| ELEMENT | Fixed-charge back plate permanently polarized condenser |
| POLAR PATTERN | X/Y Stereo |
| FREQUENCY RESPONSE | 20-15,000 Hz |
| LOW FREQUENCY ROLL-OFF | 80 Hz, 18 dB/octave |
| OPEN CIRCUIT SENSITIVITY | Phantom: –38 dB (12.5 mV) re 1V at 1 Pa
Battery: –38 dB (12.5 mV) re 1V at 1 Pa |
| CHANNEL BALANCE | <2.5 dB |
| IMPEDANCE | Phantom: 250 ohms
Battery: 300 ohms |
| MAXIMUM INPUT SOUND LEVEL | Phantom: 128 dB SPL, 1 kHz at 1% T.H.D.
Battery: 120 dB SPL, 1 kHz at 1% T.H.D. |
| DYNAMIC RANGE (typical) | Phantom: 109 dB, 1 kHz at Max SPL
Battery: 101 dB, 1 kHz at Max SPL |
| SIGNAL-TO-NOISE RATIO | 75 dB, 1 kHz at 1 Pa |
| PHANTOM POWER REQUIREMENTS | 11-52V DC, 2 mA typical (each channel) |
| BATTERY TYPE | 1.5V AA/UM3 |
| BATTERY CURRENT / LIFE | 0.7 mA / 700 hours typical
(alkaline) |
| SWITCH | Battery On/Off; Flat, roll-off |
| WEIGHT | 247 g (8.7 oz) |
| DIMENSIONS | 186.0 mm (7.32") long,
47.6 mm (1.87") head diameter
21.0 mm (0.83") maximum body diameter |
| OUTPUT CONNECTOR | Integral 5-pin XLRM-type |
| CABLES | Balanced: 2.0 m (6.5') long, 8 conductor, shielded, vinyl-jacketed stereo cable with 5-pin XLRF-type connector at microphone end and two 3-pin XLRM-type connectors at output end;
Unbalanced: 0.6 m (2.0') long stereo cable with 5-pin XLRF-type connector at microphone end and 3.5 mm TRS connector at output end |
| ACCESSORIES FURNISHED | AT8405a stand clamp for 5/8"-27 threaded stands; windscreen; battery; soft protective pouch |
| AUDIO-TECHNICA CASE STYLE | S12 |