OPTIDRIVEN

 

Bronze Member
Username: Juliob

Santo DomingoDominican Re...

Post Number: 77
Registered: Dec-05
HEY MAN DO YOU KNOW IF THE LANZAR 2600D MONO AMP CAN THROW AT LEAST 1000 RMS AT 1 OHM, IT USES 4X30A FUSES. IT SAYS 2000 BUT YOU'RE THE GENIOUS
 

Silver Member
Username: Goatin

U.S.A

Post Number: 131
Registered: Jan-06
http://pub14.ezboard.com/fcaraudiotalkfrm27.showMessage?topicID=27.topic
 

Gold Member
Username: Chaunb3400

Huntsville, Alabama U.S.

Post Number: 4837
Registered: Jul-05
Him nor Optidriven, like the list, but everyone else feels that it is pretty accurate.BTW thats the old list there is an updated list
 

Bronze Member
Username: Juliob

Santo DomingoDominican Re...

Post Number: 78
Registered: Dec-05
I'M ASKING TO OPTI BECAUSE HE HAS ALL THE TESTS OF LANZAR AMPS, SO WHAT ABOUT THE HERITAGE 2600D LIKE I POSTED BEFORE AT THE BEGINNING?
 

Silver Member
Username: N2audio

Lawrence, Ks USA

Post Number: 505
Registered: Mar-04
Haven't actually seen test numbers, but just by looking at the board it's obvious to see it's more powerful than the 1200/1800D. The board is actually closer to the opti2000D than the Vibe 1800D.

Maybe 1500ish at 1 ohm, 14v.
 

Silver Member
Username: Solacedagony

New Jersey US

Post Number: 787
Registered: Oct-04
4x30A fuses = 120A
120A * 13.8v = 1656W
Assuming it's not clipping by then, that's what you'd get.
 

Silver Member
Username: N2audio

Lawrence, Ks USA

Post Number: 508
Registered: Mar-04
You're making way too many assumtions for that theory to hold much water.

1) fuses don't blow the second they try to pass rated current - far from it.
2) Designers don't necessarily apply fuses in the exact same manner. One person designing a dynamic circuit with 100A max current might decide an 80A fuse would be sufficient, while another would go with 100A
3) you're assuming 100% efficiency

 

Silver Member
Username: Spyder

Eglin AFB, Florida USA

Post Number: 279
Registered: Jun-05
and lanzar is no where near 100% efficient!
 

Silver Member
Username: N2audio

Lawrence, Ks USA

Post Number: 510
Registered: Mar-04
LOL - just like every other amp

The 1200D was 67% at 1/3 output, which is right in line with many class D's and better than a lot.

I've read there was a CA&E review on the 2000D that measured efficiency at 83% - not sure what impedance.

The best efficiency I've seen in a legitimate test was the PG Xenon mono's - 83% at rated power at 4 ohms.

A lot of mfg's claim crazy efficiency numbers but it doesn't mean anything unless you know the impedance and the power output for the measurement.
 

Silver Member
Username: N2audio

Lawrence, Ks USA

Post Number: 511
Registered: Mar-04
since I found the test results for the 2000D I figured'd I'd go ahead and post them.

They're beyond my expectations --


Test Results:
Output power @ 1%THD, 1kHz, 14.4V
4 Ohms - 770W
2 Ohms - 1118W
1 Ohm - 1687W
0.5 Ohm - 1962W

Output Power @ 1%THD, 1kHz, 12.5V
4 Ohms - 673W
2 Ohms - 988W
1 Ohm - 1406W
0.5 Ohm - 1635W

Distortion at rated power, 1kHz, 14.4V: 0.14% @ impedance
Input sensitivity:250mV to 8V
Frequency response (+1dB):15Hz - 130kHz
Signal to Noise ratio (A weighted, below clipping, min gain): >83dB
Slew Rate: 6.5V/Msec
Damping Factor @ 100Hz, 4 Ohms: 105
Idle current: 2.1A
Max current draw, in clipped: 117A @ 1152W
Efficiency at 1/3 Power, lowest impedance: 79%
Efficiency at full power, 1%THD, lowest impedance: 85%
Crossover slope: 24dB/octave
Crossover range, lowpass 48Hz-155Hz
Subsonic slope: 24dB/octave
Subsonic range, lowpass: 14Hz-56Hz
Low frequency boost: +19dB @ 43Hz
Dimentions: 19 1/8"L x 10"W x 2.5"H

The Opti2000D is strappable meaning two amplifers can be used on a single channel, allowing nearly 4000W into a 1 Ohm load.


I also found info that the 2600D will approach 2kw @ 1 ohm.
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