Speaker Conﬁguration

What speaker types and sizes are you using? The fol- lowing is an overview of the Speaker Conﬁguration menu.

To access the Speaker Conﬁguration menu:

1Press the Main button on the remote control.

2 Press the Setup button.

3 Use the / buttons to select SPEAKER CONFIG, then press the Select button.

4 Use the / buttons to choose from the follow- ing menu items:

FRONT

Selects the relative size of your front speakers. Use the / buttons to select:

•Small or Large

•Select Small if you DO have a subwoofer.

•Select Large if you do NOT have a subwoofer.

CENTER

Selects the relative size of your center speaker (if applicable). Use the / buttons to select:

•Small, Large, or None

•Select Small if you DO have a subwoofer.

•Select Large if you do NOT have a subwoofer.

•Select None if you do not have a center speak- er.

SURROUND

Selects the relative size of your surround speakers (if applicable). Use the / buttons to select:

•Small, Large, or None

•Select Small if you DO have a subwoofer.

•Select Large if you do NOT have a subwoofer.

•Select None if you do not have a surround speak- er.

SURR BACK

Indicates the presence and conﬁguration of your sur- round back speakers. Use the / buttons to se- lect:

•BS-LB, LB/RB, or None

•Select BS-LB if you have a SINGLE surround back speaker (BS) connected to the left back (LB) out- put.

•Select LB/RB if you have TWO surround back speakers connected to the left back (LB) and right back (RB) outputs, respectively.

•Select None if you do NOT have surround back speakers.

SUBWOOFER

Indicates the presence of a subwoofer. Use the / buttons to select:

•Yes or No

•Select Yes if you DO have a Subwoofer.

•Select No if you do NOT have a Subwoofer

FRNT XOVER

Sets the front speaker crossover frequency; i.e., the frequency (in Hz) at which audio signals are routed from your front speakers to the subwoofer. Use the / buttons to select:

•40, 60, 80, 100, 120, 150

•If you set your front speakers to Large, then this setting will be ﬁxed at None.

CNTER XOVER

Sets the center speaker crossover frequency; i.e., the frequency (in Hz) at which audio signals are routed from your center speaker to the subwoofer. Use the / buttons to select:

•40, 60, 80, 100, 120, 150

•If you set your center speakers to Large, then this setting will be ﬁxed at None.

SURR XOVER

Sets the surround speaker crossover frequency; i.e., the frequency (in Hz) at which audio signals are rout- ed from your surround speakers to the subwoofer. Use the / buttons to select:

•40, 60, 80, 100, 120, 150

•If you set your surround speakers to Large, then this setting will be ﬁxed at None.

Chapter 3 - Setup

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GTP-870HD Owner’s Manual

GTP-870HD specifications

The Adcom GTP-870HD is a versatile home theater processor and amplifier, designed to deliver exceptional sound quality and a range of advanced features for audio and video enthusiasts.

At its core, the GTP-870HD supports high-definition audio and video formats, making it a centerpiece for modern home entertainment systems. With its capability to process various surround sound formats, including Dolby Digital, DTS, and advanced multichannel audio formats, it ensures a truly immersive listening experience. The processor is equipped to handle high-definition audio streams, allowing users to enjoy music with clarity and depth that exceeds standard listening experiences.

One of the standout features of the GTP-870HD is its ability to decode high-definition audio formats such as Dolby TrueHD and DTS-HD Master Audio. This is complemented by built-in advanced digital signal processing (DSP), enabling fine-tuning of audio settings to fit the unique acoustics of any room. This attention to detail ensures that every sound is reproduced accurately, whether it’s a subtle dialogue or the crescendo of a cinematic score.

In terms of connections, the GTP-870HD is equipped with an array of inputs and outputs. It includes multiple HDMI ports, allowing for seamless integration with high-definition sources like Blu-ray players, gaming consoles, and streaming devices. The HDMI interfaces support 4K and 3D video pass-through, ensuring compatibility with the latest video technologies. Additionally, the unit features analog inputs, allowing for traditional sources to be connected, making it a flexible choice for varied setups.

The GTP-870HD also boasts advanced user controls with an intuitive on-screen display, enabling easy navigation through settings and configurations. This user-friendly interface enhances the overall experience, making it accessible even for those who may not be as technologically inclined.

Furthermore, the inclusion of advanced room calibration technology optimizes audio playback based on room characteristics, ensuring that sound is balanced and immersive, regardless of the environment.

Overall, the Adcom GTP-870HD is designed for audiophiles and home theater enthusiasts who demand high-quality performance and advanced features. With its robust set of specifications and capabilities, it represents an excellent value for those looking to enhance their home entertainment systems. With the GTP-870HD, users can expect an enriched audio experience that truly brings movies, music, and games to life.