QSC PL340

Beschrijving

Features | PowerLight switch-mode power supply for highest efficiency and improved audio performance | Flow-through air path and solid aluminum heat sinks for maximum cooling | DataPort supports remote network control and monitoring via Q-SYS | Detented gain controls with 1-dB steps for precise calibration | Removable knobs with lock-out security plate to prevent unauthorized tampering | User defeatable clip limiters and selectable low-frequency filter per channel (3 Hz, 30 Hz, or 50 Hz) | Three selectable gain structures (26 dB, 32 dB, or 1.2 V) | Front and rear panel LEDs indicate status of switch settings at a glance | Parallel XLR/M and XLR/F connectors for simple loop-through connectivity | Neutrik Speakon® and “Touch-Proof” binding post outputs | Neutrik Powercon® power cable remains secure on the road | 3 year warranty, plus optional 3 year extended service contract | Linear Class H output circuit offer double the typical efficiency of Class B, reducing AC current consumption and cooling requirements | Specifications | OUTPUT POWER PER CHANNEL, STEREO MODE, both channels driven | 8Ω EIA 1 kHz 1% THD: 800 W | 4Ω EIA 1 kHz 1% THD: 1250 W | 2Ω EIA 1 kHz 1% THD: 2000 W | OUTPUT POWER, BRIDGE MONO MODE | 8Ω EIA 1 kHz 1% THD: | 2600 W | 4Ω EIA 1 kHz 1% THD: | 4000 W | Typical Distortion | (20 Hz–3 kHz, 3 dB below clip, or 20 Hz–5 kHz, 10 dB below clip, or 20 Hz–20 kHz, 20 dB below clip) | 8 ohms: 0.002-0.01% | 4 ohms: 0.005-0.01% | 2 ohms: 0.02% | Maximum Distortion (20 Hz–20 kHz, 1 dB below rated power) | 4 to 8 ohms: 0.05% | Frequency Response (8 ohms): | 20 Hz–20 kHz, ±0.2 dB | Noise (20 Hz–20 kHz, 32 dB Gain): | -105 dB | Dynamic Headroom (4 ohms): | 2 dB | Damping Factor (8 ohms): | 500 | Output Circuitry: | Class H (2-tier) | Input Sensitivity | 26 dB Setting: 3,92V | 32 dB Setting: 1,96V | Maximum Gain (1.2V setting): | 36.4 dB | Maximum Input Level: | 1.2V setting: 11 V (+22 dBu) | 32 dBu setting: 14,6 V (+29 dBu) | 26 dBu setting: 25 V (+30 dBu) | AC Power Requirements | 120V 50/60 Hz: 12 A | 230V 50 Hz: 7 A | Cordset | 120V 50/60 Hz:NEMA-15 | 230V 50 Hz: CEE 7/7 16A | Chassis Power Connector | : 20A PowerCon | Input Impedance: | > 10 kΩ balanced, or unbalanced | Cooling: | Variable-speed fan, rear-to-front air flow | Connectors (each channel) | Input: XLR Male, XLR Female and 3-pin detachable terminal blocks (1 each per channel) | Output: Neutrik Speakon® (ch 1 wired to both channels) and 5-way binding posts | DataPort: HD-15, input signal in parallel with XLR input connectors | Front Controls | AC power switch | Gain controls, 21 detents, 1 dB steps (each channel) | Front Indicators (LED color) | Power (Blue) | Bridged (Yellow) | Parallel (Orange) | Clip/Prot (Red × 2) | Level -10 (Orange × 2) | Level -20 (Green × 2) | Signal -35 (Green × 2) | Rear Controls (with LED indicators) | Input Mode: Bridge (Yellow), Stereo (Green), or Parallel (Orange) | Gain / Sensitivity: 26 dB (Orange), 32 dB (Green), or 1.2V (Yellow) | High Pass (each channel): 3 Hz (Off), 30 Hz (Yellow), or 50 Hz (Orange) | Clip Limiter (each channel): Off, on (Yellow) | Amplifier and Load Protection | : | Short circuit, open circuit, thermal, RF protection. On/off muting, DC fault shutdown, active inrush limiting | Dimensions | Height: 8.9 cm | Width: 48.3 cm | Depth: 39.7 cm from front mounting rails | Weight: | Net: 11kg