This K&M 25530 Boom Arm Adjustable Counterweight Blackfrom K&M 25530 Boom Arm Adjustable Counterweight Blackis meant to give more range to your microphone stand. The telescoping boom arm offers a range of 34 to 61". It has a t-bar locking screw and offers a 5/8" thread. The boom arm is fashioned out of steel. An adjustable counterweight is included to keep the boom from tipping.

Boom Arm Telescopes from 34 to 61"    Provides Range to Mic Stands    Steel Construction, T-Bar Locking Screw    5/8" Thread    Includes Counterweight

Related Questions and Answers

Q: 1. What is the length of the boom arm when folded closed and the clamp removed?

A: The folded length of the Audio-Technica AT8700 Adjustable Microphone Boom Arm BH #AUAT8700 with the clamp removed is approximately 16 inches.

Q: 2. What is the minimum and maximum length between the pivot point/clamp and the mic thread?

A: The Atlas Sound PB21XEB boom arm extends from a minimum length of 25.25" to a maximum length of 38.50".

Q: 3. What is the length of this arm?

A: The Length of the D650 Junior Boom is 63.6 to 117.6' / 1.6 to 2.98 m

Q: 4. What is the thread size? What is the depth of of the female thread?

A: The only female thread on this item is that of the screw-down mechanism (thumb screw) mentioned in the overview and clearly pictured. Those threads are M6x1.0 and about 17mm deep. They extend to the large central hole at the center of the cylinder but the end of the thumb screw does not bear directly against the boom arm. It instead bears against a plastic liner pressed into that central hole which prevents scratching the finish of the boom arm.

Q: 5. Is the threaded connection on the bottom 5/8" ? I didn't see it listed on the product page.

A: the bottom of this boom arm is designed to fit into an existing mic stand, the 5/8" thread listed is at the top on the boom arm, to allow for industry standard a mic clip/holder for a microphone.

Q: 6. Would a para 133 and siros (15lbs) twist around or would the modifier stay at the angle I put since it would be front heavy?

A: Once you lock everything down it should not twist or rotate.

Q: 7. Where can I get a Handle for the counterweight? The bolt sucks

A: A handle is not sold separately . It is a part sold by Manfrotto . You can reach them at 480-940-1103

Q: 8. For the max load, is it liner ie at half extension would be 15Kg or how do you know the limit at a given length?

A: These are the listed parameters 88 lb (40 kg) @ Minimum extension 22 lb (10 kg) @ Maximum extension, you test the arm on different extension length's until you are comfortable on how stable it is.

Q: 9. what is the best light stand?

A: This boom is made for mounting to Junior stands. A C-stand does not have the correct receiver, width of base and stability, or weight capacity to safely support it at its maximum load and extensions.

Q: 10. Will this be able to support the weight of a "Shure SM7B" (1.69 lb / 766.57 g)?

A: Yes; this boom arm, placed on a stand includes a counter weitht, which will balane an SM7B, no problem.