Marantz - Model 1070 Solid state stereo amplifier

Pre-main amplifier that uses Malantz's traditional inverted Darlington circuit.

The tone control section is equipped with an intermediate control that allows adjustment of the high, mid, and low ranges.

Equipped with a speaker-matrix circuit, it makes it easy to utilize 4 channels.

Equipped with an output transistor protection circuit with PEP.

The preamp section and the power section can be used independently.

The protective front plastic cover from the original packaging is still present.

Model Rating
Type Pre-main amplifier
Rated output 40W + 40W (8 Ω, 20 Hz to 20 kHz, both channel drive)
Frequency characteristic 20 Hz to 20 kHz ± 1 dB
Total harmonic distortion factor 0.3% or Less (20 Hz to 20 kHz)
Cross modulation distortion factor 0.3% or Less (20 Hz to 20 kHz)
Damping factor 40 or More (8 Ω Load)
Gain Phono – Preout:55dB
Phono – Recout:40dB
Highlevel – Preout:15dB
Input impedance Phono, Mic : 47k Ω
High level : 100k Ω
Input sensitivity Phono:1.8mV
Aux:180mV
Phono input equivalent noise 1.5 μ V or Less (Input Conversion Value)
Filter High:10kHz
Low:50Hz
Power supply voltage 100 VAC, 50Hz/60Hz
Power consumption 190W
External dimensions Width 360x Height 120x Depth 280 mm
Weight 8.4kg