Marantz 140 / 3200 / 112

Description

Professionally Restored by HQaudios - Fully Tested - Backed by Our 1-Year Warranty. Up for sale is a complete, matching vintage Marantz separates system from the golden age of analog audio: the Model 140 Stereo Power Amplifier, the Model 3200 Stereo Control Console Pre-Amplifier, and the Model 112 AM/FM Stereophonic Tuner - sold together as one set. These three components were designed by Marantz to work together, sharing the same classic champagne faceplate, the same chassis proportions, and the same engineering philosophy. The 3200 handles source selection and tone shaping, the 140 delivers clean solid-state power through its famous dual peak indicators, and the 112 brings in warm, stable FM reception through its MOS-FET front end. Buying the full stack at once means perfectly matched aesthetics, guaranteed system compatibility, and one shipment - an ideal foundation for a serious vintage Marantz system, ready for your favorite speakers and turntable. 1. KEY HIGHLIGHTS Complete 3-Piece Vintage Marantz Separates Stack - Amp + Preamp + Tuner Marantz 140: 80W + 80W (8 ohms) Solid-State Power with Dual Peak Indicators Marantz 3200: Full-Function Control Console with Bass / Mid / Treble Controls Marantz 112: MOS-FET Front-End AM/FM Stereo Tuner with Gyro-Touch Tuning Matching Classic Marantz Faceplates - A Beautiful, Cohesive Stack Professionally Restored and Calibrated by HQaudios Fully Tested Together as a Complete System Backed by Our 1-Year HQaudios Warranty 2. SOUND CHARACTER Together, this stack delivers the classic 1970s Marantz presentation that collectors prize: warm, full-bodied midrange, smooth and fatigue-free highs, and a relaxed, musical flow that makes long listening sessions effortless. The 3200 pre-amplifier offers generous tone-shaping flexibility with its three-band controls, the 140 provides clean, stable power with plenty of headroom for real-world speakers, and the 112 pulls in FM broadcasts with the rich, analog warmth that vintage Marantz tuners are known for. With the soft glow of the tuning dial and the flicker of the 140's peak indicators, this stack is every bit as enjoyable to look at as it is to hear. 3. HQAUDIOS RESTORATION & TESTING PROCESS Before Restoration: After decades of service, each of the three units is carefully inspected before any restoration work begins. For the 140 power amplifier, HQaudios pays particular attention to the power supply, output stages, and peak indicator circuits. For the 3200 pre-amplifier, every input, switch, and tone control is evaluated for noise and accuracy. For the 112 tuner, the MOS-FET front end, tuning mechanism, and stereo decoder are assessed for sensitivity and stability. During Restoration: Based on the initial inspection, each unit is restored according to HQaudios' technical standards with the goal of preserving the original Marantz engineering and sound character. Power supplies, signal paths, and internal circuit boards are inspected and serviced; components that no longer meet technical specifications are replaced, and critical solder joints are reinforced. Switches, potentiometers, and connectors are cleaned and treated for quiet, reliable operation. The tuner is checked and aligned for accurate, stable reception, and the amplifier is calibrated for proper bias and channel balance. Once the technical restoration is complete, the faceplates, knobs, and chassis are carefully cleaned and detailed to preserve the units' original appearance. After Restoration: The three units are tested together as a complete system under real operating conditions. All inputs and outputs, tone controls, filters, tuning across the full FM and AM bands, stereo separation, channel balance, and the 140's peak indicators are thoroughly verified. Finally, the stack undergoes several hours of continuous listening tests in a complete vintage audio system. Only after meeting HQaudios' inspection and performance standards is this set approved and prepared for its next owner. 4. SPECIFICATIONS Marantz Model 140 - Stereo Power Amplifier: Power Output: 80W + 80W (8 ohms) / 100W + 100W (4 ohms), both channels driven Total Harmonic Distortion: 0.1% or less (20Hz - 20kHz) Frequency Response: 20Hz - 20kHz +/-0.1dB Damping Factor: 45 or more (8 ohms) Features: Independent L/R peak indicators with clipping warning lights Dimensions / Weight: Approx. 14.2 x 4.7 x 10.7 in (360 x 120 x 273 mm) / 24.3 lbs (11 kg) Marantz Model 3200 - Stereo Control Console Pre-Amplifier: Output Voltage: 1.5V rms (10V max) Total Harmonic Distortion: 0.1% or less (20Hz - 20kHz) Frequency Response: 20Hz - 20kHz +/-0.25dB Phono Input: 1.8mV / 47k ohms Tone Controls: Bass +/-10dB / Mid +/-7dB / Treble +/-10dB, plus low filter Dimensions / Weight: Approx. 14.2 x 4.7 x 11 in (360 x 120 x 280 mm) / 11.7 lbs (5.3 kg) Marantz Model 112 - AM/FM Stereophonic Tuner: FM Sensitivity: 1.7uV, MOS-FET front end FM Signal-to-Noise: Mono 70dB / Stereo 60dB FM Distortion: Mono 0.15% / Stereo 0.3% Capture Ratio / Selectivity: 1.6dB / 60dB (IHF) Stereo Separation: 42dB (1kHz) Dimensions / Weight: Approx. 14.2 x 4.7 x 11 in (360 x 120 x 280 mm) / 14.1 lbs (6.4 kg) 5. WHAT IS INCLUDED Marantz Model 140 Stereo Power Amplifier Marantz Model 3200 Stereo Control Console Pre-Amplifier Marantz Model 112 AM/FM Stereophonic Tuner Please note: the units are sold without wood cases. Only the items clearly shown in the photos or specifically listed in the description are included. 6. VIDEO TEST & SOUND DEMO We understand that purchasing vintage audio equipment online requires confidence. Whenever available, we are happy to provide additional photos, close-up images, operational videos, or sound demonstrations. You are also welcome to visit the HQaudios YouTube channel to explore restoration projects, product demonstrations, and listening sessions featuring professionally restored vintage audio equipment. 7. SUGGESTED PAIRING This Marantz stack pairs beautifully with classic speakers and sources from the same era. To complete the system, HQaudios recommends: West Coast Classic - Speakers: JBL L100 Century. Punchy, dynamic, and iconic - the definitive 1970s pairing. Studio Reference - Speakers: Yamaha NS-1000M. Highly detailed and accurate for critical listening. British Warmth - Speakers: Tannoy Berkeley. Smooth and refined for jazz, vocals, and acoustic music. Analog Source - Turntable: Thorens TD-160 or Technics SL-1700. A perfect match for the 3200's excellent phono stage. For the best performance, HQaudios recommends pairing this stack with professionally restored vintage speakers and sources. 8. TRADE-IN PROGRAM Do you have vintage audio equipment you'd like to trade in? HQaudios welcomes trade-ins on receivers, amplifiers, speakers, cassette decks, reel-to-reel decks, turntables, and other classic audio components. Simply send us photos and basic information about your equipment. Our team will gladly review your items and discuss available trade-in options. 9. BUILD YOUR VINTAGE SYSTEM This stack already covers amplification, control, and FM/AM radio - all it needs is speakers and a source. HQaudios offers professionally restored vintage speakers, turntables, cassette decks, and reel-to-reel machines that pair beautifully with this set. If you're planning to purchase multiple components, ask us about available package pricing and complete system recommendations tailored to your listening preferences. 10. SHIPPING & PACKAGING Vintage separates are heavy and delicate, so each of the three units is professionally packed with strong protection to help ensure safe delivery. Each unit individually wrapped and cushioned. Faceplates, knobs, corners, and rear panels protected. Strong boxing and internal cushioning. Tracking information provided after shipment. 11. 1-YEAR HQAUDIOS WARRANTY All three units in this set are backed by our 1-Year HQaudios Warranty, covering proper electronic and functional operation under normal home use. Our goal is to provide a confident and comfortable buying experience. We are here to help. Warranty does not cover misuse, physical damage, unauthorized repair, damage caused by incorrect voltage, or shipping damage after delivery. 12. IMPORTANT NOTE FOR BUYERS Vintage separates are precision electronic devices. They require proper setup, adequate ventilation, and careful handling. We do our best to describe each unit clearly and provide detailed photos so you can buy with confidence. HQaudios - Vintage Audio Restored with Care. Professionally Restored / Fully Tested / Carefully Packed / 1-Year Warranty

Condition notes

Excellent

year

1970s