SPECIFICATIONS

Audio Amplifier Section

Continuous power output, 0.9% THD,

2 channels driven, 8 Ω load

40 Hz : More than 90 W

 

1 kHz : More than 90 W

 

20 kHz : More than 90 W

Gain, 8 Ω load

Phono : 80.0 ± 3 dB

 

CD : 42.0 ± 3 dB

Noise output, 1 kΩ-terminated input,

 

VR at maximum

Phono : Less than 60 mV

 

CD : Less than 40 mV

Residual noise, VR at minimum

Less than 3 mV

Channel separation, 10 kHz

Phono : More than 35 dB

 

CD : More than 35 dB

RIAA equalizer response,

 

at TAPE 1 REC OUT

100 Hz : RIAA ± 2 dB

 

10 kHz : RIAA ± 2 dB

Frequency response, CD input,

 

output at SP-A/8 Ω load

20 kHz : –2.0±5 dB

Tone control response, 100 Hz

Maximum : +8 ± 4 dB

 

Center : 0 ± 3 dB

 

Minimum : –8±4 dB

Tone control response, 10 kHz

Maximum : +8 ± 4 dB

 

Center : 0 ± 3 dB

 

Minimum : –8±4 dB

FM Tuner Section

(Unbalansed 75 Ω, at TAPE 1 REC-OUT)

Frequency Range

87.5 MHz to 108 MHz

IHF usable sensitivity

90 MHz : Less than 17 dBμV

 

98 MHz : Less than 17 dBμV

106 MHz : Less than 17 dBμV

Output level, 60 dBμV input

Within –3.7 dBV± 7 dB

Signal to noise ratio, 60 dBμV input

................... More than 54 dB

Distortion, 60 dBμV input

Less than 4%

De-emphasis, deviation from 75 μs ................................................

 

100 Hz/10kHz : Within 0 ± 3 dB

Image interference ratio

...................... 98 MHz : More than 19 dB

FM MPX Section

(Unbalansed 75 Ω, at TAPE 1 REC-OUT)

Output level, 60 dBμV input

Within –4.5 dBV± 5 dB

Distortion, 60 dBμV input

Less than 4%

Stereo separation, 60 dBμV input

100 Hz : More than 17 dB

 

1 kHz : More than 18 dB

 

10 kHz : More than 15 dB

AM Tuner Section

(Using AM loop antenna , at TAPE 1 REC-OUT)

Frequency Range

530 kHz to 1700 kHz

Usable sensitivity, at 30 dB S/N

 

 

600 kHz : Less than 84 dBμV/m

1000 kHz : Less than 78 dBμV/m

1400 kHz : Less than 78 dBμV/m

Output level, 100 dBμV/m input

Within –16.5 dBV± 8 dB

Signal to noise ratio, 100 dBμV/m input

............. More than 35 dB

Distortion, 100 dBμV/m input

Less than 5%

Image interference ratio

1000 kHz : More than 15 dB

Tuning indicator sensitivity

Less than 78 dBμV/m

Selectivity, 74 dBμV/m input

More than 14 dB

Video Section

(DVD/LD input, at monitor terminal)

Video output level, color bar

Within 1 Vp-p ± 0.3 V

Video S/N, 100% white

More than 45 dB

Surround Section

 

Output power, 0.8% THD, 8 Ω load

Front : More than 90 W

 

Center : More than 90 W

 

Rear : More than 90 W

Residual noise, with 30 kHz LPF used ....

Center : Less than 6 mV

 

Rear : Less than 6 mV

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Dolby Laboratories 31-3043, STAV-3770 service manual Video Section DVD/LD input, at monitor terminal

31-3043, STAV-3770 specifications

Dolby Laboratories is renowned for its cutting-edge audio and visual technologies, and the STAV-3770,31-3043 model is a standout example of this legacy. This audio/video receiver is engineered to deliver an immersive home entertainment experience, integrating advanced features that cater to audiophiles and casual viewers alike.

One of the primary highlights of the STAV-3770 is its support for Dolby Atmos, a revolutionary audio technology that brings a three-dimensional sound experience to any environment. This feature allows sound to move fluidly around the listener, creating an enveloping effect that enhances movies, music, and games. Coupled with Dolby TrueHD, the STAV-3770 ensures lossless audio reproduction, providing crystal-clear sound quality that captures every detail.

Equipped with multiple HDMI inputs, the STAV-3770 facilitates seamless connectivity for various devices, including gaming consoles, Blu-ray players, and streaming devices. The inclusion of HDMI 2.1 support allows for features such as 4K at 120Hz passthrough, ensuring that users can enjoy high-resolution content without compromising performance. This level of connectivity is crucial for modern home theaters, where consumers often have multiple devices in use.

In terms of user experience, the STAV-3770 also incorporates a user-friendly interface and intuitive remote control, simplifying operation for users of all technical backgrounds. The on-screen setup guide assists in optimizing speaker placement, ensuring that sound is balanced and immersive.

Another key characteristic is the unit's powerful amplification capabilities. With a significant wattage output, the STAV-3770 delivers robust sound that can fill large rooms without distortion. This is particularly beneficial for larger home theater setups, where consistent audio performance is critical for an enjoyable viewing experience.

The STAV-3770 further extends its versatility with smart home integration, enabling compatibility with various voice assistants. This feature allows users to control their home entertainment systems effortlessly through voice commands, exemplifying modern convenience in technology.

Lastly, energy efficiency is an important aspect of the STAV-3770 design. Dolby Laboratories has implemented technologies that reduce power consumption without sacrificing performance, aligning with eco-friendly practices that many consumers prioritize today.

In summary, the Dolby Laboratories STAV-3770,31-3043 epitomizes the ideal blend of advanced audio technologies, user-friendly features, and efficient performance, making it a premier choice for anyone seeking to enhance their home entertainment experience.