Diablo Audio Tech HF2500.1

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infamous_e46
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hArRy_DaNgLeRs
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Item(s) for Sale:

Fresh from authorized tech repair

Item(s) Description/Condition:

used

Price:

485 shipped obo

Shipping and Miscellaneous Item Information:

this amp never went up in smoke or got all toasty it would power on but no sound an amp repai man local to kingsuv that has been going thru all the blown amps repaired and replaced all the overrated parts in the amp

clamped at 2650w peak at 2ohm

Item Pictures:

5169831_2.jpg


5169832_3.jpg


5169833_4.jpg


 
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Testing Conditions were as follows

Power supply: 14.4 VDC power supply

Test signal: 50hz sine wave

Load: Dummy Resistor load

Environment: 77 Degrees F free air

Instrument: Audio Precision Sys1

S/N Ratio - 95.2db

Input Level - .133Vrms to 7.5Vrms

Total Harmonic Distortion /Power Chart

chart.jpg


Power output @ 4ohms

4ohm.jpg


Power Output @ 2ohms

2ohm.jpg


Power Output @1ohm

1ohm.jpg


Frequency response testing

-3db Frequency response = 8Hz~179Hz

-1db Frequency response = 11Hz~136Hz

Frequency Response

freqresponse.jpg


Low Pass Frequency Response

lpfresponse.jpg


Subsonic Filter Response

subsonicfilterresult.jpg


Overload Protection:

Unit Protects at less than 0.65ohm at full output power

Thermally at 82 Degrees Celsius

Voltage: 7.7V

 
Testing Conditions were as follows
Power supply: 14.4 VDC power supply

Test signal: 50hz sine wave

Load: Dummy Resistor load

Environment: 77 Degrees F free air

Instrument: Audio Precision Sys1

S/N Ratio - 95.2db

Input Level - .133Vrms to 7.5Vrms

Total Harmonic Distortion /Power Chart

chart.jpg


Power output @ 4ohms

4ohm.jpg


Power Output @ 2ohms

2ohm.jpg


Power Output @1ohm

1ohm.jpg


Frequency response testing

-3db Frequency response = 8Hz~179Hz

-1db Frequency response = 11Hz~136Hz

Frequency Response

freqresponse.jpg


Low Pass Frequency Response

lpfresponse.jpg


Subsonic Filter Response

subsonicfilterresult.jpg


Overload Protection:

Unit Protects at less than 0.65ohm at full output power

Thermally at 82 Degrees Celsius

Voltage: 7.7V
yep

 
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