Overview
Equipped with an over-sized toroidal transformer and individual power supplies for each of its seven channels, the GX-7 combines considerable output with quiet, low-distortion operation. Because each channel has its own power supply, the GX-7 has significantly improved channel separation. Intended for systems where the additional output of the RX-7 or the ZX-7 is not necessary, the GX-7 – with 125 watts per channel into 8 ohms - has more than enough power to drive most multi-channel speaker systems. When driving a 4 ohm load, the output of the GX-7 increases to an impressive 188 watts per channel.
In order to facilitate easy system integration, the GX-7 includes a 12-volt trigger input on the rear panel so that it can be powered up remotely buy a separate device with an output trigger, such as a Lexicon Digital Controller.
Specification
| Inputs 7 RCA
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| Outputs 7 pairs of heavy-duty, gold-plated binding posts
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| Output Power 125W RMS per channel into 8 from 20Hz to 20kHz, 188W RMS per channel into 4 from 20Hz to 20kHz.
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| THD Less than 0.05% at full power ratings
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| Signal-to-Noise Ratio Greater than 100dB, ref 125W/8 Ohms (30kHz bandwidth)
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| IM Distortion Less than 0.05% at full power ratings
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| Crosstalk Greater than -80dB @ 1kHz (30kHz bandwidth)
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| Damping Factor Greater than 200 @ 20Hz (ref 8 Ohms)
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| Input Sensitivity 1V for 100W out @ 8ohm
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| Input Impedance Minimum 10Kohm
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| Gain Minimum 28dB
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| Trigger Input 3.3 to 24 Volts DC ± 10%, 3.5mm T/S jack
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| Frequency response |
20Hz to 20kHz +0.1dB/-0.5dB, 10Hz to 40kHz +0.1dB/-1.5dB. |
| Nominal impedance |
4 ohm |
| Dimensions |
127(H inc.feet) x 412(W) x 488(D inc.handles)mm |
| Weight |
23.1 kg |
About the brand
Lexicon manufactures high-performance audio/video components, including the flagship MC-12 surround controller, and from the company's inception in 1971 to the present day, Lexicon has been recognized as a leader in digital audio processing. The company's ground-breaking multichannel technologies such as LOGIC 7 are found in high-end residential home theaters and automotive systems around the world.
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