SKU: 2831495634

WallyTools Zenith Adjustment Device

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Description

WallyTools Zenith Adjustment DeviceWallyZenith Zenith Adjustment Device Do you know your zenith error? Correct it! Years ago, we were instructed to align our cartridge body at the protractor null points to achieve ideal alignment. Later, Wally Malewicz gave us the original WallyTractor and a way to improve upon this by aligning the cantilever at the null points while also removing parallax error. However, we haven't had a way to align that which REALLY matters when setting your stylus

WallyZenith

Zenith Adjustment Device

Do you know your zenith error? Correct it!

Years ago, we were instructed to align our cartridge body at the protractor null points to achieve ideal alignment. Later, Wally Malewicz gave us the original WallyTractor and a way to improve upon this by aligning the cantilever at the null points while also removing parallax error.

However, we haven't had a way to align that which REALLY matters when setting your stylus/cantilever assembly for ideal horizontal alignment: the contact facets of the stylus that read the groove walls. 

Your cartridge is in perfect alignment on the horizontal plane when a line drawn between the two contact facets form a straight line pointing at the center of the record. This straight line SHOULD be perfectly perpendicular to the cantilever - which is MUCH easier for us to see and therefore align for optimum playback quality.

However, most all high-end cartridge manufacturers work with +/-5 degrees of tolerance with their stylus mount accuracy - though we have seen as much as 14 degrees off of perpendicularity with the cantilever. This means that even though you aligned your cantilever perfectly at the null points, your stylus could be badly out of alignment - completely nullifying your best efforts to achieve minimum tracing distortion.

This zenith error (which, as a function of visual alignment is alternatively referred to as angular error) can cause you to experience quite audible tracing distortions without being aware of it. You are not likely to notice that the soundstage isn't as wide and deep as it should be. Nor will you notice the imaging isn't as pinpoint as it could be. If your stylus isn't properly oriented in the groove, dynamics will be muted, high-frequency extension dulled and the "suppleness" that vinyl playback is known for is just not what it could be if the zenith error were corrected for. 

For now, the only way to measure your stylus zenith error is with very high quality microscopy like that which we use in our Cartridge Analysis Service. However, we are currently working on a method that would allow anyone to measure zenith error at home. 

The solution to MEASURE zenith error is coming in 2022!

The WallyZenith is for use when you already know what your stylus/cantilever zenith error is and wish to make a corrective alignment. It is possible, though a bit tedious, to use the WallyZenith as a measurement tool for zenith error. It is a bit tedious as it involves repeated listening and subjective assessment. WallyZenith is a corrective tool first and foremost. 

In addition to offering the ability to align the stylus contact edges to be perfectly parallel with the record radius and thereby read the left and right channel grooves simultaneously, the WallyZenith allows the user to align for ideal cartridge azimuth BEFORE aligning the cantilever.

Using either the WallyReference (or the customized shim included with the WallyTools Cartridge Analysis service) to quickly and easily align azimuth followed by an alignment of the cantilever with the WallyZenith saves an enormous amount of time and hassle and ensures maximum playback optimization with the greatest accuracy and ease.

Videos

Stylus Zenith Error – What is it? Why is it a problem? How common is it?

Reviews

Michael M, USA

It’s easy to hear the benefits of corrected zenith. The high frequencies become clearer. Soundstage is much better defined. It’s sound like everything is “in phase”. With WAM Engineering-corrected SRA, azimuth and zenith my analog setup has never sounded this clean, well-defined and three dimensional.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 2831495634

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4.1 ★★★★★
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TX Girl
Birmingham, US
★★★★★ 5
Less chemicals than others and it works! Need to sell a larger version however!
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 0.49 Ounce (Pack of 1)
Easy application and excellent for sun protection! One of the "cleaner" ones with less chemicals, but could be cleaner. The tube is very small, so we only use this for face and use Alba Botanica for body. Last time swimming for 1.5 hours, did not burn, while friends who used other sunscreens on their faces were sunburned. Coppertone, please make a bigger tube!
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Reviewed in the United States on June 11, 2025
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Verified Purchase
Lhab
Dallas, US
★★★★★ 5
Good stuff
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 0.49 Ounce (Pack of 1)
Good product! Works as it should and the stick in convenient.
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Reviewed in the United States on April 17, 2026
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Erica Fletcher
Lexington, US
★★★★★ 5
Was NOT Moana themed
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 0.49 Ounce (Pack of 1)
Worked perfectly for our Disney trip. Fit well in our fanny packs. Kind of greasy, but its hard to get away from that with sunscreen. Be advised, though, it was NOT Moana. It was just a regular stick. My kids were a little disappointed.
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Reviewed in the United States on February 8, 2026
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Verified Purchase
Ashley
Alexandria, US
★★★★★ 4
Perfect little sunscreen
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 0.49 Ounce (Pack of 1)
Easy for my son to apply himself at summer camp. Compact size for his backpack. Only downfall is it goes on white until fully rubbed in, which is normally fine but when my son is trying to get his face himself at camp it is hard for him. Wish it went clear on its own.
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Reviewed in the United States on December 26, 2025
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Sarah Dugre
Louisville, US
★★★★★ 5
Works very well
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 0.49 Ounce (Pack of 1)
Sent this with my daughter to preschool application was very easy for the teachers. Overall the stick was a little bit smaller than expected but it goes a long ways. Was really happy with the overall ingredients in this product versus others. Well worth the money and my daughter was more open to having it because of the application being in a stick.
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Reviewed in the United States on July 9, 2025

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