DW Memory Lock for Pre-2012 Collector's Tom Brackets, Chrome
The DWSMTM12CR is the memory lock made for Collector's Series mounted toms built before 2012. It is a generation-specific part: it fits the bracket of that era, and whether it is the right replacement depends first on the age of the kit.
What sets it apart
- Designed for Collector's Series mounted toms made before 2012
- Keeps the height and angle found at setup
- Chrome finish
- Replaces a lost lock without touching the rest of the bracket
- A wear part: the metal gets marked from repeated tightening
A dated part, and why it matters
The manufacturer is clear on this point: this lock is made for Collector's Series mounted toms from before 2012. The brackets changed after that date, and the lock for the new generation has a different part number.
So before ordering, date the kit rather than measure it. A drummer who bought a used kit without knowing its year is better off comparing the bracket to a catalogue photo: the bracket is what changed shape, and it answers the question faster than the seller's memory.
What a lost lock really costs
Without a lock, nothing breaks and nothing falls as long as the screw holds. The loss is elsewhere: every setup goes back to eyeballing, and two setups in a row never give the same tom height to within half an inch.
For a drummer playing in front of an audience, that half inch changes the angle at which the stick meets the head, and therefore the sound the room hears. The lock does not set the tom: it keeps the setting from disappearing.
Specifications
| Part | tom bracket memory lock |
|---|---|
| Intended generation | Collector's Series mounted toms made before 2012 |
| Finish | chrome |
| Role | mechanical stop for height and angle |
What it is for
- Replacing a lost lock on a pre-2012 Collector's kit
- Restoring a kit bought used
- A kit torn down and set up again for every gig
- A rental kit that changes drummers from one week to the next
Compare with other manufacturers
Other manufacturers lock the tom position in other ways. The main approaches:
| Manufacturer | Comparable model | What differs |
|---|---|---|
| Tama | Hinged memory lock for tom arm | Hinged, so it goes on without pulling the arm out of the bracket |
| Pearl | Ring-style memory lock for tom arm | Closed ring, slid on from the end of the arm |
| Gibraltar | Universal memory lock sized by diameter | Sold by diameter rather than by bracket generation |
| Yamaha | Position marker built into the bracket | The memory is in the bracket, there is nothing to add |
Frequently asked questions
- How do I tell if my kit is from before 2012?
- Look at the bracket, not the shell: the bracket is what changed. Compare the part on your tom with a current TB12; if the two do not look alike, your kit is from the previous generation.
- Does this lock fit a recent TB12 bracket?
- No. The manufacturer intends this one for toms from before 2012. For a current TB12, the other version is the one you need.
- Would a universal memory lock do the job?
- Sometimes, if the diameter matches. But a generic lock does not necessarily fit the shape of the bracket: it holds by friction instead of locking into place, and it slips more easily.
- Can the memory lock damage the tom arm?
- Tightened reasonably, no. A screw cranked all the way down marks the chrome where it makes contact: tighten until it stops, not beyond.
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