Marantz 4270 User Manual

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FRONT PANEL FE lURES MODE SWITCH MONO When the MODE Switch is in the MONO position, all input signals are summed. Speakers are driven as shown i

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or to monitor the tape on a three-head recorder during recording, place the MONITOR (TAPE/ SOURCE) pushswitch in the "TAPE" (in

FM MUTING SWITCH When tuning to FM broadcasts with the FM MUT-ING Switch in its "in" position, the muting circuit will eliminate inter-sta

R ARPA E FEATURES PHONO JACKS These two jacks are intended for use with magnetic cartridges requiring a standard 47,000 Ohm resistive load

antenna will provide better reception. Two single wires are required to make an AM outdoor antenna. First, connect one end of a single wire t

Terminals work as shown in Figure 13. 1) Press terminal in 2) Insert speaker wire 3) Release terminal CONNECTION TO AC OUTLET With the front p

BASIC DOLBY PROCESS The Dolby system increases the level of low-level, mid- and high-frequency signals during recording and reduces the level of

Since the calibration is extremely stable and should not have to be repeated (except to period-ically check it), we suggest that you mark the

~ Model 4270 Stereo 2+Quadradial 4 R Receiver MARANTZ CO., INC.·P.O. BOX 99·SUN VALLEY, CALIFORNIA·91352 A WHOLLY·OWNED SUBSIDIARY OF SUPERSCOPE

Mark the calibration positions on the recorder's record and playback level controls to avoid the necessity of re-calibrating after mak

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TECHNICAL DESCRIPTION GENERAL Figure 14 is a block diagram of the model 4270 Stereo 2 + Quadradial 4 Receiver showing main functional elem

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WAR A All parts of MARAN TZ product s are fully guaranteed for a period of THREE YEAR S from date of purchase, ex cept for tubes which are

••• TABLE OF CONTENTS Connecting the 4270 2 Source Devices 4 Remote Speakers 4 Speaker Phasing 5 Speaker Placement 5 Front Panel Features 7 Mode Switc

GENERAL DESCRIPTION Your Marantz Model 4270 is a high-quality Stereo 2 + Quadradial 4 Receiver developed by Marantz, a name famous for quality in

CONNECTING THE 4270 The 4270 can be used as a stereo or 4-channel Receiver. When using the 4270 as a stereo unit, the POWER MODE Switch o

I II II REAR SPEAKER SySTEM R{PEAT WIRING AS FOR FRONT sPEAKER SYSTEM LEFT Figure 2. Loudspeaker System Connections 5. Using shielded audio ca

I I FRONT RIGHT REAR IlEFT REAR RIGHT IIFRONTLEF T f RONT 11. If phono is selected, put on a stereo record. If FM is selected, tune to a stereo

SPEAKER PHASING To assure the best 4-channel or Stereo separation and frequency response, the following tests will verify that all four speaker