Hill Audio QPA-2800 User Manual

Quad digitally controlled linear audio power amplifer

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RevB 03-2016

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Summary of Contents for Hill Audio QPA-2800

Page 1 RevB 03-2016...
Page 2: Important Safety Instructions
USER MANUAL - QPA2800 AMPLIFIER Welcome Thank you for choosing Hill Audio for your sound system. To make sure that this product meets your expectations and provides long-term, reliable performance, please read and follow this instruction manual carefully. Manual Language This user manual is written in English.
Page 3: Health Advice
(class AB). It comes with full micropro- cessor control of all protection functions (short-circuit, DC, overheat) and Hill Audio’s innovative Pow- erEdge™ limiter which adjusts the input limiter threshold automatically based on the available AC supply voltage.
Page 4: Controls And Connections
USER MANUAL - QPA2800 AMPLIFIER Controls and Connections Note that using the Connections - Rear Phoenix-type connectors (6) requires mirrored lead assignment between A1&B1 vs. A2&B2. PUSH PUSH PUSH PUSH SPEAKON_A1(2) A1(2)_OUTPUT+ A1(2)_OUTPUT- Use 1+ & 1- plus 2+ & 2- cabling with Speakon connectors A1 and A2 if a signal transmission of both outputs through one 4-lead cable is...
Page 5: Functional Description
USER MANUAL - QPA2800 AMPLIFIER Functional Description The QPA2800 is an analog audio power amplifier with four channels (2 pairs x2), where each pair can be used with independent input signals (stereo mode), identical input signal (parallel mode) or in bridge mode as a single channel amplifier.
Page 6 USER MANUAL - QPA2800 AMPLIFIER Mode selector switch. Selects the operation mode (see explanation of operation modes in chapter “setting the operation mode”). Pressing this button toggles between the STEREO and the PARALLEL mode. To activate/deactivate the BRIDGE mode, hold this button pressed while powering on.
Page 7: Setting The Operation Mode
USER MANUAL - QPA2800 AMPLIFIER Protection status indicator. These are two individual protection status indicators for channels A1/A2 and B1/B2, which light up when the protection circuit for any of the two channels engages. This may happen if DC is detected on a channel’s output, if a channel’s output is exposed to a short circuit or if the temperature of the amplifier exceeds safe levels.
Page 8 USER MANUAL - QPA2800 AMPLIFIER Installation, Cooling and Wiring Rack Mounting Due to the weight of the unit, rack mounting shall only be expedited in racks with additional rear mounting profiles and internal front-to-rear support shelf rails, in order to avoid the complete unit weight to be only held by the units’...
Page 9: Operation
USER MANUAL - QPA2800 AMPLIFIER Operation A. Connections For connecting this unit to AC mains, please note: Check whether the AC mains voltage and frequency is the same as this product is specified for (see rear panel of product). Whenever the specified voltage or your AC plug should not match the local conditions, do NOT plug the AC cord into the wall outlet and contact you dealer immediately.
Page 10 USER MANUAL - QPA2800 AMPLIFIER Connections The QPA2800 series amplifier uses the below connector types, for which the pin assignment must comply with the following specification. Always make sure to use good connectors and cables to ensure proper operation. Balanced signal connections are to be preferred over unbalanced connec- tions where applicable and feasible.
Page 11: Technical Specifications
USER MANUAL - QPA2800 AMPLIFIER Technical Specifications Parameter/Model QPA2800 Power @ 8Ohm x4 280 W Power @ 4Ohm x4 450 W Power @ 2Ohm x4 650 W Power @ 8Ohm (Bridge x2) 900 W Power @ 4Ohm (Bridge x2) 1250 W Circuit Class AB Frequency Response...
Page 12: Ec Declaration Of Conformity
Burnham-on-Crouch, 16. Dec. 2015 Place and date of issuing Authorized Signature www.hill-audio.com Hill Audio products are developed, manufactured and distributed by Adelto Technologies Unit 2A Springfield Road, Springfield Industrial Estate, Burnham-on-Crouch, Essex CM08UA, England www.adelto.com | sales@adelto.com...