The AMS-10K Audio Knob from Radio Design Labs is an accessory 10-k Ohm level control for terminal blocks. The knob is specially designed to fit RDL's AMS-UF1 Universal Frame, an accessory mounting system.

The knob is specially designed to fit RDL's AMS-UF1 Universal Frame, an accessory mounting system.

The assembly includes a audio 10K potentiometer, knob and terminal block.

The AMS-10KA fits most standard VCAs.

Related Questions and Answers

Q: 1. What's the distance between the two outer mounting holes? I wanna mount this plate on a 322 ball head.

A: The two outer mounting holes on the RRS B2-Pro II 60mm Screw-Knob Pro Clamp are 30mm apart.

Q: 2. With the d 4 classic head can I shoot 90 degrees?

A: Yes! There are two was to achieve your goal.1. Loosen one of the tear drop knobs to tip the head to the side 90 degrees. You will may have to reposition the tripod if you are shooting both horizontally and vertically.2. Use an L- plate on your camera then easily and quickly use the quick release to switch from horizontal to vertical in seconds without having to reposition the tripod.

Q: 3. Will this part also work to replace the camera plate knob for the ACE XL?

A: Yes, the Sachtler Clamp Knob for Ace M and L Series Fluid Head Camera Plate will also work with the Ace XL.

Q: 4. Will this head work on a Manfrotto tripod?

A: Yes, at least for mine. It is a really useful head for Macro. It should work for most tripods although you may need to augment or reduce the size of the screw on the tripod.

Q: 5. Will D4 handle Pentex 645Z with 400 f5.6?

A: I think so. This is a great head. I have Arca and Gitzo ball-heads, Bogen and Majestic gear heads and others, and this is the most precise and well made head I have ever used. The negatives are stiff controls, range and ergonomics.

Q: 6. Will this work for Sachtler Sideload FSB tripods?

A: As stated in the item name the Sachtler Clamp Knob for Ace M and L Series Fluid Head Camera Plate is only for Ace M and L Series Fluid Heads.

Q: 7. Is this compatible with Manfrotto MHXPRO-BHQ2?

A: You may consider purchasing the Desmond DBAD Female to Male Boss Adapter for Select Manfrotto Heads, B&H # DEDBAD, to connect the Really Right Stuff B2-Pro-II 60mm Screw-Knob Pro Clamp to the Manfrotto XPRO Magnesium Ball Head with 200PL-14 Quick Release Plate.

Q: 8. I have a Really Right Stuff TA-3 Leveling Base, would this Arca-Swiss D4 Tripod Head fit into my leveling base? What is the base diameter of this tripod head?

A: I have the Acra-Swiss D4 head and use it with the TA-3 leveling base but I have it attached via a RRS B2 AS II lever release clamp and mounting plate. You should still be able to mount it to the leveling base without such a set up. I find it much easier to switch out heads and travel with this arrangement however.

Q: 9. Is it possible on the current shipping D4 (2024) to remove the AS classic knob clamp and replace it with an RRS clamp?

A: The Arca-Swiss d4 Tripod Head with Classic Knob Quick Release comes in a sealed box and we can't remove the AS classic knob clamp and replace it with an RRS clamp.

Q: 10. Is the Arca-Swiss D4 Head compatible with all RRS L-Brackets and will it mount on the RRS TQC-14 Tripod?

A: The Arca-Swiss d4 Tripod Head with Classic Knob Quick Release (Geared) can be mounted on the Really Right Stuff TQC-14 Series 1 Carbon Fiber Tripod and is compatible with Really Right Stuff L-brackets.