Beta 3 U15a Service Manual [work] [FAST]

Specifications on the enclosure construction.

| Parameter | Value | |-----------|-------| | | 2-way active bi-amplified | | LF Driver | 15" woofer, 3" voice coil | | HF Driver | 1.4" titanium compression driver | | LF Amplifier Power | 400W RMS (Class D) | | HF Amplifier Power | 100W RMS (Class AB) | | Frequency Response | 45 Hz – 18 kHz (±3 dB) | | Crossover Frequency | 1.8 kHz (active, 24 dB/octave Linkwitz-Riley) | | Max SPL | 128 dB peak | | Input Sensitivity | 0.775V (0 dBu) for full power | | Input Impedance | 20 kΩ balanced | | AC Power | 100-120V / 220-240V (50/60 Hz) auto-select | | Power Consumption | 550W max |

Replace fuses only with the same type and rating (indicated on the back plate). 3. Component Breakdown and Maintenance Beta 3 U15a Service Manual

The manual defines the operational limits and internal hardware of the U15a unit:

Hi everyone,

By adhering to the procedures outlined in the official service manual, you ensure that your Beta 3 U15a continues to provide high-quality sound for years to come.

is a professional 15-inch, two-way active loudspeaker often used for front-of-house (FOH) or monitor applications. Technical documents and manuals highlight its high-performance bi-amplified design and rotatable horn technology. Core Technical Papers & Manuals Specifications on the enclosure construction

: A unique service feature is the instruction for rotating the 50°–100° x 55° horn . This allows technicians to optimize the coverage pattern whether the unit is being serviced for vertical Front of House (FOH) use or horizontal stage monitor applications.

: XLR input and output connectors for daisy-chaining. Component Breakdown and Maintenance The manual defines the