PSI A21-M – Powerful, near-midfield accurate studio monitor
The PSI A21-M has unparalleled impulse response and stereo imaging.
It is a very impressive studio monitor used for the most demanding sound productions, giving the user full control over all frequencies and the sound image down to the smallest detail.
- Power: 120 + 50W
- Frequency range: 38Hz – 23kHz
- SPL Max: 108dB
- 100% analog – no DSP
- flat frequency response
- Phase compensated for better stereo imaging
- Class G amplifier
- individually calibrated
- Typical listening distance: from 1.5 m
- 5-year warranty
- Handmade in Switzerland
| Product | A21-M |
| Power RMS: | 120 + 50W |
| Program Power: | 170W |
| Input Impedance: | Sym, 10k Ohm |
| Sensitivity to 100 dB @ 1 m: | 0.775V |
| Signal to noise ratio: | 96dBA |
| Continuous maximum SPL at 1 m: | 108 dB (single) |
| Input overload: | 24 Vpp |
| Program Max SPL @ 1m: | 119 dB (pair) |
| Response to -6dB: | 38-23000 Hz |
| Tolerances: | ±2dB (44Hz – 20kHz) |
| Distortion THD: | less than 1.4% (90Hz-12kHz) |
| Phase Tolerances: | ±45° (190Hz – 20kHz) |
| Dispersion (PN 4-16 kHz) at -6 dB: | 90° x 90° (H x V) |
| System: | 2 way(s) |
| Crossover Frequency: | 2.4 kHz |
| Woofers dim. ext. / Membrane: | Ø217mm / Ø170mm |
| Tweeters dim. ext. / Membrane: | Ø100mm / Ø25mm |
| Connectors: | 1 x XLR F/3P |
| Signal Input: | 1 = GND, 2 = (+), 3 = (-) |
| Material: | MDF |
| Dimensions W x H x D mm: | 250 x 400 x 300 |
| Gross / Net Weight: | 14.5 / 13.2 kg |
| Tension: | 115 / 230V (50-60Hz) |
| Consumption Standby-Quiet-Max: | 1.2 – 5 – 150W. |
| Average / Maximum Humidity: | less than 75% / less than 90% |
| External temperature: | 5-40 °C |

