The all new P4000 trans-nova DIAMOND is Hafler's latest statement piece in amplifier technology. A 200 watt per channel @ 8 ohm convection cooled masterpiece featuring Professor Jim Strickland's trans-nova circuitry (patent #4467288) and his DIAMOND transconductance driver stage which combines the linearity of Class A operation with the current headroom of Class B.

Power Rating 200 Watts per channel at 8 ohms, 275 watts per channel at 4 ohms, 550 watts bridged at 8 ohms
Signal-to-Noise Ratio 100 dB below rated output "A" Weighted
Frequency Response 0.2 Hz to 200 kHz, +0/-3 dB
Slew Rate 100 V/µS
Common Mode Rejection -75dB at 1 kHz
Input Impedance 47,000 ohms
Input Sensitivity 1.4V (for Rated Output Power - 200 watts output at 8 ohms)
Gain +29 dB max / -31dB min
Damping Factor 500 (to 1 kHz); 150 (to 10 kHz) 18 (to 100 kHz)


Controls and Switches Front Panel: Power switch, Gain controls

Rear Panel: Chassis/Float ground switch
Indicators Power, Signal, Clip, Thermal, Short LEDs
Connectors Input: Dual function XLR and 1/4 inch TRS

Output: Dual 5-way binding posts
Warranty Five Years, parts and labor
Power Consumption 120W/1A (Idle, 250W/2.1A (1/8 Power at 8 ohms), 720W/6A (max. at 8 ohms)
Dimensions 19" (48.26 cm) W, 11" (27.94 cm) D, 5 1/4" (13.34 cm) H (3-rack spaces)
Net Weight 34 lbs. (15.42 kg)