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Marantz Model 33

Stereo pre- amplifier

(Solid State)

 

  

 

 

FRONT PANEL. Anodized silver. Upper level (from left to right) : Selector (tape head, phono 2, phono 1, tuner, aux 2, aux 1) Tone control ( in/out/loudness) left and right bass control sliders volume slider balance left and right treble control sliders blue pilot lamp- hi-filter (5 khz/out/9khz) headphone volume control. Lower level : Mode ( right, left ,stereo, stereo reverse, L+R) dubbing in and out headphone jack low-filter (50 Hz/out/100 Hz)- power switch.

 

REAR PANEL : AC outlet (five switched one unswitched) Fusing (0.50A) 2 preamp out tape out tape in scope out- aux 2/aux 1/tuner inputs phono 1/phono 2/tape head inputs - center channel gain control center channel output chassis ground.

  Designed in USA  - Manufactured In USA 

 

 

 

SPECIFICATIONS

Gain:

Phono to main output 63 dB

Phono to recording output 43 dB

High level to main output 20 dB

Maximum Output Level 10 v RMS

Rated Output Level 3 v RMS

THD less than 0.02% @ 3 volts output,20 Hz to 20 kHz

Frequency response +0-1 dB,5Hz to 100 kHz /  -.25 dB,20 Hz to 20 kHz

Total noise (equivalent input) 20 Hz to 2o kHz : Phono (input loaded and shielded) 1.0 μV

Dinamic range (S/N ratio) : phono input 118 dB above 1.0 μV equivalent noise input

Channel separation : 20 Hz to 20 kHz, 58 dB

Input sensitivity : 1 mV Phono for 1.4 V output / 100 mV High level for 1 V output

Input impedance : phono 47 K tape head 100 K high level 50 K

Volume tracking : within 1 dB

Output level and impedance :

Main 10 V 200 Ohms

Center channel 5 V 200 Ohms

Tape recorder 10 V 200 Ohms

Headphones 10 V 300 Ohms 

 

Power consumption : 10 w

Number of Semi-Conductors : F.E.T.s  6 Transistors 52 Diodes 8

Single Bass Adjustment +/- 10db at 100 Hz

Single Treble Adjustment +/- 10dB at 10 KHz

High Filter 5 khz or 9khz, 12 dB/octave

Low Filter 50 Hz or 100 Hz, 12 dB/octave

Tape to Tape Dubbing Via front panel

Matching Amplifiers : 16, 16B, 32 
Matching Tuners:  23,20 

 

 

Is available on request the owner's manual

 

E' disponibile a richiesta il manuale di istruzioni

 

 

 

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