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7

SPECIFICATIONS

Stereo Continuous Output Power:

75W per channel at 8 ohms
100W per channel at 4 ohms

Bridged Output Power:

200W at 8 ohms, 2 channels bridged 

THD+N:

<0.05% from 20Hz to 20kHz

Signal-to-Noise Ratio:

>100dB A-weighted

Frequency Response: 

20Hz to 20KHz +/- 0.3dB

Input Sensitivity:

70mV for 1W at 8 ohms
610mV for 75W at 8 ohms

Input Impedance:

47kohms Line Input

Voltage Gain:

32dB

Power Requirements:

North American Model:

120VAC 60Hz 2.5A 
IEC 320 type connector with 3 terminal detachable power cord. 

Power Requirements:

European Model:

230VAC 50Hz 1.2A
IEC 320 type connector with 3 terminal detachable power cord.

Dimensions:

17" W x 14"D x 4.125"H (43 x 35.5 x 10.5 cm)

Weight:

20.3lbs. (9.2kg)

WARRANTY

The Russound R275HC is fully guaranteed for two (2) years from the date of purchase against all defects in materials
and workmanship. During this period Russound will replace any defective parts and correct any defect in workman-
ship without charge for either parts or labor. For this warranty to apply, the unit must be installed and used according
to its written instructions. If service is necessary, it must be performed by Russound. The unit must be returned to
Russound at the owners expense and with prior written permission. Accidental damage and shipping damage are not
considered defects under the terms of the warranty. Russound assumes no responsibility for defects resulting from
abuse or servicing performed by an agency or person not specifically authorized in writing by Russound. Damage to
or destruction of components due to improper use voids the warranty. In these cases the repair will be made at the
owners expense. To return for repairs, the unit must be shipped to Russound at the owners expense, along with a
note explaining the nature of the service required. Be sure to pack in a corrugated container with at least 3 inches of
resilient material to protect the unit from damage in transit.

Russound sells products only through authorized Dealers and Distributors to ensure that customers obtain proper
support and service. Any Russound product purchased from an unauthorized dealer or source, including retailers,
mail order sellers and online sellers will not be honored or serviced under existing Russound warranty policy. Any sale
of products by an unauthorized source or other manner not authorized by Russound shall void the warranty on the
applicable product.

R275HC AMPLIFIER

Summary of Contents for R275HC

Page 1: ...R Series R275HC 2 Channel Power Amplifier User s Manual ...

Page 2: ...entilation is blocked the unit may overheat and malfunction 8 Heat The appliance should be situated away from heat sources such as radi ators heat registers stoves or other appliances including amplifiers that produce heat 9 Grounding or Polarization Precautions should be taken so that the grounding or polarization means of an appliance is not defeated 10 Power Cord Protection Power supply cords s...

Page 3: ...no output In Bridge mode the R275HC is rated at 200 watts of power into a single 8 ohm load All this power is backed by a high output toroidal transformer Each amplifier output channel incorporates robust pro tection circuitry for safety and reliability under extreme circumstances FRONT PANEL RACK MOUNTING The R275HC amplifier can be rack mounted using the included rack mount ears and hardware to ...

Page 4: ...gnal to another amplifier in the system Speaker A B Outputs The A and B speaker out puts are in parallel to the amplifier output The mini mum load in stereo mode is 4 ohms This can be used to drive up to 2 pairs of 8 ohm speakers or 1 pair of 4 ohm speakers The minimum load imped ance for bridged mode operation is 8 ohms Speaker B only Stereo Bridge Mono Switch Sets the pair of amplifier channels ...

Page 5: ... ry to safeguard the amplifier under a thermal overload condition Thermal protection mode can only engage when the unit has been run at high volume for extended periods of time without adequate ventilation and or when speaker impedances are below the minimum levels for the amplifier If this fault occurs turn off the amplifier and check that the speaker impedance rating is above the minimum rating ...

Page 6: ...ency of the system CAM6 6 RCA Cable Speaker Cable R275HC Amplifier CAM6 6T Controller Speaker Cable 8 ohm Speaker 8 ohm Speaker R275HC AMPLIFIER The R275HC can also be configured as a power upgrade for specific zones for use with large speaker selectors and for long series parallel speaker runs e g outdoor zones INPUT EXPANSIONS SPEAKERS SPEAKERS SPEAKERS SPEAKERS RUSSOUND INPUT EXPANSIONS SPEAKER...

Page 7: ... it must be performed by Russound The unit must be returned to Russound at the owners expense and with prior written permission Accidental damage and shipping damage are not considered defects under the terms of the warranty Russound assumes no responsibility for defects resulting from abuse or servicing performed by an agency or person not specifically authorized in writing by Russound Damage to ...

Page 8: ...5 Forbes Rd Newmarket NH 03857 USA Tel 603 659 5170 Fax 603 659 5388 e mail tech russound com 28 1167 03 22 05 R Series R275HC 2 Channel Power Amplifier User s Manual ...

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