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Summary of Contents for Ampete 88
- Page 1 Owner's Manual 88 Switching System Ampete Owner's Manual Ampete Engineering GbR Gutenbergstrasse 48 50823 Cologne Germany 49 (0) 221 55 94 118 49 (0) 221 55 94 974 mail engineering@ampete.com www.ampete.com February 2017, Firmware Versions: 88S/88S-STUDIO V2.0, 88R V0.9...
- Page 2 Owner's Manual 88 Switching System __________________________ Ampete Engineering GbR, 2017 Ampete is a registered trademark copyright 2017, all rights reserved...
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Page 3: Foreword
It might surprise you to read this in a manual for an electronic device. We want to make sure you understand that by purchasing an Ampete Engineering Product you will get a device in which we put all our passion, belief and knowledge and that you get a product in the tradition of many great people before us, for whom electronics were and still are wonderful masterpieces. -
Page 4: Table Of Contents
Owner's Manual 88 Switching System Table of Contents Foreword................3 Introduction................5 Switching System Example Setups........... 6 88S..................8 88S / 88S-STUDIO System Hook-Up........10 88S-STUDIO................11 ....12 Using the 88S-STUDIO with or without the remote 88R 88R..................13 Troubleshooting.............. -
Page 5: Introduction
Manufacturers are able to compare a status of an amp development, prototype or competitor models. The „88“ product line consists of three different models which can be used as a stand alone unit (88S- STUDIO) or be combined to a massive system of many many amps and cabinets... theoretical up to 99... -
Page 7: Front Panel
Owner's Manual 88 Switching System Features 8 amplifiers selectable – 8 speaker cabs selectable, up to 2 at a time – optional Line out for driving external power amplifiers when running W/D/W systems – buffered and unbuffered inputs – amplifier and cabinet selection without loss in sound, dynamics or noise –... - Page 8 Owner's Manual 88 Switching System Rear Panel 1. REMOTE OR PREVIOUS SWITCHER RJ45 connector jack for data transmission. Use a standard CAT5 cable in case you extend the system with our remote 88R or another 88S/88S-STUDIO with the next lower ID.
- Page 9 Owner's Manual 88 Switching System 6. AMPS SPEAKER OUTPUT (1-8) Connect one loudspeaker/cabinet/amp output of each amplifier to one of the jacks 1-8. Be aware that these jacks are NOT independent but they correspond to the number of AMP 8S/88S-STUDIO . The maximum power may not exceed 300W. Use...
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Page 11: 88S-Studio
Owner's Manual 88 Switching System 88S-STUDIO Features 8 amplifiers selectable – 8 speaker cabs selectable, up to 2 at a time – optional Line out for driving external power amplifiers when running W/D/W systems – buffered and unbuffered inputs –... -
Page 12: Using The 88S-Studio With Or Without The Remote 88R
Owner's Manual 88 Switching System CABS (1-8) – Cabinet selection switches Select up to two cabinets at the same time by pushing the corresponding illuminated switch(es). A CABS button can only be selected with a speaker cabinet hooked up to the corresponding SPEAKER CABINETS jack. - Page 13 Owner's Manual 88 Switching System Features numeric keypad – three double displays for displaying system status – powered via CAT5 – works with any standard CAT5 cable – „A/B“ and „ALL OFF“ function – footswitch jack for A/B function –...
- Page 14 Owner's Manual 88 Switching System Error Messages If any errors occur during the operation of the 88 system, the 88R displays will show error messages for two seconds before returning to the system status. 1. 'n.c' (not connected) displayed at CAB1 or CAB2: This means that you tried to activate a cabinet that is not plugged in 2.
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Page 15: Troubleshooting
Owner's Manual 88 Switching System Troubleshooting Problem: No signal when an amplifier is chosen. Make sure all amp inputs and speaker outputs are properly connected. Never mix amp in- and outputs to different amplifiers! Problem: No amp can be selected. -
Page 16: A Word On Impedances
Owner's Manual 88 Switching System A word on impedances When it comes to impedances and matching of valve amplifiers and speaker cabinets, there have been written a lot of words and there have been told many opinions, myths and beliefs. And as it is so often in our world, all of them are in between the truth and the untruth. - Page 17 Owner's Manual 88 Switching System The diagram below shows some simple measurements (in that particular case taken with our Amp TWO, a 110 Hz, 150mV sine wave, which is similar to the 'A' strings first harmonic of a Humbucker guitar). The amp impedance switch has been set to either 4 (blue color), 8 (orange) and 16 (yellow) Ohm and in every of these settings a reactive load of 2, 4, 8 and 16 Ohm has been attached to the power amp.
- Page 18 Owner's Manual 88 Switching System But even if the power decreases by almost one third compared to a matching load, the subjective impression will be the volume is nearly the same (as long as the phases of the speaker cabinets are the same).
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Page 19: Dimensions
Ampete Engineering reserves the right to change specifications, whether it's technical, dimensional or in the owner's manual. Fender, Marshall, Vox, RJM or other brands or models are registered trademarks to their respective holders. Ampete Engineering isn't affiliated with them in any way.
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