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Grant Fidelity RITA-880S Tube Amplifier
Thank you for your purchase of the Grant Fidelity Reference
Integrated Tube Amplifier (RITA-880). The product was originally
sold as RITA-880 model without any upgrade tubes. Later on
Rita was provided with upgraded tubes included in the price
hence the model number is referred as RITA-880S.
From our new production run in mid 2012, we have upgraded
the capacitors inside the amp to Beryllium Copper high end
capacitors. The amplifier model remains as RITA-880S and
upgrade tubes becomes optional to buyers. Please read our
website product listing page for detailed information about tubes
included with your purchase price.
As a high quality audiophile tube amplifier, the RITA-880S will
bring you many years of enjoyment if the amplifier is used and
maintained properly.
First Time Use
Please carefully unpack your RITA-880S and keep all packaging
material for later use and storage. Your package includes the
amplifier, the remote control and the high end power cord
provided.
Your amp may have jumper resistors on the speaker terminals
from the factory. These are visible from the outside of the amp.
Please remove them when hooking up your speakers. They are
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Related Manuals for Grant Fidelity RITA-880S
Summary of Contents for Grant Fidelity RITA-880S
- Page 1 Please read our website product listing page for detailed information about tubes included with your purchase price. As a high quality audiophile tube amplifier, the RITA-880S will bring you many years of enjoyment if the amplifier is used and maintained properly.
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Page 2: Tube Installation
there to avoid damage to amp if turned on without speakers hooked up. Depending on shipping arrangement, you may find all tubes (8 in total) packed under the top cover (remove the top 6 screws to access the tubes), or packed in a separate shipping box. Tube Installation: Install each tube into its correct socket as shown and described below:... - Page 3 2. The amp is pre-biased by Grant Fidelity before shipping – all tubes are marked for its socket position on either the individual tube box, or on a smaller sticker on each tube. Please follow such markings while you install your tubes for the first time.
- Page 4 Front Panel Buttons: Digital Readout: Volume Display /Mute digit: input # Last 2 digitals: volume Volume Mode / Input Down Selection Power On/Off Left 1st and 2nd buttons: for volume adjustment Middle button: Power on/off. Please note that tube amp should not be frequently turned on and off –...
- Page 5 Digital Read-out: The 3 digits readout display includes two types of information – 1 digit is the input the amp is playing, 2 digits together is the volume level the amp is playing at (ranging from 01 to 99). Although the volume display can go up to 99 (maximum two digits LED display), it does NOT mean the amp can be played at volume setting of 99 all the time.
- Page 6 Left side: 4 RCA inputs (numbered as 2 to 5) 1 XLR input (numbered as 1) When connecting your source (such as CD player) to the amplifier, make sure to match Left and Right channel correctly. This is usually done by matching Red to Red, Black to Black. When connecting XLR cable to the amplifier, please make sure the pins are aligned correctly then gently push in.
- Page 7 Main Power fuse holder: The main power fuse is located above the power socket and hidden in a fuse holder. Use a flat knife to pry open the fuse holder to access the fuse. This amp uses a 5x20mm size 10 amp 250V fast blown glass fuse.
- Page 8 – you may damage the connections of the terminal inside the amp. Operations: The RITA-880S is simple to use. 1. Before turning the amplifier on, double check to make sure that your source component (such as CD player) is connected correctly to one of the 5 inputs at rear;...
- Page 9 working with your source and your speakers as a new combination to produce beautiful sound. 5. New electronics and new tubes need a break-in time to sound to its best. We suggest you not to play the amp too loud during this break-in process and do not leave the amp unattended during such process for extended time.
- Page 10 at your house could result in a much larger change in your tube amp, hence alter the condition that your vacuum tubes are working in, which may in turn damage your tubes permanently. We strongly suggest you to purchase a properly made for-audio power conditioning device to protect your amp and your tubes from power spike and surge damages.
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Page 11: Maintenance/Warranty
Attempting any repairs or modifications will void your warranty. Tube rolling with new production tubes provided by Grant Fidelity is fine. In the event a tube roll from a tube sourced from other supplier causes damage to your amp, the warranty will be void.
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