Description
The Park Audio V4-900 is an analog power amplifier for wide range of applications. Is enclosed in a casing of the 2U height. The amplifier is designed to be installed into a standard 19″ rack. 2 x 450 watt 4ohm, 2 x 180 watt 8ohm.
V-series amplifiers have high efficiency analog H-class topology and reliable classic power supply, based on toroidal transformer. Built-in crossover allows to use the amps in 2-way sound reinforcement systems
All the protection systems are independent. One channel failure does not impact the operability of the other. Cooling is independent for each channel. Fan direction is from front to back. The unit is provided with smooth automatic cooling control system which changes its intensity depending on the temperature of the output stage. Both channels share the same power supply toroid transformer-based source.
Park Audio V4-900 Features:
- TOSHIBA bipolar output transistors
- H class power amplifier (all models, except V4-900 MkIII)
- AB class power amplifier (only V4-900 MkIII)
- Toroidal transformer
- Forced cooling system with smooth fan speed adjustment
- Dust filter
- 2U height
- Input level controls
- Signal indicators (LEDs)
- Ground lift
- Overload and alarm indicators (LEDs)
- MODE switch (STEREO-MONO-BRIDGE)
- Switchable high pass input filter (45Hz, 24 dB/octave)
- Built-in crossover
- Switchable line output (THRU or after crossower)
- Sensitivity switch (optional)
- Detachable power cord
- Removable dust filters
- Input connectors – XLR
- Output connectors -SPEAKON
- Double-stage overload protection
- Short-circuit protection
- Double-stage thermal protection
- Optoelectronic clip-limiter
- DC output protection
- High frequency protection
- Soft signal start
- Dimensions: 482 x 96 x 414
- Weight: 14kg
Specifications:
| RMS 4 ohm |
450
|
| RMS 8 ohm |
280
|
| Peak 4 ohm |
700
|
| Peak 8 ohm |
350
|
| Bridge 8Ohm |
900
|
| AC Power |
6A |
| Frequency response* |
20Hz … 20kHz (+/- 0.2 dB, full power)
10Hz … 60kHz (1dB, 1W) |
| Total Harmonic Dist. |
0.003 % (1kHz)
0.02% (20 … 20kHz) |
| Damping Factor |
400(1kHz, 8Ohm) |
| Signal-to-Noise |
100dB(unweighted) |
| Crossover Freq.** |
125Hz,12dB/Oct. HP or LP |
| Weight |
14 Kg
|
| Cooling |
From the front to the back |
| * Cutoff filters are disabled, 30 Hz, 50 Hz |
| ** Only when a crossover-equipped input is installed |
