Sherwood R-671 manual Specifications

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Specifications

AMPLIFIER SECTION

.......................................................................................... 2 X 100 W

• Power output stereo mode, 6Ω, THD 0.2%, 40Hz ~ 20 KHz

• Total harmonic distortion, 6Ω, 95 W, 1 KHz

0.09 %

• Intermodulation distortion

 

60 Hz : 7 KHz = 4 : 1 SMPTE,6Ω, 95 W

0.1 %

• Input sensitivity / impedance

 

Line (CD, TAPE, VIDEO)

230 mV/47 KΩ

• Signal to noise ratio, IHF "A" weighted

 

Line (CD, TAPE, VIDEO)

90 dB

• Frequency response

 

Line (CD, TAPE, VIDEO), 20 Hz~50 KHz

230 mV/47 KΩ

• Out put level

 

TAPE REC, 2.2 kΩ

200 mV

• Bass/Treble control, 100 Hz/10 kHz

±10 dB

• Surround mode, only channel driven

 

Front power output, 6 Ω ,1 kHz, THD 0.7

110 W+110 W

Center power output, 6 Ω, 1 kHz, THD 0.7 %

110 W

Surround power output, 6 Ω, 1 kHz, THD 0.7 %

110 W+110 W

Surround back power output, 6 Ω, 1 kHz, THD 0.7 %

110 W

DIGITAL AUDIO SECTION

32, 44.1, 48, 96 kHz

• Sampling frequency

• Digital input level

 

Coaxial, 75

0.5 Vp-p

Optical, 660 nm

-15~-21 dBm

VIDEO SECTION

NTSC

• Video format

• Input sensitivity(=Output level), 75 Ω

 

Video (Composite(normal))

1 Vp-p

S-Video (luminance signal)

1 Vp-p

(chrominance signal)

0.286 Vp-p

Component video (R-Y signal)

0.5 Vp-p

(B-Y signal)

0.5 Vp-p

(Y signal)

1.0 Vp-p

FM TUNER SECTION

87.5~108 MHz

• Tuning frequency range

• Usable sensitivity, THD 3%, S/N 30 dB

12.8 dBf

• 50 dB quieting sensitivity, mono/stereo

20.2 / 45.3 dBf

• Signal to noise ratio, 65 dBf, mono/stereo

70 / 65 dB

• Total harmonic distortion, 65 dBf,1 kHz, mono/stereo

0.5 / 0.8 %

• Frequency response, 30 Hz~15 kHz

±3 dB

• Stereo separation, 1 kHz

32 dB

• Capture ratio

4.0 dB

• IF rejection ratio

60 dB

AM TUNER SECTION

• Tuning frequency range

........................................................................................................................................... 520~1710 kHz

• Usable sensitivity

500 µV/m

• Signal to noise ratio

40 dB

• Selectivity

25 dB

GENERAL

120 V ~ 60 Hz

• Power supply

• Power consumption

2.7 A

• Switched AC outlets

TOTAL 100 W, 1 A max.

• Dimensions (W×H×D)

440×141×330 mm(17-3/8×5-1/2×13 inches)

• Weight (Net)

10.1 kg (22.3 Ibs)

Note: Design and specifications are subject to change without notice for improvements.

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Contents Page Read this Before Operating Your Unit IntroductionSafety Instruction Contents System Connections Connecting Video Components Connecting Audio Components Connecting System Control Speaker placement AC Input Cord Front Panel Controls Video 3 Input Jacks Digi link system remote controls Universal Remote ControlsFunction Table of the Numbered Buttons Loading Batteries Remote Control Operation RangeEntering a setup code Using Functions of Remote ControlUsing a punch-through function Operating a macro function Programming a macro functionSpeaker Setup Before setting the speaker setup Setting the Speaker Setup ManuallyFront R Setting the Speaker Setup Automatically Auto Speaker Setup When specifying the subwoofer or the crossover frequency When specifying the number of speakers installedWhile displaying SET MEMO, check Before operation Listening to a Program SourceAn input source When CD, Video 1~3 is selected asEnter the tone mode Adjusting the tonebass and trebleSurround modes Surround SoundDolby Headphone Dolby Pro Logic IIx surroundDolby Pro Logic II surround Dolby Virtual SpeakerEnjoying Surround Sound Selectable surround modeListening in a Dolby Headphone mode To cancel the surround mode for stereo operation2CH downmix mode Adjusting each channel level with test tone Channel is selected as follows Adjusting the current channel levelMemorizing the adjusted channel levels 32, press the MEMORY/ Enter buttonRecalling the memorized channel levels Auto tuning Manual tuning Presetting radio stationsListening to Radio Broadcasts Memory Backup Function Tuning to preset stationsDubbing from video components onto Dubbing the audio and video signalsRecording Recording with TapeDigital Audio Recording with MD Recorder Compressing the dynamic range Dolby Digital sources only Operating the sleep timerAdjusting the brightness of the fluorescent displays Other FunctionsCurrent Status Display Using the OSDWhen selecting the Speaker Setup Setting the Speaker Setup When selecting the Auto Speaker SetupPreparations When selecting the Manual Speaker Setup Page Selecting the Function When selecting the Digital InputWhen selecting the Tone Control When selecting the Video SelectSelecting the Surround Mode Setting the CH Level Setup Recalling the memorized channel levels Troubleshooting Guide Specifications Setup Code Table VCR KLH DVD AUX-TAPE/MD AUX-HOME Automation

R-671 specifications

The Sherwood R-671 is a sophisticated and versatile receiver that has gained a strong reputation among audio enthusiasts and home theater aficionados. Renowned for its exceptional sound quality and robust performance, the R-671 is a testament to Sherwood's commitment to delivering high-fidelity audio experiences.

One of the standout features of the Sherwood R-671 is its powerful amplifier section. With a total power output of 100 watts per channel, it is capable of driving a variety of speaker configurations, from compact bookshelf speakers to larger floor-standing models. This ample power ensures that users can enjoy dynamic sound reproduction across a wide range of frequencies.

In terms of connectivity, the R-671 is equipped with multiple input options, including HDMI, digital optical, and coaxial inputs. This diverse array of connections makes it easy to integrate a variety of devices, such as Blu-ray players, gaming consoles, and streaming devices. Additionally, it includes several analog inputs for connecting legacy audio equipment, ensuring compatibility with older components.

One of the most noteworthy technologies featured in the Sherwood R-671 is its advanced surround sound processing. The receiver supports multiple surround formats, including Dolby Digital and DTS, which allows users to experience immersive multi-channel audio from their favorite movies and music. This capability is further enhanced by Sherwood's proprietary sound enhancement technologies, which optimize audio playback for a more engaging listening experience.

The user interface of the R-671 is designed with ease of use in mind. The front panel features clearly labeled buttons and a bright display, making it straightforward to navigate through settings and inputs. Additionally, the receiver comes with a comprehensive remote control, allowing users to manage their audio and video sources from the comfort of their seating area.

The Sherwood R-671 also boasts an eco-friendly design, incorporating energy-saving features that minimize power consumption when the unit is not in active use. This not only reduces the overall environmental footprint but also leads to lower energy bills for users.

In conclusion, the Sherwood R-671 is a feature-rich receiver that exemplifies quality and performance. With its powerful amplification, versatile connectivity options, advanced surround sound processing, user-friendly interface, and eco-conscious design, it represents an excellent choice for anyone looking to elevate their home audio experience. Whether for casual listening or serious home theater applications, the Sherwood R-671 is equipped to deliver an exceptional performance.