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Zapco ST-5B

SKU ST-5B
Original price

₹22,990.00

Sale price

₹16,090.00

The Zapco ST-5B is a 5-channel Class AB amplifier from the ST-B (Studio-B) series, built for everyday systems.

  • 4 x 70 W + 1 x 250 W at 4 ohm, or 4 x 100 W + 1 x 400 W at 2 ohm
  • Bridged: 2 x 180 W at 4 ohm plus 1 x 400 W at 2 ohm
  • MOSFET power supply in an extruded aluminium chassis
  • Variable full / low-pass / high-pass crossover, subsonic filter and bass boost (0–12 dB)
  • RCA and OEM speaker-level inputs; works with the optional ST-BR remote level control

Technical specifications: Bridged power: 2 x 180 W (4 ohm) + 1 x 400 W (2 ohm); THD at rated power: Less than 0.2%; Signal-to-noise ratio: More than 90 dB; Channel separation: More than 45 dB; Frequency response: 15 Hz – 30 kHz (±1 dB); Input sensitivity: 0.25 – 5 V; Inputs: 6 x RCA; OEM speaker-level input; Controls: Gain, full / low-pass / high-pass crossover, subsonic filter, bass boost 0–12 dB; Dimensions: 351 x 182 x 52 mm (L x W x H); 381 mm overall length.

Genuine Zapco product.

Quantity

Technical Specs

Brand Zapco
Model ST-5B
Series ST-B (Studio-B)
Type 5-channel Class AB amplifier
Power at 4 ohm 4 x 70 W + 1 x 250 W
Power at 2 ohm 4 x 100 W + 1 x 400 W
Bridged power 2 x 180 W (4 ohm) + 1 x 400 W (2 ohm)
THD at rated power Less than 0.2%
Signal-to-noise ratio More than 90 dB
Channel separation More than 45 dB
Frequency response 15 Hz – 30 kHz (±1 dB)
Input sensitivity 0.25 – 5 V
Inputs 6 x RCA; OEM speaker-level input
Controls Gain, full / low-pass / high-pass crossover, subsonic filter, bass boost 0–12 dB
Power supply MOSFET
Dimensions 351 x 182 x 52 mm (L x W x H); 381 mm overall length
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