Nakamichi Amplifier 2

Nakamichi model, Amplifier 2 follows the same design philosophy as Amplifier 1, with features:

Harmonic Time Alignment circuit topology

Line amplifier stage with discrete components

High current capability

Multi-regulated Power Supply

Isolated ground principle

System Remote capability

Specifications

Power Section

Continuous Average Output Power (both channels driven, 20-20,000 Hz, 0,1%T.H.D.):

50 watts per channel into 8 Ω

80 watts per channel into 4 Ω

Dynamic Output Power:

90 watts per channel into 4 Ω

140 watts per channel into 2 Ω

Power Bandwidth:  10 -50,000 Hz

Frequency Response:  20 -20,000 Hz +0, -0,5 dB (5 - 80,000 Hz +0, -3 dB)

Signal-to-Noise Ratio (A weighted, Input Shorted):  better than 105 dB re rated power  (better than 83 dB , IHF-A 202)

Total Harmonic Distortion (8 Ω , rated power, 20 - 20,000 Hz) :  0,1% or less

Headphone Output (into 40 Ω ):  117 mW

Output Current Capability:  18 A peak per channel

Preamplifier Section

input Sensitivity/Impedance:

Phono MC :  0,125 mv/100 Ω

Phono MM :  2,5 mv/47 k Ω

CD, Tuner, Tape, Aux :  150 mv/20 kohm

Maximum Input Level (1 kHz):

Phono MC :  9 mv

Phono MM :  180 mv

Output Level/Impedance:

Rec Out :  150 mv/1,5 k Ω

Total Harmonic Distortion (1 kHz, Rec. Out, 1 V Output Level):

Phono MC :  0,1% or less

Phono MM :  0,008% or less

RIAA Deviation

Phono MC /MM :  30 - 20,000 Hz ±0,5 dB

Signal-to-Noise Ratio

Phono MC :  70 dB

Phono MM :  82 dB

Tone Controls

Bass :  20 Hz ±10 dB

Treble :  20 kHz ±10 dB

General

Power Source:  120, 230, 240 or 110, 120, 220, 240 V AC , 50/60 Hz

Power Consumption:  370 W max.

Convenience Outlets:  2 x switched, max capacity 150 W (total)

Dimensions (W x H x D):  430 x 125 x 360 mm

Weight:  12,5 kg