Sherwood RX-4109 manual Specifications, Amplifier Section

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Specifications

AMPLIFIER SECTION

Power output, stereo mode, 8 Ω, THD 0.08 %, 20 Hz~20 kHz

2X100 W

Total harmonic distortion, 8 Ω, 100 W, 20 Hz~20 kHz

0.04 %

Intermodulation distortion

 

60 Hz : 7 kHz= 4 : 1 SMPTE, 8 Ω, 100 W

0.02 %

Input sensitivity, 47 kΩ

 

Phono(MM)

2.5 mV

Line(CD,TAPE,AUX)

200 mV

Signal to noise ratio, IHF “A” weighted

 

Phono(MM)

70 dB

Line(CD,TAPE,AUX)

95 dB

Frequency response

 

Phono(MM), RIAA, 30 Hz~20 kHz

±3 dB

Line(CD,TAPE,AUX), 20 Hz~100 kHz

±3 dB

Output level

 

TAPE/AUX OUT, 2.2 kΩ

200 mV

Bass/Treble control, 100 Hz/10 kHz

±10 dB

FM TUNER SECTION

Tuning frequency range

87.5~108 MHz

Usable sensitivity, THD 3%, S/N 26 dB

15 dBf

46 dB quieting sensitivity, mono/stereo

25.2/45.2 dBf

Signal to noise ratio, 65 dBf, mono/stereo

68/65 dB

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

0.5/0.8%

Frequency response, 20 Hz~14 kHz

±3 dB

Stereo separation, 1 kHz

40 dB

Capture ratio

4 dB

IF rejection ratio

80 dB

AM TUNER SECTION

Tuning frequency range

522~1611 kHz

Usable sensitivity

800 μV/m

Signal to noise ratio

40 dB

Selectivity

25 dB

GENERAL

Power supply

230 V~ 50 Hz

Power consumption

330 W

Switched AC outlet

Total 100 W (0.43A) max.

Dimensions (W×H×D, including protruding parts)

440×138×370mm(17-3/8×5-7/16×14-9/16 inches)

Weight (Net)

8.85 kg(19.5 lbs)

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

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Contents Page RX-4109 Read this Before Operating Your Unit IntroductionContents System Connections Connecting ANTENNAsConnecting Phono AC Input Cord Front Panel Remote Controls Fluorescent Display Front Panel & Remote ControlsTUNING/PRESET Mode Button Power SwitchPower on Button Standby Indicator Speaker A, B Selector ButtonsLoad two batteries matching the polarity Remote Control Operation Range Loading BatteriesRemove the cover Listening to a Program Source Standby mode, turn the power onSwitch the desired speakers on OperationsSelect the desired input source To listen with the headphonesAdjusting the sound volume balance Adjusting the tone bass and trebleListening to Radio Broadcasts Auto tuningSelect the tuning mode Manual tuningRepeat the above steps 1 to 3 to memorize other stations Presetting radio stationsMemory Backup Function Select the desired preset number Tuning to preset stationsRDS Srch TP Srch PTY Srch OFF FM mode, select the RDS search modeRDS Search PTY Search FM mode, press the Search Mode button twiceFM mode, press the Search Mode button three times TP SearchDisplay Recording with AUX RecordingRecording with Tape Other Functions Operating the sleep timerAdjusting the brightness of the fluorescent displays Problem Possible Cause Remedy Troubleshooting GuideAmplifier Section Specifications
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RX-4109 specifications

The Sherwood RX-4109 is a well-regarded stereo receiver that caters to both audiophiles and casual listeners alike. Known for its blend of vintage aesthetics and modern features, this receiver packs a punch in terms of power and versatility, making it an ideal choice for anyone looking to enhance their home audio experience.

One of the standout features of the RX-4109 is its robust power output. It delivers a solid 100 watts per channel at 8 ohms, providing ample power to drive even the most demanding speakers. This significant wattage ensures that users can enjoy clear and distortion-free sound at any volume level, making it perfect for both quiet listening and lively gatherings.

The RX-4109 is equipped with a range of inputs and outputs, allowing for versatile connectivity. It includes multiple analog inputs for connecting devices like CD players, turntables, and more. Additionally, the receiver is outfitted with a dedicated phono input, an essential feature for vinyl enthusiasts. The presence of a headphone jack also enables private listening, enhancing its usability for late-night sessions.

The receiver incorporates several advanced technologies to improve sound quality. Its built-in digital signal processor (DSP) enhances audio clarity, providing a richer listening experience. The inclusion of an AM/FM tuner with 30 presets allows users to effortlessly access their favorite radio stations. This feature is complemented by a high-performance antenna, ensuring optimal reception quality.

A user-friendly interface is another hallmark of the RX-4109. The front panel is intuitively designed, featuring a clear display and straightforward controls, making it easy for users to navigate settings and adjust sound parameters. The remote control adds to the convenience, allowing users to operate the receiver from a distance.

In terms of design, the Sherwood RX-4109 boasts a classic look that appeals to traditionalists. The brushed aluminum front panel and rotary knobs give it an elegant touch, fitting seamlessly into any home audio setup.

In summary, the Sherwood RX-4109 stands out as a versatile and powerful stereo receiver, delivering high-quality sound and a range of connectivity options. Its combination of robust performance, user-friendly design, and essential features make it a worthy addition to any audio setup, whether for music, movies, or radio. The RX-4109 exemplifies Sherwood's commitment to quality sound and reliability, providing an excellent listening experience for enthusiasts and casual users alike.