1. Introduction
The Dynasty ProAudio PX2 is a high-definition multi-source home audio preamplifier designed to provide exceptional audio clarity and extensive connectivity. Featuring optimized low-noise circuitry, a 3-band EQ, and a low-cut crossover, the PX2 ensures a superior listening experience with wide frequency response and minimal distortion. Its versatile design includes Bluetooth 5.3 with Qualcomm® aptX™ Lossless technology for wireless streaming, a USB DAC interface for digital audio, and multiple analog and digital inputs to accommodate various audio sources.
2. Safety Information
- Read all instructions carefully before operating the device.
- Keep the manual for future reference.
- Do not expose the unit to moisture, rain, or extreme temperatures.
- Ensure proper ventilation to prevent overheating.
- Disconnect power during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel.
3. Package Contents
- Dynasty ProAudio PX2 Preamplifier
4. Product Overview
4.1 Front Panel
Image: Front view of the Dynasty ProAudio PX2 Preamplifier, showing various controls and inputs.
The front panel provides access to power, microphone input, headphone output, various input selectors, tone controls (Bass, Mid, Treble), Loudness, Balance, and Master Volume. Dedicated buttons for Tape, Phono, Mono, Mute, and Pairing are also present.
4.2 Rear Panel
Image: Rear view of the Dynasty ProAudio PX2 Preamplifier, displaying analog and digital input/output ports.
The rear panel features a comprehensive array of analog inputs (Phono, Aux1, Aux2, CD/DVD, Tape Play), analog outputs (Tape Rec, Main Out, X-Over, Sub Mono), digital inputs (Optical, USB), a ground terminal, and a trigger output. The power input with voltage selector is also located here.
5. Setup
5.1 Connections
Image: A detailed connection diagram illustrating how to connect various audio sources and outputs to the PX2 preamplifier.
The PX2 offers extensive connectivity options:
- Analog Inputs: Connect up to 4 RCA line inputs for devices like CD players, tuners, or network audio players. A dedicated RCA Phono input with RIAA preamp and ground terminal is available for turntables.
- Digital Inputs: Use the S/PDIF (Optical) input for connecting TVs or other digital audio devices. The USB DAC accepts digital audio from a computer or other USB-supported digital audio source, supporting standard stereo PCM digital audio.
- Microphone Input: A front-panel 1/4” phone jack supports microphone input with a low-noise mic preamp.
- Headphone Output: A front-panel 1/4” phone jack provides a stereo headphone output.
- Outputs: The PX2 provides Full Range Stereo, X-Over, Sub Mono, and Stereo Headphone outputs for flexible system integration.
5.2 Rack Mounting
The PX2 features a 1U rack-mountable design with removable feet. It can be used in a standard audio rack, on a table, or on a shelf, providing flexible placement options for any audio system.
6. Operating Instructions
6.1 Power On/Off
Press the Power button on the front panel to turn the unit on or off.
6.2 Source Selection
Use the Source Select buttons on the front panel to choose between connected inputs (Bluetooth, Optical, USB DAC, Aux1, Aux2, CD/DVD, Phono, Tape).
6.3 Volume Control
Adjust the Master Volume knob to control the overall output level. Individual input levels can be fine-tuned using the respective level controls.
6.4 Tone Controls
Utilize the Bass, Mid, and Treble knobs to adjust the frequency response to your preference. The Loudness control can be engaged for enhanced low-frequency response at lower volumes. The Low Filter button activates a low-cut crossover to optimize sound when using a subwoofer.
6.5 Bluetooth Operation
Image: A diagram highlighting the features of the Qualcomm Bluetooth 5.3 chip, including improved transmission speed, effective distance, and connection stability.
To pair a Bluetooth device, select the Bluetooth input and press the Pairing button. Search for 'Dynasty ProAudio PX2' on your device and connect. The PX2 features a Qualcomm® aptX™ Lossless Bluetooth 5.3 chipset for high-speed transmission, stable connections, and RF anti-interference.
6.6 USB DAC Operation
Connect your computer or other digital audio source to the USB DAC input. The PX2 supports standard stereo PCM digital audio, allowing you to access audio stored on a thumb drive or stream from your computer.
6.7 Microphone Usage
Plug a 1/4” microphone into the front panel Mic In jack. Adjust the Mic Level knob to control the microphone's volume. The low-noise microphone preamp ensures clear sound.
7. Maintenance
- Clean the unit with a soft, dry cloth. Do not use liquid cleaners.
- Keep the unit free from dust and debris.
- Ensure all connections are secure and free from corrosion.
8. Troubleshooting
- No Sound: Check all cable connections, ensure the correct input source is selected, and verify that the volume is not muted or set too low.
- Distorted Sound: Check input levels for clipping, ensure cables are securely connected, and try adjusting tone controls.
- Bluetooth Connectivity Issues: Ensure the PX2 is in pairing mode, your device's Bluetooth is on, and there are no obstructions between the devices. Try unpairing and re-pairing.
- Humming/Noise: Ensure proper grounding for turntables. Check for loose connections or interference from other electronic devices.
9. Specifications
| Feature | Value |
|---|---|
| Product Dimensions | 17 x 8.8 x 1.12 inches |
| Item Weight | 6.4 pounds |
| Item Model Number | PX2 |
| Bluetooth Version | 5.3 with Qualcomm® aptX™ Lossless |
| Inputs | 4 RCA Line, 1 RCA Phono, 1 S/PDIF (Optical), 1 USB DAC, 1/4” Mic In |
| Outputs | Full Range Stereo, X-Over, Sub Mono, 1/4” Stereo Headphone |
| Equalization | 3-band EQ (Bass, Mid, Treble), Loudness, Low-cut Crossover |
| Design | 1U Rack-mountable with removable feet |
10. Warranty and Support
For warranty information and technical support, please refer to the documentation included with your product or visit the official DYNASTY PROAUDIO website. Keep your purchase receipt as proof of purchase for any warranty claims.
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