Sonance SONAMP 260 MKII - User Manual

IMPORTANT SAFETY INSTRUCTIONS
CAUTION: Read all of these instructions before you operate and
save instructions for later use.
1. Read Instructions - all the safety and operating instructions should be read
before the appliance is operated.
2. Retain Instructions - The safety and operating instructions should be retained for
future reference.
3. Heed Warnings - All warnings on the appliance and in the operating
instructions should be adhered to.
4. Follow Instructions - All operating and use instructions should be followed.
5.Water and Moisture- The appliance should not be used near water - for
example, near a bathtub,washbowl, kitchen sink, laundry tub,in a wet
basement, or near a swimming pool, and the like.
6. Carts and Stands - The appliance should be used only with a cart or stand
that is recommended by the manufacturer. An appliance and cart combination
should be moved with care. Quick stops,excessive force and uneven surfaces
may cause the appliance and cart combination to overturn.
7. Caution: To prevent electric shock, do not use this (polarized) plug with an
extension cord, receptacle or other outlets unless the blades can be fully
inserted to prevent blade exposure.
8.Ventilation - The appliance should be situated so that its location or position
does not interfere with its proper ventilation. For example,the appliance should
not be situated on a bed, sofa, rug, or similar surface that may block the
ventilation openings; or,placed in a built-in installation, such as a bookcase or
cabinet that may impede the flow of air through the ventilation openings.
9. Heat - The appliance should be situated away from heat sources such as
radiators,heat registers, stoves,or other appliances (including amplifiers)
that produce heat.
10. Power Sources - The appliance should be connected to a power supply
only of the type described in the operating instructions or as marked on
the appliance.
11. Grounding or Polarization - The precautions that should be taken so that
the grounding or polarization means of an appliance is not defeated.
12. Power-Cord Protection - Power supply cords should be routed so that they
are not likely to be walked on or pinched by items placed upon or against
them, paying particular attention to cords at plugs,convenience
receptacles,and the point where they exit from the appliance.
13. Cleaning - The appliance should be cleaned only as recommended by
the manufacturer.
14. Non-use Periods - The power cord of the appliance should be unplugged
from the outlet when left unused for a long period of time.
15. Object and Liquid Entry - Care should be taken so that objects do not fall
and liquids are not spilled into the enclosure through openings.
16. Damage Requiring Service - The appliance should be serviced by qualified
service personnel when:
A. The power-supply cord or the plug has been damaged; or
B.Objects have fallen, or liquid has been spilled into the appliance; or
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate normally or exhibits a marked
change in performance; or
E. The appliance has been dropped, or the enclosure damaged.
17. Servicing - The user should not attempt to service the appliance beyond
that described in the operating instructions. All other servicing should be
referred to qualified service personnel.
INSTALLATION INSTRUCTIONS
SONAMP
®
260 MKII
STEREO POWER AMPLIFIER
PN.33-2498 7.02
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
The lighting flash with arrowhead symbol, within an
equilateral triangle, is intended to alert the user to the
presence of uninsulated dangerous voltage within the
product's enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying the appliance.
WARNING: TO PREVENT FIRE OR SHOCK HAZARD DO NOT EXPOSE
THIS APPLIANCE TO RAIN OR MOISTURE. THE APPARATUS SHALL NOT
BE EXPOSED TO DRIPPING OR SPLASHING. NO OBJECTS FILLED WITH
LIQUIDS, SUCH AS VASES, SHALL BE PLACED ON THE APPARATUS.

Sonance SONAMP 260 MKII Specifications

General

Channels	2
Minimum Impedance Unbridged	4 Ohms
Minimum Impedance Bridged	8 Ohms
Signal to Noise Ratio	> 100 dB
Input Impedance	20 kOhms
Voltage Gain	32 dB
Power Output (8 ohms)	60 Watts
Frequency Response	20Hz - 20kHz (+/- 0.5dB)
Input Sensitivity	1.0 Volts
Weight	15 lbs
RMS Power per channel into 4 Ohms	90 Watts RMS per channel
Bridged Mono Output	180 Watts RMS
Total Harmonic Distortion	0.05%
Dimensions	1 3/4" H x 17 1/4" W x 14" D (44mm x 437mm x 356mm)

Summary

Important Safety Instructions

General Safety Guidelines

Comprehensive safety and operating instructions for appliance use, covering water, heat, power sources, and servicing.

Electrical Shock Hazard Warning

Warning about electric shock risk and the importance of not opening the unit, with reference to qualified personnel.

Fire and Shock Hazard Warning

Warning to prevent fire or shock hazard by avoiding rain, moisture, and placing liquids on the apparatus.

Handling Warning

Cautionary advice regarding careful handling of the apparatus to prevent damage or injury.

Introduction and Setup

Product Introduction

Overview of the Sonamp 260 MKII, highlighting improvements, features, and warranty.

Unpacking Instructions

Guidance on safely unpacking the unit and preparing it for transport or repair.

Placement Guidelines

Recommendations for optimal placement to ensure ventilation and prevent overheating or signal interference.

Ground Lift Switch

Explanation of the ground lift switch for eliminating hum loops in rack systems.

Making Connections

Detailed instructions for making signal and speaker connections, including input types, polarity, and wire usage.

Operating and Maintaining the Amplifier

AC Line Cord and Power Switch

Instructions for connecting the AC power cord and operating the power switch.

Auto-On Feature

Explanation of the auto turn-on/off circuit, its operation, defeat option, and LED indicators.

Level Controls and Indicators

Details on recessed level controls for balance and gain adjustment, plus Power and Active LEDs.

Protection Circuits and AC Fuse

Information on protection circuits, the AC fuse, and how they safeguard the amplifier.

Maintenance and Troubleshooting

Guidelines for cleaning and basic troubleshooting steps for common operational issues.

Service, Warranty, and Specifications

Service and Support

Procedure for obtaining technical assistance, service, and obtaining an RMA number for repairs.

Warranty Coverage

Details on the five-year warranty, conditions for coverage, and exclusions for the Sonamp 260 MKII.

Specifications

Technical specifications of the Sonamp 260 MKII, including output power, distortion, dimensions, and features.