Gear comparison
What thread size does the original Blue Yeti use?
Check the original Blue Yeti's reported mounting thread, choose the correct adapter direction, and separate boom arm fit from load capacity.
Product details come from product listings unless we clearly label another source.
The original Yeti’s mounting thread is reported as 5/8-27
For the original Blue Yeti, Tosh Lubek’s Blue Yeti FAQ at DIY Video Studio identifies the bottom mounting socket as accepting a 5/8-inch, 27-TPI connector, often written 5/8-27. That describes a female socket on the microphone accepting a matching male connector on a stand or adapter. The exact pitch comes from this secondary source, not an explicit Logitech specification verified for this guide.
If you’re moving an original Yeti from its desktop stand to a boom arm for YouTube or podcast recording, start with that connection, then check the arm’s load rating separately. This guide covers the original Yeti only. Don’t carry its reported thread specification over to the Yeti Nano, Yeti X, or Yeti GX without checking documentation for that exact model.
Logitech’s Yeti product page confirms that you can remove the desktop stand and mount the microphone on a boom arm such as Compass. The page does not explicitly state the original Yeti’s thread diameter and pitch. That’s an important limit on the evidence, especially when a seller describes an accessory simply as a “Yeti adapter.”
Read both the thread size and the connector direction
A thread listing needs more than a diameter. For the reported 5/8-27 Yeti connection, 5/8 inch identifies the nominal thread diameter and 27 TPI means 27 threads per inch. Male and female describe the two mating parts: the male connector has external threads, while the female socket has internal threads.
For a direct mount, the arm’s male connector must match the microphone’s female socket. If the arm has a different connector, an adapter must match both ends. A listing that says only “3/8 to 5/8” leaves the direction unclear. Ask which end is male before ordering.
The On-Stage MA-200 manufacturer page provides a useful example of clear wording: 5/8-inch male outside and 3/8-inch female inside. On-Stage describes it as converting a 3/8-inch male stand connection for an accessory with a 5/8-inch female socket. Its page establishes that geometry, but does not state the thread pitches or specifically guarantee Yeti compatibility.
Match the adapter to the arm you actually have
Inspect the arm’s mounting end and read its specifications before buying anything. Use the following table as a connection checklist, not a substitute for the manufacturer’s compatibility information.
| Connection on the arm | What to verify for the original Yeti |
|---|---|
| Male connector specified as 5/8-27 | Check that it matches the reported Yeti socket and that the arm supports the complete mounted load. |
| Male connector specified as 3/8 inch | Look for an adapter with a 3/8-inch female interior and a 5/8-inch male exterior, then confirm the pitches and model compatibility. |
| Female socket at the mounting end | Identify the intended connector or accessory before choosing an adapter. A female socket alone does not provide the male end needed for a direct connection. |
| Connector hidden by an installed adapter | Check the arm’s instructions to identify both the installed adapter and the underlying connection. |
For the second case, the MA-200’s documented male and female arrangement illustrates the required direction. The larger external thread goes toward the microphone socket; the smaller internal thread receives the stand’s male connector. An adapter with the reverse arrangement is a different part.
Don’t assume an adapter comes with either product. Check the package contents for the exact arm or microphone listing you’re buying. If you already own the equipment, inspect it first so you don’t purchase a duplicate.
Thread fit does not establish boom arm capacity
A connector that screws into the microphone answers one question: does this joint fit? It doesn’t establish whether the arm can support the microphone and its accessories in your intended position.
For example, Logitech’s Compass specifications list standard 5/8-inch threading, an adapter for 3/8-inch threading, and a maximum supported weight of 2.4 pounds including the microphone and shockmount. Those are Compass specifications, not a universal requirement for Yeti arms. The document also does not state a minimum supported load or the thread pitches.
When comparing another arm, use that arm’s own load documentation. Include the shockmount and any other accessories it must carry. Don’t compare a complete microphone-and-desktop-stand weight against an arm rating if the desktop stand will be removed.
Before ordering, check the following:
- The connector size, pitch, and male or female arrangement.
- The documented supported load for the arm and the weight of the complete mounted assembly.
- The desk clamp’s permitted mounting surface and thickness.
- Whether the arm can reach the intended recording position without obstructing the workspace.
If a seller supplies only “fits Blue Yeti,” ask for the actual connection and capacity specifications. A model-name compatibility claim is less useful when you can’t tell which Yeti it refers to.
Adding a shockmount creates another connection to check
With a shockmount, you’re no longer checking only an arm-to-microphone joint. Verify how the microphone attaches to the mount, then verify how the mount attaches to the arm. Add the mount’s weight to the supported load calculation.
Logitech’s Radius specifications explicitly identify Radius III as designed for Yeti and Yeti Pro. That is stronger evidence of model fit than a generic product title containing the word “universal.” It does not establish compatibility with every Yeti-branded microphone.
Logitech describes Radius III as a suspension mount intended to isolate noise, shock, and vibration. The cited page does not quantify the isolation benefit, so don’t choose it based on an assumed noise-reduction figure. Decide whether you need a suspension mount, then verify its fit and load implications rather than treating it as a required part of every boom setup.
Fit the connection gently and stop if it binds
Once the documentation matches, make the first fitting with the microphone supported by hand. Follow the microphone, mount, and arm instructions for removing the desktop stand and assembling the new support. Logitech confirms that removing the original Yeti stand for boom mounting is an intended use.
Start the threaded connection by hand. If it sits crooked, binds immediately, or requires force, stop and inspect it rather than using a tool to drive it farther. Recheck the connector specification and any adapter already installed. Treat unexpected resistance as a reason to investigate, not proof that the joint merely needs more tightening.
Before letting go of the microphone, verify the assembly according to the arm’s instructions. Move it carefully through the positions you’ll use while recording and check that the cables have room to move. Don’t begin with the microphone suspended over equipment you can’t afford to damage.
Buy for the complete mounting path
The practical starting point is the original Yeti’s reported 5/8-27 female bottom socket, attributed to Tosh Lubek’s Yeti FAQ. If the arm presents a different connector, specify both ends of the required adapter. Then check the arm’s capacity independently.
That distinction between connection requirements and equipment roles is also how Sharkjets Gear’s creator setup guides approach recording decisions. Use them when planning the rest of a YouTube or podcast setup, but resolve this purchase from the exact microphone, adapter, and arm specifications in front of you. The right thread is the beginning of a compatible mounting setup, not the whole answer.