When does TuningLedger add a pitch-raise surcharge?

When a piano's initial A440 drift magnitude is 15 cents or greater, TuningLedger automatically applies the two-pass pitch-raise surcharge and time adjustment.

How much does TuningLedger cost?

TuningLedger is a flat $19/mo for solo piano technicians with unlimited piano profiles and seasonal recall logs.

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Yamaha U1

Wednesday, May 20 at 11:00 AM (85 min)

Instrument & Location

Client:David Sterling

Serial Number:H319842

Type:studio upright

Year Built:2015

Location / Room:Practice Alcove

Humidity Control:None reported

Address / Zip:310 Riverside Dr, Apt 7B, New York, NY, 10025

Technician:Julian Mercer, RPT

Payment Receipt

card

Service Amount:$168.00

Note: Paid by card on file

Acoustic Diagnostic Log

Target: 440 Hz

Initial Drift: -12cHumidity: 42% RHPinblock: normal

Bench Summary:

Yamaha U1 (studio_upright): Fine Tuning (A440). Initial pitch -12 cents, brought to A440Hz. Practice room U1 tuned to A440.

Maintain room humidity between 40% and 50% RH. Keep piano away from exterior drafts, heating radiators, and direct sunlight.

Heads up: Standard semi-annual fine tuning maintenance.

Record tuning & reading Schedule pitch raise

Seasonal Recall Slot

dismissed

Next tuning in 150 days, based on studio_upright seasonal drift and stability defaults. Instrument pitch stability is good.

Suggested date: Saturday, October 17

Interval: 150 days · Instability risk: low

Opening the tuning ledger…