https://cablematic.com/en/products/professional-sound-amplifier-80w-110v-3-zones-with-mp3-aux-mic-rack-KN057/
Professional sound amplifier 80W 110V 3 zones with MP3 AUX MIC rack
- Compact amplifier for sounding public spaces, companies, businesses, schools, etc.
- Model with support of two microphones, two inputs to auxiliary line and MP3 player.
- It has three speaker zones. Each zone has a potentiometer with 6 positions to regulate the output power.
- The MIC-1 has priority over the rest of the input channels. Auto-MUTE function when activatingMIC-1.
- MASTER volume for general regulation of all loudspeaker output lines.
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- Compact amplifier for sounding public spaces, companies, businesses, schools, etc.
- Model with support of two microphones, two inputs to auxiliary line and MP3 player.
- It has three speaker zones. Each zone has a potentiometer with 6 positions to regulate the output power.
- The MIC-1 has priority over the rest of the input channels. Auto-MUTE function when activatingMIC-1.
- MASTER volume for general regulation of all loudspeaker output lines.
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Purchased together regularly
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Amplifier specially designed for ambient sound, professional sounds of public spaces, for offices, shops, shops, and in those places where you want to listen to music or acoustic messages. Ideal for professional voicing of spaces, buildings, companies, etc. Consult our range of professional loudspeaker speakers, to combine them with this amplifier.
Specifications
- Compact amplifier for sounding public spaces, companies, businesses, schools, etc.
- Model with support of two microphones, two inputs to auxiliary line and MP3 player.
- It has three speaker zones. Each zone has a potentiometer with 6 positions to regulate the output power.
- The MIC-1 has priority over the rest of the input channels. Auto-MUTE function when activatingMIC-1.
- MASTER volume for general regulation of all loudspeaker output lines.
- Three types of speaker connection: 4-16 Ohms, 70 V and 110 V.
- Output power to speakers: 80 W.
- Response frequency: 40 Hz - 18 kHz.
- It is directly connected to the 220 VAC power network (50-60 Hz).
- Mounted in metal housing.
- Rack format 19 "height 2U.ontal and protective.
- Size: 482 x 310 x 88 mm.
- Weight: 8 Kg.
Controls
- Switch ON/OFF.
- Volume adjustment potentiometer MASTER.
- BASS and TREBLE level adjustment potentiometer.
- Volume adjustment potentiometer MP3.
- Potentiometer for volume adjustment AUX1 and AUX2.
- Volume adjustment potentiometer MIC1 and MIC2.
- Potvolume adjustment enmetrometer of speaker zones SP1, SP2 and SP3. Each potentiometer has 6 positions.
- MP3 sound controls.
Connections
- 110 V speakers output (3 terminals SP1, SP2 and SP3).
- 70 V speakers output (terminals).
- Output speakers 4-16 Ohms (terminals).
- Auxiliary line input 1 (2 x RCA female).
- Auxiliary line input 2 (2 x RCA female
- Gross Weight: 9.0 kg
- Product size (width x depth x height): 48.2 x 36.8 x 9.9 cm
- Number of packages: 1
- Packages size: 53.4 x 43.5 x 16.3 cm
Technical terms
- Impedance
- USB
- RACK 19
- MicroUSB
- Mini USB
- Hz
- USB 3.0
- Reversible USB Type-C
- RCA
- Rack unit (U)
- VAC
Impedance (Z) is the total opposition that a circuit offers to alternating current (AC) flow when a specific voltage is applied.
Unlike simple resistance, impedance is a complex quantity comprising resistance (the real part) and reactance (the imaginary part, representing inductive or capacitive effects). In the frequency domain, impedance is represented as a phasor, accounting for both magnitude and phase shift between voltage and current. In DC circuits, impedance reduces to pure resistance with zero phase angle.
| Parameter | Technical Spec |
|---|---|
| Symbol | Z |
| Unit | Ohm (Ω) |
Impedance management is critical in high-speed hardware design and signal integrity. In modern PCB manufacturing, controlled impedance ensures that high-frequency signals reach their destination without reflections, which is vital for PCIe or DDR5 performance.
Complex Domain Analysis
Mathematical modeling of impedance using the j-operator allows engineers to optimize filter performance and resonance characteristics in electronic systems.
Key Advantages
- Maximum power transfer through impedance matching.
- Minimized signal reflections in high-frequency transmission lines.
- Improved electromagnetic compatibility (EMC).
Note: Impedance is the cornerstone of modern AC circuit theory and high-frequency design.
