100
JL Audio G4500
$350.00
Released November, 2008
The Pros:Half the price for all of the same features. 10-25000Hz frequency response is still very good. Adjustable crossover for fine tuning a custom system (2 options, apply separate settings to two pairs of speakers).
The JL Audio G4500 is a class A/B four-channel amplifier based on an Absolute Symmetry class A/B circuit. The G4500 is the only four-channel amp in the G series, and is in direction competition with the Audio Slash V2’s 300/4v2 and 450/4v2, and the Audio HD’s HD600/4.
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The G4500 maintains lower power (125w per channel max versus 150/300) and an inferior frequency response (10Hz-25kHz versus 5Hz-30kHz), but supports the same damping factor (>200 @ 4 ohm). The G4500 also comes equipped with fully-variable on-board crossovers and differential-balanced inputs. Priced at $349.99, the JL Audio G4500 offers tremendous savings versus the $559.99 300/4v2, the $699.99 HD600/4, and the egregiously expensive $849.99 450/4v2, while still maintaining almost the same functionality and capability.
Features
- Rated Power 14.4 V Stereo: 80 W RMS x 4 @ 4 ohm, 125 W RMS x 4 @ 2 ohm
- Rated Power 14.4 V Bridged : 160 W RMS x 2 @ 8 ohm, 250 W RMS x 2 @ 4 ohm
- Rated Power 12.5 V Stereo: 60 W RMS x 4 @ 4 ohm, 90 W RMS x 4 @ 2 ohm
- Rated Power 12.5 V Bridged: 120 W RMS x 2 @ 8 ohm, 180 W RMS x 2 @ 4 ohm
- THD at Rated Power: <1% THD, 20 Hz - 20 kHz
- S/N Ratio: >104 dB referred to rated power (A-weighted, 20 Hz – 20 kHz noise bandwidth)
- Frequency Response: 10 Hz – 25 kHz (+0, -1dB)
- Damping Factor: >200 @ 4 ohm per ch. / 50 Hz, >100 @ 2 ohm per ch. / 50 Hz
- Slew Rate: ± 22V / µs
- Input Range: 200mV – 8V RMS
- Dimensions (L x W x H): 13.80 in. x 9.25 in. x 2.50 in.
User Reviews (1)
Pros & Cons
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1
half the price for all of the same features
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1
10-25000Hz frequency response is still very good
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1
adjustable crossover for fine tuning a custom system (2 options, apply separate settings to two pairs of speakers)
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1
protection circuitry with status indicator lights
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