Related Manuals for AGD Alto
Summary of Contents for AGD Alto
- Page 1 AGD Productions, Inc. AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 1 of 24...
- Page 2 AGD Productions, Inc. AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 2 of 24...
- Page 3 BE CERTAIN TO INSTALL IT IN A SECURE LOCATION FROM WHICH IT CANNOT FALL OR TIP OVER. TIME SPENT FAMILIARIZING YOURSELF WITH THIS MANUAL WILL BE WELL REWARDED. AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 3 of 24...
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Page 4: Table Of Contents
11. Operation ............... page 17. 12. Remote Control Operation ..........page 18. 13. Troubleshooting ............. page 19. 14. Specifications ..............page 22. 15. CE and FCC Certification..........page 23. AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 4 of 24... -
Page 5: About This Document
This user manual is integral part of the AGD “ALTO” and must be available and consulted prior the installation of the equipment. - Page 6 I have always been driven by my passion to merge perfection and beauty in the art of Audio reproduction. After the launch of the AGD “TEMPO” we wanted to create a perfect companion preamplifier and so, the AGD “ALTO” is our new compact reference analog preamplifier.
- Page 7 AGD Productions, Inc. IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS: All the safety and operating instructions of your AGD ALTO PREAMPLIFIER should be read before power is applied to the equipment. RETAIN OWNER'S MANUAL: These safety and operating instructions should be retained for future reference.
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Page 8: Introduction
With his built-in fully balanced phono stage (MM & MC), a volume control with the most thermally stable and high precision resistor ladder circuit, the “ALTO” is by design the perfect companion preamplifier for our “TEMPO” and “Audion MkII”... -
Page 9: Main Features
• Three analog outputs (for multi-amplification solutions. • 1 XLR balanced output (6.4VRMS max) • 2 Single-ended stereo output (low/high pass X-Over customizable) • Remote control. • 12V output Trigger. AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 9 of 24... - Page 10 AGD Productions, Inc. UNPACKING Unpacking All AGD products shipping boxes have been specially designed to protect their contents and special care has been taken to prevent damage under normal shipping conditions. When unpacking the product: • Mishandling should be evident upon inspection of the flight case.
- Page 11 AGD Productions, Inc. INSTALLATION POWER REQUIREMENTS: The AGD “ALTO” has universal voltage input configuration and can operate between 90~264VAC 50/60Hz single phase. A detachable IEC power cable intended for use in the region where the unit is sold is included.
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Page 12: Front Panel Functions And Operation
AGD Productions, Inc. FRONT PANEL FUNCTIONS AND OPERATION All keys of the AGD “ALTO” are touch-sensitive (no mechanical movement) hence attention to familiarize with their operation is required. The functions of the left end side switch group are: Stand-by - Switches the unit from stand-by to operational mode. - Page 13 Menu navigation (up). Enter ▪ Apply input selection ▪ Select highlighted menu item. Volume Down ▪ Turn the volume control Down by one step ▪ Menu navigation (down) AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 13 of 24...
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Page 14: Back Panel Connectors
Note: A ground screw connection is made available next to the Phono Input (Analog Input 1). Use this ground binding terminal to secure the connection of the ground wire from the Turntable. AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 14 of 24... - Page 15 One pair of XLR (balanced output) • 2 pairs of RCA (single ended outputs). The ALTO output interface is then capable of driving up to six different independent amplification channels. The buffer output stage circuit is designed around a professional grade operational amplifier ICs with output characteristics capable to drive any system of amplification thanks to an output impedance of ~50Ω...
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Page 16: Ac Power Entry Module
Fuse Holder IEC Power Cable Input The AGD “ALTO” has universal voltage input configuration and can operate between 90~264VAC 50/60Hz single phase. A detachable IEC power cable intended for use in the region where the unit is sold is included. -
Page 17: Operation
ON. A red light will illuminate. The unit is powered-up. • Please note that LED lights of the “ALTO” will illuminate the front panel area. • At this point the unit enters automatically in STAND-By mode. -
Page 18: Remote Control Operation
AGD Productions, Inc. REMOTE CONTROL REMOTE CONTROL FUNCTIONALITIES: ▪ All functions of the AGD ALTO are available via Remote control. ▪ The “ALTO” is compatible with a standard Apple Remote type, included with the unit, ▪ The Remote control delivered with the unit is already setup to work with the “ALTO”... -
Page 19: Troubleshooting
• Make sure every input cable is correctly inserted. • Make sure the preamp is not muted. • Make sure all associated components are connected to working electrical outlets and powered on. AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 19 of 24... - Page 20 AGD “ALTO”. IF ALL ELSE FAILS… • Contact your authorized AGD Productions, Inc. dealer and/or contact AGD Productions Customer Service at www.AGDproductions.com AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 20 of 24...
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Page 21: Specifications
12V, 0.1A DC Trigger Output 20”x 16”x 7.5” (500 x 406 x 190mm) Flight Case Dimension Net Weight 11lb/5Kg Gross Weight 17lb/8Kg Input voltage Universal (110-240V, 50-60Hz) AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 21 of 24... - Page 22 Directive: 2014/30/UE (EMC), 2014/35/UE (LVD), 2011/65/UE (RoHS) Palos Verdes Estates, March 28th, 2020 Alberto Guerra, President and CEO AGD Productions, Inc. ……………………………… AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 22 of 24...
- Page 23 AGD Productions, Inc. Notes ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 23 of 24...
- Page 24 AGD Productions, Inc. AGD ALTO REFERENCE ANALOG LINE AND PHONO PREAMPLIFIER Operating Manual Page. 24 of 24...
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