NAD - 3155 Solid state integrated amplifier

NAD 3155 Integrated Amplifier – Japanese top quality from the NAD golden era (1985–1987)

An exceptionally well-built and underappreciated integrated amplifier from NAD, from the period when the brand established its reputation with sonically powerful and technically thoughtful designs.

The NAD 3155 was positioned at introduction as a “two-in-one” solution: a high-quality preamplifier combined with a powerful high-current power amplifier. This results in a particularly musical, spacious and full sound, with a touch of warmth that is characteristic of the classic NAD signature.

What sets this model apart is the Japanese production, which guarantees higher build quality and better component quality than many other NAD models from that period. Internally the amplifier is richly equipped with a heavy transformer, generous heatsinks and an advanced circuit that easily drives demanding speakers.

The integrated MM/MC phono preamplifier with adjustable capacitance makes this model particularly attractive for vinyl enthusiasts and offers performance typically found only in standalone phono stages from a higher class.

In sonic terms the NAD 3155 delivers a convincing and musical whole:
• Full and powerful bass response
• Wide, spacious stereo presentation
• Natural, slightly warm tonal character
• Pleasant, non-fatiguing listening experience

An amplifier that doesn’t analyze music, but lets it be experienced.

Technical specifications

General
• Manufacturer: NAD
• Model: 3155
• Years of manufacture: 1985 – 1987
• Country of production: Japan
• Color: anthracite
• Power consumption: 340 W
• Dimensions: 42 × 10.8 × 38 cm (W × H × D)
• Weight: approx. 8.4 kg
• Original new price: approx. € 848

Connections

Inputs:
• Phono (MM / MC switchable)
• Tuner
• CD / Aux
• Tape 1
• Tape 2
• Power amplifier input (Main In)

Outputs:
• Tape 1
• Tape 2
• Headphones
• 2 speaker pairs
• Preamplifier output (Pre Out)

Performance
• Power: 2 × 55 W RMS (8 Ohm)
• Dynamic power:
2 × 65 W (8 Ohm)
2 × 75 W (4 Ohm)
• Total harmonic distortion: 0.03%
• Damping factor: > 50
• Frequency response: 20 Hz – 20,000 Hz (± 0.5 dB)
• Signal-to-noise ratio: 86 dB (Phono: 78 dB)

Features and extras
• Soft Clipping (switchable)
• MM/MC phono with capacitance adjustment (100 / 200 / 300 pF)
• Subsonic filter (disableable)
• Bass & Treble controls
• Loudness function
• Bass EQ switch
• Mono switch
• Impedance select (4 / 8 Ohm)

This unit is in excellent condition, fully tested and functioning as it should. A rarely well-preserved specimen.

The NAD 3155 is technically and in build quality above the well-known 3020 and 3130 models and is still highly valued in today’s market. This makes it a particularly interesting choice for both the collector and the serious music lover.

Carefully packed and shipped registered with smart shipping and track and trace.