Marantz Model 3300
¥ 195,000 (around 1972?)
Commentary
A control amplifier that uses a newly designed circuit for transistors and carefully selected materials such as transistors, resistors and switches.
The equalizer stage, tone control stage, and output amplifier stage are directly connected with a differential circuit at the first stage.
The power supply is designed as a constant voltage circuit with a power transformer that also serves as a ripple filter to cope with the asymmetrical and intense waveform of real music, and the silicon diode is separated into left and right at the exit to improve crosstalk in the low-frequency range.
In addition, for the transformer, cut core is used and short ring is wound, and the transformer itself uses the one with the minimum flux, and sufficient mounting space is taken to suppress the effect.
Model Rating
| Type | Stereo control console |
| Dynamic range | Phono input, 100 dB above 1.0 μ V, Equivalent noise input |
| Input Sensitivity / Impedance | Phono : 1.35mV/47k Ω High Level : 135mV/50k Ω |
| Output Level / Impedance | Main : 3V/47k Ω Center Channel : 3V/47k Ω Tape : 3V/47k Ω Headphone : 3V/8 ohm |
| Total harmonic distortion factor | 0.02% or Less (3 v Output, 20 Hz ~ 20 kHz) |
| Cross modulation distortion factor | 0.02% or less (3 V output, any two frequencies between 20 Hz and 20 kHz) |
| Frequency characteristic | 6 Hz ~ 80 kHz + 0 -3dB 20 Hz to 20 kHz ± 0.25 dB |
| Total Broadband Noise(Equivalent Input) | Phono (input loaded and shielded) : 1.0 μ V |
| Channel separation | 40dB |
| Volume control tracking | Within 1dB |
| Tone control | Treble : ± 10 dB (10 kHz) Bass : ± 10 dB (100 Hz) |
| Filter | High : 5 kHz, 9 kHz Low : 50 Hz, 100 Hz |
| <General> | |
| Pwer | 100 VAC, 50Hz/60Hz 220V optional on special order |
| Power consumption | 10W |
| External dimensions | Width 391x Height 146x Depth 222 mm |
| Weight | 7.3kg |