Bridged Operation, Thermal Protection | Russound R1250MC manual

R1250MC AMPLIFIER

BRIDGED OPERATION

When the amplifier is in Bridged mode operation, both the left and right channels are combined for a higher power mono output.

For bridged amplifier operation, turn off the power to the amplifier and connect an 8-ohm minimum load to the Speaker B output.

Following the Bridge mode markings in red on the back of the amplifier: Connect the negative lead (-) of the speaker cable to the R+ terminal. Connect the positive lead (+) of the speaker cable to the L+ terminal. Set the Stereo/Bridge Mono switch to Bridge Mono, connect the Line In feed from a source to the Left Line In connection and restore power to the amplifier.

RCA Cable from source

Left In

Right In

		Line In L		R			Line In L		R
		Bridg e					Bridg e
		In					In
				Line In					Line In
	Speak er	R+		Bus In	Speak er		R+		Bus In
	Speak er	R+		Bus In	Speak er		R+
	A	R-				A	R-
		R-					R-
		L-		L			L-		L
		L-					L-
		L+					L+
				R					R
(-)Negative	Speak er	R+	-	Stereo	Speak er		R+	-	Stereo	(-)Negative
	B	R+	-			B	R+	-
Speaker	B	R-				B	R-			Speaker
Speaker		R-		Bridge Mono			R-		Bridge Mono	Speaker
cable	Stereo mode	L-			Stereo mode		L-			cable
cable	Stereo mode	L-			4?	minimum	L-			cable
	4? minimum				4?	minimum
	impedance	L+	+		impedance		L+	+
(+)Positive		L+	+		Bridge mode		L+	+		(+)Positive
(+)Positive	Bridge mode				Bridge mode					(+)Positive
	8? minimum			DelayTime	8?	minimum			DelayTime
	impedance				impedance

Left Speaker	Zone 2		Zone 1 12V 100mA	Right Speaker
8 ohm		12V 100mA		8 ohm
		Out Trigger In	Out Trigger In

THERMAL PROTECTION

PROTECTION CIRCUITRY

All Russound amplifiers are designed with special circuit- 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. Also check for adequate ventilation around the amplifier and make adjustments if necessary. Once the unit has cooled to safe operating tempera- tures, the amplifier may be powered back on.

All Russound amplifiers are designed with special circuit- ry to safeguard the amplifier under a short-circuit condi- tion. A faulty speaker can also cause a short circuit con- dition.

The front panel LED illuminates orange when the amplifi- er is in short circuit protection. If this fault condition occurs, turn off the amplifier and check speakers for short circuit conditions when appropriate.

R1250MC specifications

The Russound R1250MC is a powerful multi-zone amplifier designed to elevate home audio experiences with its advanced features and reliable performance. This amplifier provides an excellent solution for distributing audio throughout a home or commercial space, transforming any environment into a sonic haven.

One of the primary features of the R1250MC is its ability to deliver 12 channels of amplification, ensuring that every area of a dwelling can enjoy high-quality sound. Each channel is capable of outputting 50 watts per channel at 8 ohms, meaning ample power for various speaker configurations. This allows users to create multi-room audio setups where different zones can play different sources or the same source at the same time, all controlled effortlessly.

The R1250MC also incorporates sophisticated technologies such as Russound’s proprietary Intelli-Volume feature. This innovative technology allows for precise volume control across different zones, preventing abrupt sound changes when switching between channels or sources. This is particularly beneficial in settings where background music levels need to be consistent.

Another pivotal aspect of the R1250MC is its integration with various audio sources. The amplifier features multiple audio inputs, including line-level and digital connections, enabling it to connect with a wide range of devices from streaming services to traditional audio sources. The device supports both local and network-based listening experiences, which adds versatility for users who have embraced digital music solutions.

Russound has also prioritized user-friendly operations in the design of the R1250MC. The amplifier is compatible with third-party control systems, allowing for seamless integration into established home automation setups. Users can control this amplifier through mobile apps or dedicated remotes, making it convenient to manage audio playback.

Additionally, the R1250MC boasts impressive thermal management features, ensuring optimal performance during extended use. Its robust heat sink and efficient power management technology prevent overheating, offering reliability in demanding environments.

In conclusion, the Russound R1250MC stands out as an exemplary amplifier for anyone looking to enhance their home or commercial audio experience. With its multi-zone capabilities, advanced control features, and integration flexibility, it is an ideal choice for both casual listeners and audiophiles alike. The R1250MC is a testament to Russound's commitment to quality and innovation in the audio landscape.

R1250MC AMPLIFIER