Marantz M-23

GPTKB entity

Statements (54)
Predicate Object
gptkbp:instanceOf musician
gptkbp:availability vintage market
gptkbp:collectibility high among vintage audio gear
gptkbp:colors silver
gptkbp:communityFeedback excellent sound quality
gptkbp:component amplifier
gptkbp:coolingSystem ventilated chassis
gptkbp:design classic
1970s audio equipment
audiophile-grade performance
gptkbp:dimensions 17 x 5.25 x 14 inches
gptkbp:features dual power supply
gptkbp:frequency 20 Hz to 20 kHz
gptkbp:historicalSignificance iconic model in audio history
https://www.w3.org/2000/01/rdf-schema#label Marantz M-23
gptkbp:impedance 8 ohms
gptkbp:influences audio engineering advancements
gptkbp:inputOutput 120V
line level
47 kOhms
1.0 V
gptkbp:legacy part_of_Marantz's_classic_series
gptkbp:manufacturer gptkb:Marantz
gptkbp:marketedAs high-end amplifier
gptkbp:marketSegment high-fidelity audio
gptkbp:notableFeature high current capability
gptkbp:powerOutput stereo
140 watts at 4 ohms
70 watts per channel
gptkbp:powers transformer-based
300 watts
gptkbp:predecessor Marantz M-22
gptkbp:primaryUser available online
gptkbp:productQuality high
premium
gptkbp:relatedPatent gptkb:Marantz_M-25
Marantz M-22
gptkbp:releaseDate 1975
gptkbp:releaseYear 1970s
gptkbp:replacedBy 0.1% THD
gptkbp:reviews generally positive
gptkbp:services authorized service centers
gptkbp:sisterCity gptkb:RCA
binding posts
gptkbp:style retro
gptkbp:successor gptkb:Marantz_M-25
gptkbp:supplyChain variable
gptkbp:targetAudience audiophiles
gptkbp:type discrete components
100 dB
class AB
gptkbp:userBase collectors
gptkbp:warranty 1 year
gptkbp:weight 20 lbs