PSI AUDIO A21M - Red — Studio Monitor
PSI Audio A21M - Red is the red-finish version of PSI Audio's A21-M active two-way nearfield/midfield studio monitor, priced and sold by dealers as a single monitor.
Specifications
Format
| Product type | Active two-way nearfield/midfield studio monitor |
|---|---|
| Finish | Red |
| Pricing unit | Single speaker |
| Origin | Handmade in Switzerland |
Amplification and Design
| Amplifier power | 280 + 45 W potential peak power in technical table; page feature summary also states 280 + 55 W |
|---|---|
| Amplifier type | Class A/B amplifiers |
| Dsp | 100% analog, no DSP |
| Calibration | Individually calibrated; ships with personal measurement sheet |
Drivers and Acoustics
| System | 2-way |
|---|---|
| Woofer | 240 mm / 9.4 in external diameter; 172 mm / 6.8 in diaphragm |
| Tweeter | 100 mm external dimension; 27 mm / 1.06 in diaphragm |
| Crossover | 2400 Hz |
| Dispersion | 80 x 30 degrees horizontal x vertical |
Performance
| Frequency range | 38 Hz to 23 kHz at -6 dB |
|---|---|
| Spl | 106 dB continuous max SPL, 110 dB short-term max SPL and 121 dB peak max SPL at 1 m |
| Snr | 98 dBA |
| Spl tolerance | +/-2.0 dB |
| Phase tolerance | +/-45 degrees from 250 Hz to 20 kHz |
Connectivity
| Input connector | 1 x XLR female 3-pin |
|---|---|
| Typical listening distance | 1 to 3 m on PSI page; ZenPro lists 1.5 to 2 m |
| Warranty | 5 + 1 years |
Fit and constraints
Intended use
Constraints
To use it
Questions
Which connections, drivers, operating systems, and sample rates are supported by this exact revision?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
What cables, mounts, power supplies, or licenses are included?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Is the current retailer listing new stock, demo stock, open box, or special order?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Description
PSI Audio A21M - Red is the red-finish version of PSI Audio's A21-M active two-way nearfield/midfield studio monitor, priced and sold by dealers as a single monitor. PSI specifies a 100% analog, no-DSP design with Class A/B amplification, individual calibration, handmade Swiss production, CPR phase technology, 38 Hz-23 kHz bandwidth at -6 dB, +/-2 dB SPL tolerance, 121 dB peak maximum SPL at 1 m, 106 dB continuous maximum SPL at 1 m, 98 dBA signal-to-noise ratio and 2400 Hz crossover. Driver data lists a 240 mm / 9.4 in woofer outer diameter with 172 mm / 6.8 in diaphragm and a 100 mm tweeter assembly with 27 mm / 1.06 in diaphragm. The monitor uses one female 3-pin XLR input, measures 250 x 400 x 300 mm / 9.9 x 15.8 x 11.9 in, weighs 12.8 kg / 28.2 lb and carries a 5+1 year warranty. Retailer pages identify the red finish; .