HILL AUDIO QPA-2800
Digitally Controlled Linear 4-Channel Power Amplifier
CONCEPT
The QPA2800 follows contractor requirements for a compact, powerful and easy-to-handle 4-channel amplifier to drive multichannel low-impedance loads.
Built on the proven LPA series’ technology, this amplifier basically comprises of two LPA1400 in one case.
Description
CONCEPT
The QPA2800 follows contractor requirements for a compact, powerful and easy-to-handle 4-channel amplifier to drive multichannel low-impedance loads.
Built on the proven LPA series’ technology, this amplifier basically comprises of two LPA1400 in one case.
Each pair of channels can be run in stereo, bridge or parallel mono mode.
A newly designed high-CMRR input circuit proves useful where source and amplifier are far apart.
The LPA-based hybrid approach to amplification, using proprietary digital control of limiters and filters while retaining a purely analogue signal path, gives high dynamic reserves without compromising tonal purity.
Proven linear power supply technology yields predictability at any power level.
Two large 3 colour LCD displays clearly indicate the status at any time, and are legible from long distances.
Sources can be connected via Combo input sockets or 3.5mm Phoenix terminals, and loads can be connected both via Speakon and via terminal strips.
FEATURES
– Linear quadruple power amplifier
– Bipolar transistor output stages, 2 ohm stable
– Class AB topology
– 2+2 channel dual block design
– Stereo, parallel mono and bridge operation modes for each amplifier block
– Toroidal transformer
– Temperature-controlled dual fan cooling
– Two 71-segment 3-color LCD displays with level meter,temperature readout and status indication
– Digitally controlled limiter and input high-pass filters
– Ultra-high CMRR input circuit for long distances between source and amplifier
– Combo input sockets
– Complementary Phoenix-compatible input sockets
– Speakon-compatible output connectors
– Additional terminal strip outputs
– Powercon AC input
– Resettable circuit breaker for AC input
– Front-detachable air ventilation filter frames
– Full metal chassis
– CE/ROHS compliant
TECHNICAL DATA
– Power x4 @ 8 | 4 | 2 Ohms : 280 | 450 | 700 W
– Power (Bridge) x2 @ 8 | 4 Ohms : 900 | 1400 W
– Damping Factor : > 300
– THD : < 0.03%
– Frequency response : 20Hz – 20 kHz
– AC IN (EU version) : AC220-250V~ 50Hz
– Power consumption : max. 3000W
– Dimensions : W483xH88.5xD425mm
– Weight : 24.3 kg
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