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Summary of Contents for Ashly Pema 8250
- Page 1 Protea Equipped Media Amplifier Operating Manual ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580-9103 Phone: (585) 872-0010 Toll-Free: (800) 828-6308 Fax: (585) 872-0739 www.ashly.com...
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Page 2: Important Safety Instructions
Operating Manual - Pema Protea Equipped Media Amplifi er Important Safety Instructions Consignes de sécurité à lire atten- The lightning fl ash with arrowhead symbol, within an equilateral triangle, Le symbole de la fl èche dans un triangle équilateral symbolisant la foudre is intended to alert the user to the presence of uninsulated "dangerous est prévu pour sensibiliser l’utilisateur à... -
Page 3: Table Of Contents
Operating Manual - Pema Protea Equipped Media Amplifi er Table Of Contents 1 Introduction and Unpacking ......4 2 Pema Amplifi... -
Page 4: Introduction And Unpacking
Ashly’s exclusive Five Year, Worry- Free Warranty remains one of the most liberal policies available on any commercial- grade product. The warranty covers every product with the Ashly brand name, and is offered at no extra cost to you, our customer. -
Page 5: Pema Amplifi Er Models
Cat-6 standard will all work with Pema amplifi ers. Maximum cable distance is 100 meters (328 ft) from the nearest router, hub, or switch. Ashly Pema amplifi ers and NE remotes will auto detect their Ethernet network connection, and adapt to either a straight through pin to pin, or crossover Ethernet cable. -
Page 6: Front Panel Features
2.3d Connecting Device(s) - Connect the Ethernet cable from the PC or network router to the Ashly Pema or NE remote control device. If a successful Ethernet connection has been made, a solid green LED (Link) lights up on the device Ethernet port. -
Page 7: Rear Panel Features
12. Data - These four pins offer serial data control and can be wired to Ashly remote control devices such as the WR-5 or RD-8C. Ashly also offers an in-line converter called the INA-1 that allows the Data Port to be used with other RS-232 controllers. -
Page 8: Amplifi Er Protection
Once the software has been installed on the computer and Ethernet connections have been made successfully, launch the software. All Ashly Pema and NE devices installed on the network will be automatically detected and shown in the active device listing “device tree” on the left side of the Protea software startup window. - Page 9 The project canvas is used to visually represent and control a fi xed physical sound system installation, and can display any of the networked Ashly processors, amplifi ers, and remotes used in that system. The user can also place an assortment of isolated control objects such as level faders, single LEDs, meter bars, etc, and map them to specifi...
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Page 10: Device Options
fi rmware fi le to the amplifi er over the network. Latest fi rmware updates, if available, can be found on the Ashly website. When the amplifi er is put into fl ash reprogram mode, the power and standby LEDs both turn on and all audio function is suspended until fl... -
Page 11: Device Control Tabs
PC connected to the network to recall fi les saved on either the PC or on the device. 2) Use contact closures to load presets 1-4 from memory by wiring switches to the rear panel contact closure connector. 3) Use an Ashly WR-5 or neWR-5 remote control. 4) Use the event scheduler Note: A full preset recall event will overwrite any unsaved changes, so be sure the current confi... - Page 12 Operating Manual - Pema Protea Equipped Media Amplifi er Channel Thermal - This software LED indicator becomes lit when the channel is operating at an excessive and unsus- tainable temperature. Channel Protect - This becomes lit when any amplifi er channel is switched into protect mode, meaning one or more fault conditions are occurring.
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Page 13: Security
The amplifi er's fi rmware revision is shown in the hardware confi guration section as well. From time to time Ashly may post updated fi rmware on our website which can be downloaded and then fl ash reprogrammed to the amplifi... -
Page 14: Dsp Controls
Operating Manual - Pema Protea Equipped Media Amplifi er 3.4d DSP Control Tab Pema DSP Control Tab The DSP tab includes an input side and an output side, with a cross linking matrix mixer in between. Key features of the DSP window include: Input Channel Number - Right click on this to bring up Clear, Copy/Paste, Link, and Sub Preset functions for that input channel. - Page 15 Operating Manual - Pema Protea Equipped Media Amplifi er 5) Delay - Speaker Delay at 48kHz sampling rate is ≤21mS, and Delay is ≤682mS. At 96kHz, ≤10mS and ≤341ms. 6) Metering - -60dBu to +20dBu display 7) Signal Generator - Pink noise, White Noise, Sine Wave Extensive online help information is available for all DSP blocks within the software.
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Page 16: Input Source
Operating Manual - Pema Protea Equipped Media Amplifi er 3.4e Input Source Tab Inputs are analog balanced mic/line, summed analog mono unbal- anced RCA connectors, or digital audio input (optional). Analog mic/ line preamp gain of 0dB, +20dB, +40dB, or +60dB is selected in this window by clicking on the <PRE>... -
Page 17: Pema Remote Control
Up to four different WR-5 remotes can be wired in series and phantom powered from a Pema amplifi er, and more can be added by using an Ashly RPS- WR-2 Wiring 18 remote power supply. -
Page 18: Rd-8C Or Rw-8C Remote Fader Level Control
4.1f INA-1 Inline RS-232 Adapter - The Pema amplifi er Data Port uses a proprietary serial communications protocol which can be converted to RS-232 using the Ashly INA-1 RS-232 adapter. This allows the use of custom designed third party RS-232 controllers. -
Page 19: Remote Control Functions
Operating Manual - Pema Protea Equipped Media Amplifi er neWR-5 Networked Programmable Remote Control Remote Control Functions: The following functions within the Pema amplifi er can be remotely controlled. A listing of the devices by which each function can be controlled is shown below and explained in the following paragraphs: Pema Function Control Device(s) Protea... -
Page 20: Remote Preset Recall
Operating Manual - Pema Protea Equipped Media Amplifi er 2) Protea Software On/Standby - On/Standby in the Pema amplifi er software functions the same as the hardware based remote standby contact closure on the back panel. Clicking on Standby in the Pema amplifi er software control surface places the unit into standby mode until further action is taken to bring the amp out of standby. -
Page 21: Remote Channel Mute
Operating Manual - Pema Protea Equipped Media Amplifi er be set in software for each gain button, with a top and bottom limit assigned per button. Note: To use this feature, a (ne)WR-5 Remote Gain tool must be placed in one of the DSP processing blocks of the channels(s) to be controlled. Refer to section 3.4d, item #2. -
Page 22: Troubleshooting
Operating Manual - Pema Protea Equipped Media Amplifi er 5. TROUBLESHOOTING No AC Power 1) Is the detachable AC power cord properly installed? Is it plugged into a known live outlet? 2) Has the Power switch been disabled in software? (sec 4.2a) 3) Is the amplifi... - Page 23 Operating Manual - Pema Protea Equipped Media Amplifi er neWR-5 Doesn't Work Properly 1) Is the neWR-5 successfully communicating with the network? (sec 2.3d) 2) Is the neWR-5 connected to a switch, hub, router, or power injector providing suffi cient Power Over Ethernet (PoE), or using an external power supply? (sec 4.1e) 3) Is the neWR-5 assigned within its device window to control the desired amplifi...
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Page 24: Specifi Cations
Operating Manual - Pema Protea Equipped Media Amplifi er 6. SPECIFICATIONS 6.1 General Power Amplifi er Specifi cations 0dBu = 0.775V rms Pema Amplifier Model 4125 8125 4250 8250 120VAC 230VAC 120VAC 230VAC 120VAC 230VAC 120VAC 230VAC Continuous Average Power Output Per Channel Low Z models, Stereo Mode, all channels driven 8 , 20Hz-20kHz 1%THD . - Page 25 Operating Manual - Pema Protea Equipped Media Amplifi er Remote Standby Contact Closure ......Euroblock 5.08mm - close contact for standby mode Preset Recall Contact Closure .
- Page 26 Operating Manual - Pema Protea Equipped Media Amplifi er Advanced Gate Controls Notch Filter ....-∞ Key Engage Enable ... Yes Parametric Filter.
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Page 27: Limited Warranty
ASHLY AUDIO, INC. shall be obligated to only correct defects in the product itself. ASHLY AUDIO, INC. is not liable for any damage or injury, which may result from, or be incidental to, or a consequence of, such defects. -
Page 28: Block Diagram
Operating Manual - Pema Protea Equipped Media Amplifi er ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580-9103 Phone: (585) 872-0010 Fax: (585) 872-0739 Toll Free (800) 828-6308 Internet: www.ashly.com Printed in USA 4/11 Pema R2...
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