spec
100 means identical on that spec. The score weighs these, and counts anything we couldn't compare as a typical difference. How scoring works
Output
99
measured inductance
Magnet
70
Alnico 5 vs Alnico 8
Coil
100
same coil type
Brightness
0
each against its maker's average
Mids
82
each against its maker's average
Bass
94
each against its maker's average
Videos
DiMarzio Gravity Storm
Steve Vai - "Gravity Storm" Preview from his upcoming solo album "The Story of Light"
Seymour Duncan Alternative 8 (SH-15)
Alternative 8 Humbucker: Metal Demo
Alternative 8 High-Output Pickup
What players and reviewers say
On the DiMarzio Gravity Storm
“If you are looking for high mid crunch forget the Gravity Storm, I have that set in one of my guitars and it is a lot of lows and low mids with a rolled back high end.”
“However, to say the gravity storm will have scooped mids because it has an A5 is a stretch, as the Tone Zone example proves.”
On the Seymour Duncan Alternative 8 (SH-15)
“In the tone chart I´ve seen the TB15 Alternative 8 wich is Alnico (tone) and seems to have the same highs that the JB has but It has more mids and lows too..”
“So I got an Alternative 8 in My SG and I am finding it to be a bit aggressive on the high end and upper mids..”