- Audio channels: Two
- Operating modes: Full-range, bi-amp, option (w/option card)
- Rear panel connectors: Balanced in-out x 2 (XLR)
Balanced high-frequency output x 2 (XLR) Balanced low-frequency output x 2 (XLR)
- Crossover: 140Hz with 502B bass enclosure 125Hz with OC-1 option card
- Rear panel controls: Mode switch
Input sensitivity switch x 2 (-10dB-V, +4dB-V) Bass level control (range -18dB, +3dB) Bass mono switch (norm/sum)
- Electrical specifications: Channel separation: >60dB @ 1kHz Input impedance: 2.4kΩ nominal Output impedance: 600Ω nominal Output level: 8.0V RMS max. into 600Ω
- Mechanical specifications: Dimensions: 13⁄4" (H) x 19.0" (W) x 8.0" (D) (4 x 48 x 20 cm)
- Weight: 5.5 lb (2.5 kg)
