Technical Specifications

PREAMPLIFIER ANALOG SECTION

Input Impedance

47k

Output Impedance (Main-RCA)

<600 Ohm

Rated Input

1.0Vrms

Maximum Input (@ 4Vrms Input Sens.)

4.1Vrms

Rated Output (100k load)

2.0Vrms

Minimum Load

5k

Maximum Output

8Vrms

Volume & Trim Range (relative to 0dB Trim)

• Main

-80dB to +18dB (0.5dB res)

• Main Trim

-10dB to +10dB (1.0dB res)

• Main Input Sens./Input

1V/2V/4V

• Room 2

-65dB to +0dB (1.0dB res)

• Room 2 Trim

-8dB to +8db (1.0dB res)

• Room 2 Gain/Input ...

+0dB to +6dB (2.0dB res)

Channel Separation (at 1kHz)

(>65dB)

Frequency Response

 

 

• Analog DSP Input

20Hz to 20kHz +0/-0.2dB

Analog Ext7.1 Input . 20Hz to 100kHz +0/-0.2dB THD+N (@ Rated Input & Output)

• Analog DSP Input

0.007% (20kHz Low Pass)

• Analog Ext7.1 Input ...

0.006% (80kHz Low Pass)

S/N Ratio (ref. 2.0Vrms A-weighted)

• Analog - DSP Input

93dB

• Analog - Ext 7.1 Input

100dB

PREAMPLIFIER DIGITAL SECTION

Frequency Response

 

 

• Digital Input

10Hz to 22kHz +0/-0.2dB

THD+N (@ Rated Input & Output)

 

• Digital Input

0.009% (A-weighted)

S/N Ratio (ref. 2.0Vrms A-weighted)

 

• Digital Input

99dB

Bass Management (Front/Center/Surround/Sub)

High-Pass Slope

Crossover Frequency

• (Small Spkr Setting)....

12dB/octave (2nd order)

(Adj. 40/60/80/100/120/150Hz)

Low-Pass Slope (Sub) ...

24dB/octave (4th order)

(Adj. 40/60/80/100/120/150Hz)

• Delay Mgmt (Feet or Meters relative 1ms/ft)

• Front/Center/Surr/Surr Back/Sub

........ 0-20 ft

• Lip Sync Delay

0-169mS

FM TUNER SECTION

Sensitivity

• 30dB S/N

6dBu typ.

S/N Ratio

 

• Mono

65dB typ.

• Stereo

55dB typ.

Distortion

 

• Mono

0.3% typ.

• Stereo

0.5% typ.

Stereo Separation

35dB typ.

Adjacent Channel Selectivity

50dB typ.

Frequency Response

50Hz to 15kHz +1/-3dB

AMPLIFIER SECTION

Frequency Response

10Hz to 50kHz +0/-3db

THD+N

0.009%

S/N Ratio

93dB

Power Output (x # = number of channels driven)

• EIA/CEA 490-A (8 Ohm x 5)

145watt

• EIA/CEA 490-A (4 Ohm x 5)

265watt

• RMS (8 Ohm x 5)

109watt

• RMS (4 Ohm x 5)

148watt

• RMS (8 Ohm x 2)

150watt

• RMS (4 Ohm x 2)

226watt

Damping Factor

 

 

• RMS (8 Ohm x 1) @ 50Hz 1% THD

102

• RMS (4 Ohm x 1) @ 50Hz 1% THD

51

VIDEO SECTION

Impedance (Input/Output)

75 Ohm

Bandwidth

 

• Composite & S-Video

6MHz -3dB

• Component

200MHz -3dB

Transcoding

 

Composite/S-Video/Component ....

480i & 576i

Switching

 

• HD Component (Auto Bypass)

480p-1080p

• HDMI (Switching Video/Audio/

 

DDC/HPD)

480i-1080p

GENERAL

Supply Voltage (Switchable)

.............. 120vAC-60Hz/

 

230vAC-50Hz

Power Consumption

1200watt maximum

Dimensions

 

• Width

17 inches (431.8mm)

• Rack Height

7 inches (177.8mm)

• Full Height

7.5 inches (190.5mm)

• Depth of Chassis

15.5 inches (393.7mm)

• Full Depth

19 inches (482.6mm)

Unit Weight

50 lbs. (22.7kg)

Trigger Outputs

 

• Main

50mA @ 12vDC

• Room 2

50mA @ 12vDC

IR Inputs

 

• Main

3.5mm T/R

• Room 2

3.5mm T/R

RS232 Control

9600 baud/8 - N-1/

 

Flow Control = Hardware

Specifications are subject to change without notice.

Chapter 5 - Help

www.adcom.com

GFR-700 Owner’s Manual

61

Page 61
Image 61
Adcom GFR-700 user manual Technical Specifications

GFR-700 specifications

The Adcom GFR-700 is a high-performance A/V receiver that epitomizes cutting-edge technology and excellent audio capabilities for home theater enthusiasts. Designed with both versatility and user-friendliness in mind, this receiver integrates advanced features that make it a formidable choice for any modern audio setup.

One of the standout characteristics of the GFR-700 is its powerful amplification. It is equipped with a robust power supply and delivers an impressive output power, ensuring that your audio is not only loud but also clear and dynamic. Each channel is meticulously engineered to handle demanding audio frequencies, producing a soundstage that can envelop any room.

The GFR-700 is compatible with a wide variety of audio formats, including the latest surround sound technologies. It supports Dolby Atmos and DTS:X, allowing users to experience immersive 3D sound. This capability is further enhanced by advanced digital signal processing that optimally maps audio to the listening environment. The receiver also features 4K Ultra HD pass-through, HDR support, and a host of HDMI inputs, making it an ideal companion for high-definition video sources.

Connectivity is another stronghold of the GFR-700. With Wi-Fi, Bluetooth, and Ethernet capabilities, users can easily stream music from various services or their personal library. The receiver also supports multi-room audio, enabling playback in different areas of the home for a cohesive audio experience.

User-friendliness is enhanced by the intuitive interface and remote control system that simplifies navigation. The inclusion of a mobile app allows users to control the receiver from their smartphones, making adjustments a breeze, whether they're in the room or across the house.

The build quality of the GFR-700 is also noteworthy. The receiver's design incorporates heat dissipation features that maintain optimal operating temperatures, enhancing longevity. Its sleek appearance ensures it blends seamlessly with any entertainment setup.

In summary, the Adcom GFR-700 stands out in the crowded market of A/V receivers due to its powerful amplification, advanced surround sound technologies, versatile connectivity options, and user-friendly design. It is an ideal choice for audiophiles and casual listeners alike who seek to elevate their home audio experience.