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Marantz Model 150 Tuner

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Front View
EBay Auction #209827426
Image Attribution: Sean Brady
Date: Dec 6, 1999

Front view, rack mounted
Image Attribution: Jean-François
Date: November 2nd, 2001

Rear View
Image Attribution: scan from Ben's 150 manual

Owner's Manual
EBay Auction #512319809
Date: November 28th, 2000

Retail Price599.95, June 20th 1975 Marantz Dealer List
Resale Value$600+
Designed inUSA
Manufactured InJapan
First Year1975
Last Year1980
Blue FaceYes
ChannelsTwo, four for scope
Tube DesignOne (Scope)
AC SwitchYes
FusingRear deck
Switched AC OutletsOne @ 100 watts
Unswitched AC OutletsOne @ 200 watts
Power Source DetailsStandard 120 VAC
Power Consumption40 watts

Panel Width15 3/8
Panel Height5 3/4
Height5 3/8 (without feet)
Depth11 7/8
Weight26 lbs, 33.5 lbs packed

FM Tuner
Gyro TuningYes
RF Sensitivity1.2 uV
300 Ohm Binding PostsYes
75 Ohm Binding PostsYes
50 dB quieting sensitivity, Stereo40 uV
50 dB quieting sensitivity, Mono2.2 uV
Ultimate Quieting75 dB
THD, Mono0.15%
THD, Stereo0.30%
Frequency Response30 Hz to 15 kHz, +/- 1 dB
IF Bandwidth(s)Phase Linear 200 kHz
Capture Ratio1.0 dB
IF Image Rejection105 dB
IF Rejection105 dB
Alternate Channel Selectivity (wide or normal)085 dB
Spurious Rejection105 dB
AM Carrier Rejection65 dB
Stereo Separation at 1 kHz45 dB
Mono SwitchYes
Stereo Only SwitchYes
Multiplex Filter (Hi-Blend)Hi-Blend
AttenuatorYes, rear deck -20 dB
Stereo LampYes
Dolby LampYes
Hi-Blend LampYes
FM Mode LampYes
Muting SwitchYes
Muting AdjustmentOn rear deck
Output Level AdjustmentL,R on rear deck
25 uS Deemphasis Switch (Dolby Associated)Yes
Quadradial Output (FM Discriminator output, unequalized)Yes, 300 mV, 15K +/- 75 kHz deviation
Scope Horizontal Position AdjustmentYes
Scope Vertical Position AdjustmentYes
Scope Brightness AdjustmentOn rear deck
Scope Focus AdjustmentOn rear deck
Scope External Audio Display CapabilityFront and rear
Scope Internal Audfio Display CapabilityYes
Scope External Audio Gain ControlFront and Rear
Scope Tuning IndicationYes
Scope Multipath IndicationYes
Illuminated Dial PointerYes

AM Tuner
RF Sensitivity20 uV
Alternate Channel Selectivity48 dB (alt chan)
Image Rejection70 dB
Signal Strength Meteringvia Scope
External Ferrite AntennaYes
Antenna binding PostsPress-n-clamps

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