Difference between revisions of "Adcom GFA-555 II"
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| − | + | '''General''' | |
| − | + | *Product type: High end high power amplifier | |
| − | + | *Number of channels: 2 | |
| − | + | *Brand: [[Adcom]] | |
| − | + | *Audio inputs: Stereo L/R RCA | |
| − | RMS | + | *Model: GFA-555 II |
| + | *RMS power: 400 W | ||
| − | + | '''Specifications:''' | |
| − | *Inputs | + | *Inputs. |
**100k O. | **100k O. | ||
**Two gold-plated, Teflon-insulted brass RCA jacks | **Two gold-plated, Teflon-insulted brass RCA jacks | ||
*Gain | *Gain | ||
| − | + | 27 dB. | |
*Input Sensitivity | *Input Sensitivity | ||
| − | + | 1.75V for 200 W into 8 O. | |
| − | + | 130 mV for 1 W into 8 O. | |
*Rated Power Output | *Rated Power Output | ||
| − | + | 200 watts per channel into 8 O from 20 - 20,000 Hz at less than 0.04% THD, both channels driven. | |
| − | + | 325 watts per channel into 4 O from 20 - 20,000 Hz at less than 0.04% THD, both channels driven. | |
| − | + | 600 watts into 8 O from 20 - 20,000 Hz at less than 0.04% THD, bridged mono | |
| − | + | 850 watts into 4 O from 20 - 20,000 Hz at less than 0.09% THD, bridged mono | |
*Dynamic Headroom | *Dynamic Headroom | ||
| − | + | 2.5 dB at 4 O. | |
*Power Bandwidth | *Power Bandwidth | ||
| − | + | 1.7 - 100,000 Hz at - 3 dB. | |
*Frequency Response | *Frequency Response | ||
| − | + | 10 - 20,000 Hz +0, -0.25 dB at 1 W RMS into 8 O. | |
*Damping Factor | *Damping Factor | ||
| − | + | Not less than 800 from 20 - 20,000 Hz into 8 O. | |
| − | + | Noise | |
| − | + | Not less than -110dB down from 200 watts into 8 O, A-weighted. | |
*Power Input | *Power Input | ||
| − | + | 220 VAC 50-60 Hz. | |
| − | + | 72 VA idle. | |
| − | + | 1,500 VA maximum. | |
| − | + | 675 VA at 200 W into 8 O. | |
| − | + | I measure 37.5 watts at idle, cold. | |
| − | + | 60 watts at idle, warm (0.73A). | |
| − | + | 92 watts (1.09A) when delivering 1 watt per channel into 8 O. | |
| − | + | 845 watts when delivering 265 watts per channel into 8 O. | |
| − | * | + | *Dimensions |
| − | + | 185 x 432 x 310 mm | |
| − | + | Weight | |
| − | + | 16 kg | |
| − | == | + | == Remarks == |
| − | + | Other models of the same series: | |
| − | == | + | == Pictures == |
| − | [[ | + | [[File:Adcom GFA-555 II.jpg]] |
| − | == | + | == Reviews == |
== Links == | == Links == | ||
| − | [[ | + | [[Category:Power Amplifiers]] |
__NOTOC__ | __NOTOC__ | ||
Latest revision as of 06:15, 20 November 2012
General
- Product type: High end high power amplifier
- Number of channels: 2
- Brand: Adcom
- Audio inputs: Stereo L/R RCA
- Model: GFA-555 II
- RMS power: 400 W
Specifications:
- Inputs.
- 100k O.
- Two gold-plated, Teflon-insulted brass RCA jacks
- Gain
27 dB.
- Input Sensitivity
1.75V for 200 W into 8 O. 130 mV for 1 W into 8 O.
- Rated Power Output
200 watts per channel into 8 O from 20 - 20,000 Hz at less than 0.04% THD, both channels driven. 325 watts per channel into 4 O from 20 - 20,000 Hz at less than 0.04% THD, both channels driven. 600 watts into 8 O from 20 - 20,000 Hz at less than 0.04% THD, bridged mono 850 watts into 4 O from 20 - 20,000 Hz at less than 0.09% THD, bridged mono
- Dynamic Headroom
2.5 dB at 4 O.
- Power Bandwidth
1.7 - 100,000 Hz at - 3 dB.
- Frequency Response
10 - 20,000 Hz +0, -0.25 dB at 1 W RMS into 8 O.
- Damping Factor
Not less than 800 from 20 - 20,000 Hz into 8 O. Noise Not less than -110dB down from 200 watts into 8 O, A-weighted.
- Power Input
220 VAC 50-60 Hz. 72 VA idle. 1,500 VA maximum. 675 VA at 200 W into 8 O. I measure 37.5 watts at idle, cold. 60 watts at idle, warm (0.73A). 92 watts (1.09A) when delivering 1 watt per channel into 8 O. 845 watts when delivering 265 watts per channel into 8 O.
- Dimensions
185 x 432 x 310 mm Weight 16 kg
Remarks[edit]
Other models of the same series:
Pictures[edit]
