Beta Three UA660 2 x 330W 8 Ω Power Amplifier in Penang

The UA Series 2U professional amplifiers have been engineered for reliability where full power is required for extended times in fixed installations or portable applications.. The UA Series delivers extraordinary performance at unmatched
value.

• Housed in a rugged, all-steel 2U chassis
• Rear panel selection switch for Stereo, Parallel and Bridged modes, including Low-cut filter, Ground lift and Limiter switches
• Operates within 8Ω and 4Ω loads
• Innovative heatsink with front to back air flow for efficient cooling
• Variable fan speed is automatically adjusted by temperature
• Electronically balanced XLR inputs
• Touch proof binding post and Speakon outputs
• Precision indented level controls, power switch,
• Protect, Peak and Signal LEDs indicators for each channel
• Amplifier protection includes short circuit, excessive temperature, and DC on outputs

Front Panel:

Rear Panel:

Specifications
Rated Power (Stereo 8 Ω)	2 x 330W
Rated Power (Stereo 4 Ω)	2 x 500W
Rated Power (Bridge 16 Ω)	660W
Rated Power (Bridge 8 Ω)	1000W
Rated Power (Parallel mono 8 Ω)	350W
Rated Power (Parallel mono 4 Ω)	600W
Input Sensitivity	1V
S/N Ratio (A Weight)	>108dB
Frequency Response (+0/-0.25dB)	20Hz-20kHz
Damping Factor	>800 @ 8ohm/100Hz
THD (10% Rated Power)	<0.05%
Input Connector	2 x XLR, 2 x 6.5mm TRS
Input Impedance	20kΩ Balanced, 10kΩ Unbalanced
Output Connectors	2 x NL4 + 4 x Binding post
Cooling	4 x fans, airflow from front to back
Power Supply	220V-230V 50/60Hz, 500VA
Dimensions (W x D x H)	483mm (19”) x 452mm (17.8”) x 88mm (3.5”)
Packaging Dimensions (1 piece/pack)	550mm (21.7”) x 540mm (21.3”) x 175mm (6.9”)
Net Weight (1 piece/pack)	15kg (33.1lb)
Gross Weight (1 piece/pack)	17kg (37.5lb)