3.5W Audio Power Amplifier, Black
Series: D
Model: DB-PA3
- Wall-mounted amplifier with 2 inputs
- Balanced input on the rear panel
- Mini-jack input on the front panel
- Automatic switching between inputs
- Source selection using solid-state switching
The D SERIES-PA3 is a high efficiency 3.5W power amplifier with two line inputs and an amplified output to drive 4 or 8 ohm speaker. The -PA3 features balanced line level input that may be connected unbalanced. The gain range will accommodate standard unbalanced levels as well as professional balanced levels.
The amplifier features stereo Mini-Jack input on the front panel. The input is designed to receive standard -10dBV consumer level signals from sources such as a computer or personal media player. The left and right audio signals received on mini-jack are summed to mono and amplified. When source is connected, rear-panel input is switched off. The amplified output level is controlled by a front-panel volume control.
A recessed slide switch on the side of the chassis is set during installation. This switch determines sensitivity of the balanced rear-panel input.
Amplification is provided by high-efficiency class D power stage with audio filtering tailored for crisp, pleasant audio clarity. The high-efficiency class D output stage produces negligible heat for all levels of expected voice or music modulation.
The D SERIES-PA3 is designed to be mounted in a wall box. The front panel does not include any illuminated indicators, making the -PA3 ideally suited to installation in dark rooms or areas. Wiring is connected through a rear-panel detachable terminal block. Module operation is from 24 Vdc ground-referenced power supply.
- Wall-mounted amplifier with 2 inputs
- Balanced input on the rear panel
- Mini-jack input on the front panel
- Automatic switching between inputs
- Source selection using solid-state switching
- Front-panel gain adjustment
- 3.5 Watt RMS audio amplifier into 8 Ohms
- 6.5 Watt RMS audio amplifier into 4 Ohms
- Output drives 4 or 8 Ohm speaker
- Speaker output on rear panel
- High-efficiency class D operation
- Speaker output connection on detachable terminal block
- Ultra-compact all metal construction
- Thermal and short-circuit protection
- Amplifier Type - Power Amplifier
- Must be Level - Yes
- ROHS Compliant - Yes
- Warranty - Yes
- Spec Sheet available - Yes
- Operating Temperature (Maximum): 104 F
- Operating Temperature (Minimum): 32 F
- Maximum Frequency Response (Bandwidth): 20 kHz
- Maximum Frequency Response (Bandwidth): 20000 Hz
- Minimum Frequency Response (Bandwidth): 20 Hz
- Minimum Frequency Response (Bandwidth): 0.02 kHz
- Certifications: CE
- Impedance: 20000 ohm
- Mount Type: Wall
- Power Handling: 3.50 Watt
- Total Harmonic Distortion + Noise (THD+N): 0.10 %
- DC Voltage: 24 Volts
- Depth: 2.05 in
- Height: 4.13 in
- Width: 1.70 in
- Product Weight: 0.27 lbs
- Shipping Weight: 0.41 lbs
- Color: Black
- Noise: -80 dB
- Warranty (Length/Type): 3 Years Limited
- Noise: < -80 dB (below 1 W RMS, balanced input); < -70 dB (below 1 W RMS, Mini-Jack input)
- Inputs (2): 20 kohms balanced or unbalanced bridging
- Input Level: +4 dBu nominal (Balanced, Low input sensitivity); -15 dBV nominal (Unbalanced, High input sensitivity)
- Minimum Input Level: -18 dBu (Balanced, Max. gain); -19 dBV (Unbalanced Mini-Jack, Max. gain)
- Maximum Input Level: +22 (Low input sensitivity); +4 (High input sensitivity) dBu
- Gain Adjustment: Single-turn audio taper (Front-panel)
- Output Power: 3.5 W RMS (Max, into 8 ohms); 6.5 W RMS (Max, into 4 ohms)
- CMRR: > 50 dB (50Hz to 120Hz)
- Power Requirement: 24 Vdc @ 30 mA (Idle); 55 mA (1/8 power; normal voice or music); 225 mA (3.5 W into 8 ohms)
- Package Type: Cardboard Box
- Package dimensions: 3.625 x 4.625 x 2.125 in
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