A recording studio’s equipment list is its history written in serial numbers - the ribbon pair bought from a closing studio across town, the compressor that has been on every mix since the room opened, the bass a session player left and never collected. It is also, for most studios, the largest pile of capital in the building and the least documented. This guide covers how to catalogue studio gear properly, keep track of what leaves the building with engineers, and hold on to the repair history that keeps thirty-year-old equipment earning.
What you will learn
- Why studio gear drifts
- Catalogue what you own
- Loans, sessions and location kits
- Repairs and the maintenance log
- Getting started
- FAQ
Why studio gear drifts
Studio gear is portable, valuable, and constantly in motion:
- Every session reshuffles the building. Mics, stands, preamps and headphones move between live rooms and booths daily, and they migrate towards whichever room worked last night.
- Freelance engineers blur the boundary. A house engineer borrows the stereo pair for a weekend location date; a visiting mixer brings their own 500-series modules and leaves with one of yours by honest mistake. Without a loan record, both are invisible.
- Clients leave things, and things leave with clients. Forgotten pedals accumulate in corners; headphones and cables walk out in gig bags.
- Vintage gear is uninsurable without paperwork. Old mics and outboard hold serious resale value, which makes them theft targets - and an undocumented serial number means no police report worth filing and no insurance claim that stands up.
- Small items evaporate quietly. Nobody notices the headphone count shrinking until a full band shows up and there aren’t enough working pairs.
The pattern: the patchbay knows exactly where the signal goes, but nobody knows where the gear went. The fix is a register updated by the same motion as the gear - the handover.
Catalogue what you own
Start with a proper asset register: one record per item that has a serial number or a real replacement cost, with photos, purchase details, and a home location (room, rack, drawer, locker shelf).
| Gear class | What to record | Approach |
|---|---|---|
| Microphones | Serial, photos of body and serial plate, condition, accessories | Per item, labelled on case or mount |
| Outboard, interfaces, monitors | Serial, rack and room, purchase price, warranty | Per item, label on the rear panel |
| Instruments and backline | Serial where present, photos, condition notes | Per item |
| Headphones and DI boxes | Count and home drawer; serials for high-end pairs | Per item above a value line, pool below |
| Cables, adapters, stands | Counts by type and length | Stock with a reorder level, not per item |
Two notes from practice. First, photograph the serial plate, not just the unit - if a mic is stolen, that photo is what the police report and the insurance claim are built on. Second, give project drives and archives records too: a drive holding a client’s stems is an asset with a custodian, even though it cost less than a mic stand. Cables and chargers, by contrast, are stock - count them, restock them, and keep them out of the per-item register.
Tip: label gear where the label survives handling but doesn’t touch the sound or the look - mic cases and mounts rather than mic bodies, rear panels rather than faceplates, headphone headbands rather than ear cups.
Loans, sessions and location kits
The register stays true only if leaving the locker is the same motion as updating the record:
- Check gear out to a person, not a purpose. “With Dan for the church session” beats “out” - because Dan is who you ask on Thursday.
- Location dates get a kit checkout. Mics, stands, preamps, recorder, cables - checked out as one batch to the engineer running the date, returned as one batch, with anything missing visible immediately.
- Open-ended loans are fine; anonymous ones are not. A producer’s residency can hold a compressor for two months without a due date, as long as the record says so.
- Returns capture condition. “Pop shield missing, case latch broken” logged at return is what stops the next session discovering it at downbeat.
Repairs and the maintenance log
Studio gear is repaired for decades, not replaced on a cycle - which makes service history part of the asset’s value. When a channel goes noisy or a capsule starts crackling, log it against the unit: description, photo, what the tech found, the invoice. Over time each unit accumulates a file that answers the questions that actually come up - has this fader been cleaned before, when was the desk last re-capped, is this the third time this power supply has failed. That file is what separates “worth fixing again” from “sell it as a project”, and when you do sell, documented service history is exactly what buyers of used pro audio pay attention to.
Getting started
- Walk one room and the mic locker first. Record serials, snap photos including serial plates, and label as you go. One room done properly beats the whole building done vaguely.
- Set the value line. Decide what gets a per-item record - roughly, anything serialled or expensive to replace - and what stays counted stock.
- Record home locations. Every item gets a home, so “put it back” has a defined meaning.
- Make the locker door the checkpoint. From day one, nothing leaves the building without a checkout against a name.
- Backfill the rest between sessions. The catalogue grows room by room; the discipline starts immediately.
For the system itself, AMPthilly covers this workflow: an asset register with serials, photos and attached receipts, printable QR labels scanned with a phone camera in the browser (no app install), checkouts and returns with condition notes, and a service desk that keeps each unit’s repair history permanently on its record. The free plan - 3 users, 25 assets, no card required - is enough to pilot the mic locker before deciding anything; see pricing for where the larger plans pick up.
FAQ
How should a recording studio inventory its equipment? Room by room: serial, photos including the serial plate, purchase details, condition, and a home location for every item with real replacement cost.
How do studios keep track of microphones? Run the mic locker like a lending library - every mic leaves as a logged checkout to an engineer, session or room, and location dates go out as a single kit.
Should studios track cables individually? No. Cables, adapters and spare headphones are counted stock with a reorder level; per-item records are for serialled, valuable gear.
Why does repair history matter for studio gear? Old gear is repaired, not replaced - the unit’s service file tells you whether the next fault is worth fixing, and it supports resale value.
What is the fastest way to find gear before a session? A register kept true by scan-based checkouts: search the item, see the holder and location, skip the tour of the building.
The takeaway
A studio’s gear deserves the same documentation as its sessions. Catalogue everything serialled with photos and purchase records, set a value line so cables stay stock, make the locker door a checkout point, and keep every repair on the unit’s file. Do that and the register answers the only questions that matter: where is it, who has it, and is it worth fixing again.