Related Manuals for FOURAUDIO PPA Series
Summary of Contents for FOURAUDIO PPA Series
- Page 1 PPA Series Datasheet and Manual (HW rev. 2.1) This document covers passively and actively cooled product versions Version 1.9 2017-06-28 © Four Audio GmbH & Co. KG...
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Page 2: Table Of Contents
Content Important Safety Information ............................3 EC Declaration of Conformity ............................6 Introduction ..................................8 Product Specifications ................................ 8 4.1. Cooling Concept ................................ 8 4.2. DRC or 2CH? ................................8 4.3. PPA Versions ................................9 Technical data .................................. 10 5.1. PPA500-Series ................................ -
Page 3: Important Safety Information
Date: 2017-06-28 PPA DSP amplifier user manual 1. Important Safety Information This device complies with the CE and VDE directives and fulfills the requirements of class 1 (DIN EN 62368- 1:2016-05). It has been manufactured and tested with your safety in mind. However, improper use can result in potential electric shock or fire hazards. - Page 4 Date: 2017-06-28 PPA DSP amplifier user manual GENERAL SAFETY INSTRUCTIONS READ THE INFORMATION FOR USE (USER MANUAL). PLEASE KEEP THE USER MANUAL IN A SAFE PLACE DURING THE LIFETIME OF THE PRODUCT. THE USER MANUAL FORMS AN INTEGRAL PART OF THE PRODUCT. RESELLING OF THE PRODUCT IS ONLY POSSIBLE IF THE USER MANUAL IS AVAILABLE.
- Page 5 Date: 2017-06-28 PPA DSP amplifier user manual YOU TO DANGEROUS VOLTAGE OR OTHER HAZARDS, THE AMPLIFIER MAY ONLY BE OPENED BY QUALIFIED PERSONNEL. PLEASE REFER TO YOUR DEALER/DISTRIBUTOR. SERVICING AND REPLACEMENT PARTS: ALL SERVICE AND REPAIR WORK MUST BE CARRIED OUT BY AN AUTHORIZED DEALER/DISTRIBUTOR. WHEN REPLACEMENT PARTS ARE REQUIRED, PLEASE ENSURE THAT THE DEALER/DISTRIBUTOR ONLY USES REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER.
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Page 6: Ec Declaration Of Conformity
Date: 2017-06-28 PPA DSP amplifier user manual NEVER PUSH OBJECTS OF ANY KIND INTO THIS PRODUCT THROUGH OPENINGS AS THEY MAY TOUCH DANGEROUS VOLTAGE POINTS OR SHORT OUT PARTS THAT COULD RESULT IN A FIRE OR ELECTRIC SHOCK. NEVER SPILL LIQUID OF ANY KIND ON THE AMPLIFIER. ACCESSORIES: DO NOT PLACE THIS PRODUCT ON AN UNSTABLE CART, STAND, TRIPOD, BRACKET, OR TABLE. - Page 7 Date: 2017-06-28 PPA DSP amplifier user manual Manufacturer's Name & Address Four Audio GmbH & Co. KG Konrad-Zuse-Str. 4 52134 Herzogenrath Germany Product Names PPA2200-n-AC, PPA1600-n-AC, PPA1000-n-AC, PPA1000-n-PC, PPA500-n-AC, PPA500-n-PC with n as number 1..4 Aachen, May-10-2017 Rainer Thaden...
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Page 8: Introduction
PPA DSP amplifier user manual 3. Introduction The PPA Series provides a high-quality DSP-powered class-D amplifier solution for active loudspeakers. It features amplifier modules from Pascal ®, analogue and digital AES and optional Dante® inputs. The PPA range covers modules with one to four output channels and either active (low-noise fan) or passive cooling. -
Page 9: Ppa Versions
Date: 2017-06-28 PPA DSP amplifier user manual 4.3. PPA Versions The PPA 500 to 1000 Versions are also available in a passively cooled version, which makes them particularly suitable for Hi-Fi or cinema applications. (standard values in bold) Type Output Pascal Analog Dante... -
Page 10: Technical Data
Date: 2017-06-28 PPA DSP amplifier user manual 5. Technical data 5.1. PPA500-Series PPA500-1 PPA500-2 PPA500-3 PPA500-4 Power Amp section Pascal Module(s) T-PRO1 T-PRO2 T-PRO2+S-A1 T-PRO2+S-A2 Total module output power 520 / 470 W (230/120 V) (limited by power supply) Number of amplifier channels Single channel output power Ch. - Page 11 Date: 2017-06-28 PPA DSP amplifier user manual Dante ® (optional) RJ45 USB Type B for configuration, preset generation etc. use Four Audio PPA software Mains in Neutrik PowerCon True General Mains input voltage 85 VAC – 265 VAC, 45-65 Hz Idle power consumption 17 W Dimensions (WxH)
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Page 12: Ppa1000-Series
Date: 2017-06-28 PPA DSP amplifier user manual 5.2. PPA1000-Series PPA1000-2 PPA1000-3 PPA1000-4 Power Amp section Pascal Module(s) S-PRO2 S-PRO2+S-A1 S-PRO2+S-A2 Total module output power 1000 / 700 W (230/120 V) (limited by power supply) Number of amplifier channels Single channel output power 245 W at 8 Ω... - Page 13 Date: 2017-06-28 PPA DSP amplifier user manual Low-/Highpass 6 and 12 dB, Bell filter, allpass, shelving filter 6 dB and 12 dB Crossovers Bessel, Butterworth, Linkwitz-Riley, Critical Other DSP features input delay, output delay, phase inversion, gain Linear phase X-over and linear phase loudspeaker equalization Connectors Analog in 1...
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Page 14: Ppa1600 And 2200-Series
Date: 2017-06-28 PPA DSP amplifier user manual 5.3. PPA1600 and 2200-Series PPA1600-2 PPA2200-1 PPA2200-2 PPA2200-3 Power Amp section Pascal Module(s) M-PRO2 X-PRO1 X-PRO2 X-PRO3 Total module output power 1400 / 1350 W 2200 / 2100 W (230/120 V) (limited by power supply) (230/120 V) Number of amplifier channels Single channel output power at... - Page 15 Date: 2017-06-28 PPA DSP amplifier user manual Analog input SNR 128 dB(A) Output SNR 112 dB(A) Limiters Look ahead peak limiter, thermal limiter, overall power supply limiter Low-/Highpass 6 and 12 dB, Bell filter, allpass, shelving filter 6 dB and 12 dB Crossovers Bessel, Butterworth, Linkwitz-Riley, Critical Other DSP features...
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Page 16: Block Diagram Of Signal Processing
Date: 2017-06-28 PPA DSP amplifier user manual 6. Block Diagram of Signal Processing For the analog inputs, both available configurations are shown. The Dual Range Converter (green box)uses the same input signal with different gains at the two A/D Converter channels. The DRC algorithm in the DSP decides which of the signals is to be used to achieve best signal-to-noise ratio. -
Page 17: Loudspeaker Connections
Date: 2017-06-28 PPA DSP amplifier user manual 7. Loudspeaker Connections Follow these instructions to connect your speaker chassis to the amplifier module. For better EMC compliance, use a ferrite on the speaker wires to reduce radiated emissions. For example, a 74270095 from Wuerth can be used. -
Page 18: Ppa500 And 1000 / Pascal® T/ S-Pro Module
Date: 2017-06-28 PPA DSP amplifier user manual 7.1. PPA500 and 1000 / Pascal® T/ S-PRO Module Use JST-VH series connectors for the speaker output socket Speaker Female connector: JST VHR-4N (Farnell 630494) Crimp Pin: JST SVH-21T-P1.1 or SVH-41T-P1.1 (Farnell 630500) Figure 6 PPA1000 / S-PRO2 location of CON702 Table 1 PPA1000 / S-PRO CON702 connector... -
Page 19: Ppa1600 / Pascal® M-Pro Module
Date: 2017-06-28 PPA DSP amplifier user manual 7.2. PPA1600 / Pascal® M-PRO Module Use the following parts for the speaker output sockets: Cable connector housing Molex 42021-2A (Farnell 1393363) Cable connector pin Molex MLX 42024 (Farnell 2396371) Figure 8 PPA1600 / M-PRO2 location of speaker outputs Please note: The output connector ST500 is rotated by 180 degrees, thus the output of ST500 (Ch. -
Page 20: Ppa2200-1 To 3 / Pascal® X-Pro1 To 3
Date: 2017-06-28 PPA DSP amplifier user manual 7.3. PPA2200-1 to 3 / Pascal® X-PRO1 to 3 Use the following parts for the speaker output sockets: Cable connector housing Molex 42021-2A (Farnell 1393363) Cable connector pin Molex MLX 42024 (Farnell 2396371) Differences between the X-PRO 1…3 series Figure 9 PPA2200 / X-PRO Location of Speaker Sockets... -
Page 21: Preset Or Source Selector
Date: 2017-06-28 PPA DSP amplifier user manual Table 3 PPA2200 / X-PRO speaker connection (ST100, 300, 500) Connector Description ST100 CH1 OUT+ The amplified speaker signal of channel 1 is available on this pin ST100 CH1 OUT- This pin is used for the GND signal of the channel 1 speaker ST300 CH2 OUT+ The amplified speaker signal of channel 2 is available on this pin... -
Page 22: Installation
Date: 2017-06-28 PPA DSP amplifier user manual Note: Make sure to pull unused pins to DGND (Pin 6). 9. Installation In future versions of this manual, we will supply some guidelines for the proper assembly of the PPA into your loudspeaker. -
Page 23: Cad Drawings
Date: 2017-06-28 PPA DSP amplifier user manual 10. CAD Drawings t.b.d. -
Page 24: Pc Software
Date: 2017-06-28 PPA DSP amplifier user manual 11. PC Software Contact Four Audio via info@four-audio.com to obtain a link to download the software and driver. 11.1. Driver installation You need to install a USB driver to be able to establish a connection to a PPA. This needs to be done only once and not for every PPA module. -
Page 25: Application Key
Date: 2017-06-28 PPA DSP amplifier user manual 11.2. Application Key Certain features of the software are protected by key files which need to be installed. Without installing at least one key (that we ship to you with the software), you will not be able to do anything. Click on File –... - Page 26 Date: 2017-06-28 PPA DSP amplifier user manual Device selection SE / BTL mode Signal source selection Preset list curves section new Preset Figure 13 PPA Developer First select a PPA device (in this example we are using a PPA-2200-3) and select Single Ended or Bridge Tied Load mode.
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Page 27: Speaker Tab
Date: 2017-06-28 PPA DSP amplifier user manual 11.3.1. Speaker Tab In the speaker tab, you can import speaker measurements. Without dedicated measurements, you can create usual linear-phase FIR crossovers without compensating the speaker. Using measured speaker responses makes enter the measurement microphone distance matching the one in the files. - Page 28 Date: 2017-06-28 PPA DSP amplifier user manual...
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Page 29: Crossover Tab
Date: 2017-06-28 PPA DSP amplifier user manual 11.4. Crossover Tab Activate the crossover tab and select the crossover type FIR with speaker compensation. The target SPL of 100 dB and the latency of 10ms are ok for this example. In the curves section select the measurements for Output one and two. For this example we are using a crossover frequency of 400 Hz . - Page 30 Date: 2017-06-28 PPA DSP amplifier user manual Figure 17 XOV Settings for Subwoofer and Satellites For output 1, we set the high-cut frequency to 400 Hz with a slew-rate of 24 db/Oct. For outputs 2 and 3, we use the same value as low-cut and set a high-cut at 20 kHz with Butterworth characteristic. Now set the amount of FIR filter coefficients.
- Page 31 Date: 2017-06-28 PPA DSP amplifier user manual choose XOV type filter latency Graphical representation of the crossover for each input Crossover parameters for each output - Low Cut - High-Cut - smoothing and FIR filter taps Figure 18 Crossover Tab dashed: FIR filter magnitude dotted: speaker measurement solid: result of both...
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Page 32: Eq Gain Tab
Date: 2017-06-28 PPA DSP amplifier user manual 11.5. EQ Gain Tab The EQs are applied to the signal additionally to the FIR filters. You can add Master EQs belonging to the system setup or add Room EQs which the end user will be able to change with the end user control application. ... -
Page 33: Limiter Tab
Date: 2017-06-28 PPA DSP amplifier user manual 11.6. Limiter Tab To adjust the limiters for each output consult the chassis datasheets. A “simple” limiter consists of a look-ahead Peak and a RMS section for each output. It is also possible to use 2-band limiters per output, e.g. to adjust limiters for a coaxial driver or a speaker with a passive crossover. -
Page 34: Firmware Update
Date: 2017-06-28 PPA DSP amplifier user manual Figure 22 Upload Developer Project to Device 11.8. Firmware Update To update the PPA firmware, follow these steps: Open the Four Audio PPA software. The PPA Manager window opens. Connect to the amplifier you wish to update via USB. The amplifier will appear in the PPA Manager’s device list Click on the gear wheel and select Switch to Firmware Update Mode (Figure 23) A new drive named PPA-FWU will appear in the Windows Explorer... - Page 35 Date: 2017-06-28 PPA DSP amplifier user manual...
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Page 37: Contact
Date: 2017-06-28 PPA DSP amplifier user manual 12. Contact Four Audio GmbH & Co. KG Konrad-Zuse-Str. 4 52134 Herzogenrath, Germany +49 2407 953 935 0 info@four-audio.com Document Revision History Date item Version 2017-06-27 Preliminary release with software guidelines. 2017-06-09 Major update of all technical information to HW Rev. 2.1, Added complete PPA product range 2017-04-27 Added BTL for X-PRO3...
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