Sonance SONAMP CINEMA 260 - User Manual

SONAMP CINEMA 260 AMPLIFIER
Congratulations on your purchase of this precision audio
component and thank you for your selection of Sonance. Your
Sonamp
®
Cinema 260 has been designed specifically for use
with the Cinema Sub System. The 260 incorporates the
latest technology and will become the heart of the finest home
theater and music systems. Its high power output is matched
by enormous current capacity to drive your Cinema sub-
woofers.A robust toroid transformer assures reserve power. An
ultra-fast discrete AB output stage assures flawless
reproduction. You have made an excellent choice.
Please take a few moments now to read these instructions
thoroughly so you may fully understand the sophisticated
capabilities of your new power amplifier.
IMPORTANT SAFETY INSTRUCTIONS
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 - Adhere to all warnings and precautions listed on the appliance and
in the operating instructions.
4. Follow instructions - Follow all operating instructions .
5. Water and Moisture - The appliance should never be used next to water - for
example, near a bathtub, kitchen sink, laundry tub, in a wet basement, or near a
swimming pool, etc.
6. Carts and Stands - The appliance should be used only with a cart or stand that is
recommended by the manufacturer.
7. 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.
8. Caution: To prevent electric shock, do not use the Sonamp
(polarized) plug with an extension cord, receptacle or other outlets unless the blades
can be fully inserted to prevent blade exposure.
9. Ventilation - the appliance should be situated so that its location 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 impede the flow of air through the
ventilation openings.
10. Heat - The appliance should be situated away from heat sources such as radiators,
heat registers, stoves, or other appliances (including amplifiers) that produce heat.
11. 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.
12.Grounding or Polarization - Grounding or polarization are the precautions that
should be taken so that these attributes of an appliance are not defeated.
13. 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.
14.Cleaning - The appliance should be cleaned only as recommended by the
manufacturer.
15.Non-Use Periods- The power cord of the appliance should be unplugged from the
outlet when left unused for a long period of time.
16. Object and Liquid Entry - Care should be taken so that objects do not fall and
liquids are not spilled through the opening of the enclosure.
17.Damage Requiring Service - The appliance should be serviced by a qualified service
personnel when:
A. The power-supply cord or the plug has been damaged
B. Objects have fallen, or liquid has been spilled into the appliance
C. The appliance has been exposed to rain
D.The appliance does not appear to operate normally or exhibits a marked change
in performance
E. The appliance has been dropped, or the enclosure damaged
18.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.
UNPACKING:
Save your carton and the styrofoam inserts for future safe
transport, in case you move or the unit ever requires shipping
for repair. It is best if you place it into an additional outer
“over-carton” before shipment to minimize a chance of theft
in shipment.
Before you proceed, find the serial number which is located on
the rear panel of the unit and note it here for future reference or
in case of theft in shipment.
INSTALLATION INSTRUCTIONS
SONAMP
®
CINEMA 260 OWNER'S MANUAL
CINEMA SUB SYSTEM AMPLIFIER
PN.33-1598 12-03
1

Summary

Important Safety Instructions

General Safety Precautions

Covers 16 essential safety guidelines for operating, maintaining, and handling the appliance to prevent hazards.

Service and Damage Warnings

Details conditions requiring professional servicing and user limitations for repairs to ensure safety.

Unpacking and Serial Number

Placement Guidelines

Connecting the Sonamp Cinema 260

Subwoofer Connections

Instructions for connecting subwoofer output and speaker wires, emphasizing polarity and single speaker per channel.

Amplifier Settings and Controls

Initial Amplifier Settings

Recommended starting settings for crossover frequency, phase, and level for optimal system integration.

Front Panel Controls

Overview of front panel controls including power, active LED, crossover, phase, and level adjustments.

Speaker Connection Diagram

Bass Response and Room Interaction

Phase Adjustment

Guidance on setting the phase switch for optimal bass response by listening or using an SPL meter.

Room Rattling Issues

Advice on relocating items in the listening room to eliminate buzzing or rattling caused by bass frequencies.

Making Connections

Looping Jacks

Description of RCA output jacks for easy connection of additional subwoofer systems without Y-adapters.

Speaker Wire Recommendations

Guidance on using appropriate gauge speaker wire (14AWG minimum) for optimal bass response and performance.

AC Line Cord Connection

Operating the Sonamp Cinema 260

Power Switch Operation

Instructions for using the power switch and its relation to the Auto-On feature.

Auto-On Feature

Explanation of the automatic turn-on circuitry activated by audio signals and its 3-minute delay.

Auto-On Defeat

How to disable the Auto-On feature using the rear panel switch for conventional operation.

LED Indicators

Power LED (Red)

Indicates AC power connection and will extinguish if the main AC line fuse opens.

Active LED (Green)

Shows amplifier activity, turning on with audio signal; initial 3-minute light-up is normal.

Protection Circuits

Maintaining Your Sonamp Cinema 260

Specifications

Technical Assistance

Obtaining Service

Warranty Coverage (USA Only)

Sonance SONAMP CINEMA 260 Specifications

General

Number of Channels	2
Channels	2
Signal-to-Noise Ratio	> 100 dB
Input Impedance	20 kOhms
Power per channel @ 8 Ohms	60 Watts
Power per channel @ 4 Ohms	90 Watts
Bridged Power @ 8 Ohms	180 Watts
Frequency Response	20Hz - 20kHz (±0.5dB)
Total Harmonic Distortion	<0.05%