Output Power per Channel in Stereo Mode with Both Channels Driven:

FTC Continuous Average Power from 20 Hz to 20 kHz with No More than 0.1% THD:

D-75A: 35 watts into 8 ohms, 45 watts into 4 ohms.

Maximum Average Power at 1 kHz with No More than 0.1% THD:

D-45: 20 watts into 16 ohms, 25 watts into 8 ohms, 35 watts into 4 ohms.
D-75A: 25 watts into 16 ohms, 40 watts into 8 ohms, 55 watts into 4 ohms.

Output Power in Bridge-Mono Mode:

Maximum Average Power at 1 kHz with No More than 0.1% THD:

D-45: 70 watts into 8 ohms.
D-75A: 110 watts into 8 ohms.

Signal-to-Noise Ratio (unweighted): 106 dB below full rated power from 20 Hz to 20 kHz.

Input Impedance: 20 K ohms balanced, 10 K ohms unbalanced.

Controls: Power, channel 1 and 2 detented level controls, dual/mono jumper.

Connectors:

Inputs: Balanced three-pin Neutrik combination XLR and 1/4-in. phone jack for each channel.

Output: Four-terminal barrier block (two per channel) and stereo headphone jack.

AC Line: Standard three-wire grounded connector.

Dimensions: 19 in. (48.3 cm) standard rack mount width, 1.75 in. (4.4 cm) height, 8.38 in. (21.6 cm) depth behind mounting surface.

Net Weight: D-45: 9 lbs. 11 oz. (3.9 kg). D-75A: 9 lbs. 7 oz. (4.3 kg).

Shipping Weight: D-45: 10 lbs. 9 oz (4.8 kg). D-75A: 11 lbs. 4 oz. (5.1 kg).

Total Harmonic Distortion (THD): Less than 0.001% from 20 Hz to 400 Hz and increasing linearly to 0.05% at 20 kHz delivering rated power into 8 ohms/channel.

Intermodulation Distortion (IMD): (60 Hz and 7 kHz 4:1) Less than 0.05% from 0.01 to 0.25 watt and less than 0.01% from 0.25 watts to rated power into 8 ohms/channel.

Load Impedance: Rated for 4 to 16 ohms in Stereo and 8 to 16 ohms in Bridge-Mono. Safe with all types of loads.