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Summary of Contents for AGD ALTO MKII
- Page 1 AGD Productions, Inc. AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 1 of 28...
- Page 2 AGD Productions, Inc. AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 2 of 28...
- Page 3 AGD Productions, Inc. AGD ALTO MKII Reference Analog and Digital Preamplifier By AGD Productions, Inc. AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 3 of 28...
- Page 4 BE CERTAIN TO INSTALL IT IN A SECURE LOCATION WHERE IT CANNOT FALL OR TIP OVER. TIME SPENT FAMILIARIZING YOURSELF WITH THIS MANUAL WILL BE WELL REWARDED. AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 4 of 28...
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Page 5: Table Of Contents
Introduction ..............page 8. Main Features ..............page 9. Unpacking the AGD ALTO MKII ........page 10. Installation of the AGD ALTO MKII ......... page 11. Front Panel Functions and Operation ......page 12. Back Panel Connectors ........... page 14. -
Page 6: About This Document
This user manual is an integral part of the AGD “ALTO MKII” and must be available and consulted prior to the installation of the equipment. - Page 7 Crafted with the same care and dedication as all AGD products, the “ALTO MKII” is a superior musical preamplifier and the perfect companion to the AGD line of GaN Amplifiers. The Alto MKII Phono stage, a fully balanced topology, has superior performances, thanks to the lowest noise and high dynamic circuitry, to satisfy the most demanding Audiophile.
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Page 8: Important Safety Information
AGD Productions, Inc. IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS: All the safety and operating instructions of your AGD ALTO MKII 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. -
Page 9: Introduction
AGD Productions, Inc. INTRODUCTION The AGD “ALTO MKII” is a complete audiophile Analog and Digital Reference Preamplifier that delivers unique features and components in a single beautifully crafted single billet aluminum cabinet. With his built-in fully balanced phono stage (MM & MC) and now the optional R2R DAC with a full- fledged versatile Network Player, the “ALTO MKII”... -
Page 10: Main Features
32-bit / 384 kHz). Clock / Jitter control Digital block- synchronizes incoming data with an internal clock reference generator, removing jitter. Remote control. AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 10 of 28... - Page 11 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.
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Page 12: Installation
AGD Productions, Inc. INSTALLATION POWER REQUIREMENTS: The AGD “ALTO MKII” has a universal voltage input configuration and can operate between 90~264VAC 50/60Hz single phase. A detachable IEC power cable is included in the region where the unit is sold. WARNING: The unit should be operated only at the rated voltage indicated on the power connector. -
Page 13: Front Panel Functions And Operation
AGD Productions, Inc. FRONT PANEL FUNCTIONS AND OPERATION All keys of the AGD ALTO MKII are touch-sensitive (no mechanical movement); hence, familiarization 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 14 Select the highlighted menu item. Volume Down Turn the volume control Down by one step Menu navigation (down) De-activate the HT-Pass Through function of the selected input AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 14 of 28...
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Page 15: Back Panel Connectors
AGD Productions, Inc. BACK PANEL CONNECTORS DIGITAL INPUTS The AGD ALTO MKII has a complete front end of digital signal inputs. • All the digital input connectors are in the upper area of the back panel. • Please refer to the above picture to locate their positions and identify the functionality. -
Page 16: Analog Inputs
AGD Productions, Inc. BACK PANEL CONNECTORS ANALOG INPUTS: The AGD ALTO MKII has four different analog inputs. • All the Analog input connectors are located on the bottom left area of the back panel. • Please refer to the above picture to locate their positions and identify the functionality. -
Page 17: Analog Outputs
One pair of XLR (balanced output) • 2 pairs of RCA (single-ended outputs). The ALTO MKII output interface can drive up to six independent amplification channels. The buffer output stage circuit is designed around professional-grade operational amplifier ICs with output characteristics capable of driving any amplification system thanks to an output impedance of ~50Ω... -
Page 18: Ac Power Entry Module
Fuse Holder IEC Power Cable Input The AGD “ALTO MKII” has a universal voltage input configuration and can operate between 90~264VAC 50/60Hz single phase. A detachable IEC power cable is included for use in the region where the unit is sold. -
Page 19: Operation
Screen 3: DAC Digital filters Selection (if Digital option is installed) ▪ SD Slow / SD Sharp ▪ Slow / Sharp Bypass ▪ Dither ▪ De-emphasis. AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 19 of 28... - Page 20 THE AGD ALTO MKII streaming function is available via Ethernet port (LAN). • Once the LAN input is selected, the AGD ALTO MKII acts as DNLA, UPNP renderer or as ROON End Point (only via AirPlay), or Airplay enabled player (and it is recognized as such by the relevant application software in use).
- Page 21 BUBBLE UP&P (available only on Android), or MConnect (available in Android and Windows), and of course iTunes AirPlay or ROON (please note Roon is only available via Airplay because AGD has not signed and will never sign any privacy violation agreement with Roon). •...
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Page 22: Remote Control Operation
AGD Productions, Inc. REMOTE CONTROL REMOTE CONTROL FUNCTIONALITIES: ▪ All functions of the AGD ALTO MKII are available via Remote control. ▪ The “ALTO MKII” is compatible with a standard Apple Remote type, included with the unit, ▪ The remote control delivered to the unit is already set up to work with the ALTO MKII and requires no additional setup. -
Page 23: Troubleshooting
• In the case of the streaming, make sure the LAN is working and the render selected is AGD ALTO MKII • If Bluetooth is selected, ensure the BT source is paired with AGD ALTO MKII. • Make sure the preamp is not muted. - Page 24 ALTO MKII. IF ALL ELSE FAILS… • Contact your authorized AGD Productions, Inc. dealer and/or contact AGD Productions Customer Service at www.AGDproductions.com AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 24 of 28...
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Page 25: Spécifications
192kHz, 352.8kHz, 384kHz, 705.6kHz, 768kHz Resolution: 16, 24 & 32-bit. DSD64 (2.8224MHz and 3.0720MHz), DSD128 (5.6448MHz and 6.1440MHz) and DSD256 (11.2896MHz and 12.2880MHz), DSD512 (22.5792MHz and 24.576MHz). AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 25 of 28... - Page 26 Trigger 12V, 0.1A DC Output Flight Case 20”x 16”x 7.5” (500 x 406 x 190mm) Dimension Net Weight 11lb/5Kg Gross Weight 17lb/8Kg Universal (110-240V, 50-60Hz) Input voltage AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 26 of 28...
- Page 27 AGD Productions, Inc. Notes ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 27 of 28...
- Page 28 AGD Productions, Inc. AGD ALTO MKII Analog & Digital Preamplifier Operating Manual_Rev_0.3 Page. 28 of 28...
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