Experimental amplifier: Input needed


New member
Username: Tecpc2001

Post Number: 1
Registered: Oct-04
Can someone give me input on a class D amp, tested with these specs...

Mono BASS Amp Specifications

RMS Power at 14.4V (into 1 ohm 50Hz THD+N < 5%) 1211 Watt
RMS Power at 14.4V (into 2 ohm 50Hz THD+N < 3%) 920 Watt
RMS Power at 14.4V (into 4 ohm 50Hz THD+N < 1.6%) 600 Watt
Efficiency (Full Supply Power TO 400W Output Power Ratio (c=PE/PO)) > 80%
S/N Ratio Full Rated Power (Level at Max, A-Weighted) > 80dB
Low level inputs 0.2V--5V
Frequency Response (0dB/-3dB) 14Hz--220Hz
Crossover Low Pass Filter 25Hz--200Hz
SUBSONIC Filter 20Hz-50Hz
Low Pass Filter 24dB/Oct
SUBSONIC Filter 12dB/Oct
Phase shift test at 100Hz 0--180 DEGREE
Operating voltage DC10V--16V
Remote control Optional
High-grade Nickel-plated, heavy duty terminal block type connectors Yes
protection Short circuit, Overload, over Thermal
Dimensions (HxWxD) 200mm x 60mm x 400mm


Silver Member
Username: Boopers

Lima, Ohio United states

Post Number: 242
Registered: Jul-04
scary thd's on it if you ask me

New member
Username: Tecpc2001

Post Number: 2
Registered: Oct-04
The distortion would be barely audible
Wouldn't it...

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 5353
Registered: Dec-03
looks like they gave honest specs.. for once on an amplifier.
wish they said how they tested THD and power etc though.. if it was using FCC or IEA standards.

those are actually very typical distortion levels for full output on a class D amp.
keep in mind though, distortion spikes when you get close to peak output from a class D amp, so it should decrease substantially at normal listening levels.
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