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Table of Contents
Related Manuals for AvidHiFi SIGSUM
Summary of Contents for AvidHiFi SIGSUM
- Page 1 SIGSUM High Performance Integrated Amplifier USER MANUAL...
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Page 2: Table Of Contents
Table of Contents Topic Page Welcome Caution Key Sigsum features Placement Connection Types Phono Input Line Input Pre-out Loudspeaker Connections Mains Power Headphone Use Mono Operation Mute Amplifier Protection Troubleshooting Specifications Declaration of Conformity Warranty... -
Page 3: Welcome
Care should be taken to ensure that the unit is switched off and unplugged from the mains before connecting or disconnecting any other equipment to your Sigsum. This is to protect your speakers from any momentary high-level signals which, due to the high power capabilities of the Sigsum, could cause damage. -
Page 4: Key Sigsum Features
By using the Pre-out sockets built-in to the Sigsum, it is possible to upgrade to even greater performance levels with the addition of the Celsus power amplifier (or any... -
Page 5: Placement
Keep your Sigsum away from heat sources • Do not place the Sigsum in an enclosed space such as a closed cabinet unless ventilation has been catered for • Do not place any objects on top of the amplifier, which would obstruct air-flow... -
Page 6: Phono Input
PHONO INPUT The phonostage of your Sigsum can be configured for cartridges of various types in terms of Sensitivity, Impedance, and Capacitance. In the first instance, please refer to your cartridge documentation to ascertain the initial settings for your cartridge. The phono settings are accessible from beneath the unit—take care when turning the unit over, and ensure it is resting on a soft, clean cloth to ensure none of the finishes are damaged during the procedure. -
Page 7: Line Input
LINE INPUT The Sigsum has Four line inputs: two Balanced and two Unbalanced— which you choose depends on your source equipment, but if you have the choice, we recommend using Balanced. These are referred to as Line Level inputs, and can be used to connect to any standard piece of audio equipment, such as CD, Media Streamer, or FM/DAB Tuner. -
Page 8: Pre-Out
PRE-OUT The Sigsum is capable of outputting to an external amplifier should you require. This signal is affected by the position of the volume control—so your Sigsum takes the role of a high quality Pre-Amplifier, allowing you an upgrade path to the likes of the... -
Page 9: Loudspeaker Connections
The Sigsum outputs its power through two pairs of binding posts—these are compatible with both 4mm/banana plugs and Spade connectors The Sigsum has a sophisticated protection circuit to prevent damage from DC offsets, short-circuits and overheating, but it is always wise to avoid situations where these situations may occur. -
Page 10: Mains Power
Switching on Before switching the unit on, ensure the volume control is turned to its minimum level (fully anticlockwise). Your Sigsum amplifier has a mains switch, which is hidden on the bottom of the unit, in the middle of the front panel. There will be a few clicks from internal relays as the protection circuit is activated during the first few seconds. -
Page 11: Headphone Use
In the case of overheating, the unit will reset itself, once it has cooled sufficiently, however, in any event, you should switch your Sigsum off, and investigate the likely fault (check your loudspeaker cabling, and ensure the... -
Page 12: Troubleshooting
TROUBLESHOOTING Operation of your Sigsum is generally straight-forward, but if you are having problems, please use the following sequence: Fault Solution No Power light 1: Ensure the power lead is plugged in, and that the power socket is switched on 2: Ensure the Power switch under the unit is in the ON position 3: Check for damage to the mains lead—Try an alternative cable... -
Page 13: Specifications
Specification POWER Continuous power output (20Hz—20kHz at 0.5% THD): Both channels, 8Ω, 20Hz—20kHz: 110 W Harmonic distortion, 80% power, 8Ω at 1kHz: 0.003% Recommended loudspeaker impedance: 4-16 Ω INPUTS Phono Gain: 48dB – 60dB – 70dB Input resistance: 100R – 300R - 500R – 1K – 5K – 10K – 47K Input capacitor: 100pF –... -
Page 14: Declaration Of Conformity
Packed weight: 34.5kg DECLARATION OF CONFORMITY EC Declaration of Conformity 06 December 2017 We declare that our Sigsum integrated amplifier conforms to directives and harmonized international standards: EMC (89/36/EEC) Electromagnetic conformity BS EN 60065: 1994 Safety requirements for mains operated electronic and related apparatus for household and similar use. -
Page 15: Warranty
AVID agent, which ever comes first, extending to five years subject to the product owner having submitted the Registration form (www.avidhifi.com/register.htm). Also the following conditions being observed. - Page 16 Bicton Industrial Park, Kimbolton, Huntingdon, Cambridgeshire. PE28 0LW ENGLAND Tel: +44(0)1480 869 900 — Website: www.avidhifi.com - Email: info@avidhifi.co.uk Company Registered No: 5435528 — VAT Registration No: GB 694 9858 48 — Directors: C. Mas & S.J. Mas Updated 9 October 2018...
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