PRO-SERIES THREE Stereo Power Amplifier Kit
Australia February/March 1994
This exceptional power amplifier has forged its' way into professional sound studios, radio stations and living
rooms right around the country.
Building it isnšt a problem, either. We supply a superbly illustrated and thorough construction manual that takes
you through step by step - no worries!
The Pro 3 is supplied absolutely complete with professionally prepared panelling, pre-tinned PCBs, high-quality
high-current wiring plus all specified componentry. Wešre not going to attempt to put into words how great this
amplifier sounds - take a look at the specs below or just talk to a proud Pro 3 owner. Alternatively, drop into one
of our showrooms for a demonstration you wonšt forget. We know that you will be delighted with this kit!
SPECIFICATIONS:
Power Output (per channel - with both channels driven) Continuous IHF (short term) 185W RMS into 8 ohms 240W RMS
into 8 ohms 255W RMS into 4 ohms 380W RMS into 4 ohms
Distortion Total Harmonic (THD) Intermodulation (IMD) 0.005% at 100W RMS into 8 ohms (50Hz/7kHz, 4:1 ratio) 0.008%
at 180W RMS into 8 ohms 0.005% at 180W RMS 8 0.009% at 240W RMS into 4 ohms
Frequency Response: -3dB points: 10Hz to 100kHz
Signal to Noise Ratio (unweighted): >100dB with respect to 100W RMS
Slew rate: Approx 40V/micro second - defined by input filter
Damping Factor: >300 at 180W RMS into 8 ohms
Input Sensitivity / Impedance: 0.8V/33k for 100W into 8 ohms
Overload Indicator: Activated if output THD exceeds approx 0.05% (regardless of load impedance)
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