Marantz 3200 Preamplifier and 140 Power Amp VU Meter Set

Marantz 3200 Stereo Control Preamplifier

A classic Marantz preamplifier designed for precise tonal control and flexibility, the Model 3200 delivers warm, transparent sound with the reliability expected from 1970s Marantz engineering. Compact yet versatile, it provides the foundation for a refined stereo system.

Key Features & Specifications:

• Frequency Response: 20 Hz – 20 kHz (±0.5 dB)

• Total Harmonic Distortion (THD): Less than 0.1%

• Input Sensitivity:

  • Phono: 2.2 mV / 47kΩ

  • Aux/Tuner/Tape: 180 mV / 100kΩ

• Signal-to-Noise Ratio:

  • Phono: 70 dB

  • High-level inputs: 85 dB

• Tone Controls: Bass, Midrange, Treble (continuously variable, ±10 dB)

• Loudness Compensation: Switchable

• Filter Functions: High and Low cut filters

• Input Options: Phono, Tuner, Aux, 2 × Tape monitor loops

• Output Options: 2 × Main outputs (pre out)

• Dimensions (W × H × D): 14-3/8″ × 4-15/16″ × 10-1/2″ (365 × 125 × 267 mm)

• Weight: Approx. 15 lbs (6.8 kg)

Marantz 140 Stereo Power Amplifier

The Marantz Model 140 delivers robust, clean amplification with a classic brushed-aluminum faceplate and dual power meters. Built for audiophiles seeking both visual appeal and performance, it provides a reliable foundation of power for demanding speakers.

Key Features & Specifications:

• Power Output: 75 watts per channel (RMS, both channels driven, 8Ω, 20–20,000 Hz)

• Power Bandwidth: 10 Hz – 40 kHz

• Total Harmonic Distortion (THD): Less than 0.1%

• Damping Factor: 45 at 8Ω

• Input Sensitivity: 1.5 V for rated output

• Input Impedance: 30kΩ

• Signal-to-Noise Ratio: 100 dB

• Front Panel Features:

  • Dual illuminated VU meters (power output indicators)

  • Level controls for left & right channels

  • Speaker selector (off, A, B, A+B)

• Output Protection: Relay protection circuitry

• Dimensions (W × H × D): 14-3/8″ × 5-3/4″ × 11-1/2″ (365 × 146 × 292 mm)

• Weight: Approx. 27 lbs (12.3 kg)