Guide: Keyboard Instruments

From acoustic grand pianos to synthesizers – action, sound generation, care, and buying advice for keyboard instruments.

How to Judge the Condition of a Used Grand Piano
Grand Piano

How to Judge the Condition of a Used Grand Piano

How to judge the real condition of a used grand piano: inspection checklist, deal-breakers, technician costs, price logic and follow-up costs.

Comparing Well-Known Brands on the Used Market
Grand Piano

Comparing Well-Known Brands on the Used Market

What really separates grand piano brands on the used market, how to find the serial number and production year, and how to weigh age, condition, value retention and dealer versus private sale.

Silent Piano Systems Explained
Upright Piano

Silent Piano Systems Explained

How silent systems work on upright pianos, retrofit versus new versus digital, US costs, installation, resale, MIDI and used-buying checks.

Getting a Piano Tuned: Cost and When It's Needed
Upright Piano

Getting a Piano Tuned: Cost and When It's Needed

How a piano is tuned, how often and what it costs in the US, how tuning differs from regulation and voicing, what you can check on the action and hammers yourself, and when an overhaul makes sense.

Humidity and Placement: Why They Affect Value So Much
Upright Piano

Humidity and Placement: Why They Affect Value So Much

Ideal humidity, the right spot and typical climate damage: how to keep an upright piano in tune and protect its value.

Buying a Used Upright Piano: What to Check
Upright Piano

Buying a Used Upright Piano: What to Check

How to check a used upright piano step by step: pinblock, soundboard, action, serial number and age, price ranges, free-piano traps, moving and what an inspection costs.

Monophonic vs. Polyphonic Synths Explained
Synthesizer

Monophonic vs. Polyphonic Synths Explained

Monophonic, paraphonic, polyphonic: how many voices you need for what, what voice stealing and note priority mean, how unison, layers and multitimbrality use up voices, and what the difference costs.

MIDI vs. CV/Gate: How Synths Talk to Other Gear
Synthesizer

MIDI vs. CV/Gate: How Synths Talk to Other Gear

How MIDI and CV/Gate differ, how pitch, gate, trigger and clock signals work, which converters and interfaces connect vintage and modern gear, and how to avoid sync and wiring mistakes.

Oscillators and Filters: The Building Blocks of a Synth Sound
Synthesizer

Oscillators and Filters: The Building Blocks of a Synth Sound

How a subtractive synthesizer builds sound step by step: oscillators, mixer, filter, amplifier, ADSR envelopes, LFO and modulation, plus synthesis types, bass/pad/lead starting points and buying tips.

Analog vs. Digital vs. Virtual-Analog Explained
Synthesizer

Analog vs. Digital vs. Virtual-Analog Explained

Analog, digital, virtual-analog and hybrid synths compared: sound myths, tuning stability, controls, hardware vs. plugin, USD costs and a decision guide by scenario.

Buying a Used Synthesizer: What to Check
Synthesizer

Buying a Used Synthesizer: What to Check

How to inspect a used synthesizer: keys, pots, jacks, display, battery, warm-up, vintage weak spots like Juno-106 voice chips, scam awareness, and repair costs.

Rebuilt vs. Original: What "Fully Rebuilt" Actually Means
Grand Piano

Rebuilt vs. Original: What "Fully Rebuilt" Actually Means

"Rebuilt" and "restored" are not standardized terms: they can mean a complete renewal or a cosmetic refresh. Learn what a full rebuild includes, typical USD costs, when it pays off, and which proof to ask for.