마란츠 2285B 블루턴 리시버 입니다 -A급-(ending)

마란츠사의 2285B 블루턴형 리시버 입니다. 마란츠 3대 베스트셀러 인 2330 2325 와함께 엔트리급 모델로서

합류되어 있는 제품입니다. 잘알려진  제품인 만큼 소리와 모양새 모두 뛰어난 제품입니다. 사진과 같이 상태는

A 급 수준으로 앞면의 실기스는 제 눈으로는 거의 안보이는 상태이며 내부상태 역시 상태 우수함을 자랑합니다.

내부부품 완벽하며 마란츠 각인 켄TR 8구 그대로 채용되어 있습니다. 내부상태 역시 상당히 보존잘된 상태 로서

내/외관 상태  모두 좋으며 작동상 전혀 이상 없습니다. 70~80년대 JBL밎 보스 스피커 와  매칭이 좋습니다.

저음도 풍성하게 잘내보네 음 벨런스가 상당히 좋습니다.오리지널 우드케이스는 오리지널 상태로 상태 우수합니다.

체널당 85w+85의 적당한 출력이 가정에서 사용하기 적합한  리시버이며 수신상태  최상을 자랑하며 FM 스테레오

밎 분리  완벽합니다.  전원220v 이며  마란츠 리시버중 손꼽히는 제품입니다.  


아래스팩은 http://www.classic-audio.com 사이트에서 가져왔습니다 잘쓰겠습니다^^




General
Rarity Scarce
Retail Price 670
Ebay Low-bid $150.00
Designed in USA
Manufactured In Japan
First Year 1977
Last Year 1980
Wood Case WC-122
Silver Face Yes
Channels Two
Speaker Connections Main, Remote
Chassis Ground Knurled screw
AC Switch Yes
Fusing Rear deck, buss, 5 ampere
Switched AC Outlets One @ 100 watts
Unswitched AC Outlets One @ 200 watts
Power Source Details Dual Secondary power supply
Power Consumption 340 watts, 50 watts @ idle
Independent Power Supplies Dual Secondary only
Special Option 1 DLB1 Dolby FM Decoder (US Models only)



Physical
Panel Width 5 3/8
Panel Height 17 5/16
Width 17 1/4
Height 5 1/2
Depth 14 1/4
Weight 37.4 lbs, 42.9 packed for shipment



Amplifier
RMS Power Per Channel 85x2
Damping Factor @ Load Impedance 60 (at 20 Hz)
Total Harmonic Distortion (THD) 0.05%
Power Bandwidth 20 hz to 20 khz
Frequency Response +/- 0.2 dB 20 Hz to 20 KHz @ 1 watt
Intermodulation Distortion (IM) 0.05% @ 8 ohms, 0.10% @ 4 ohms
Input Impedance 33 Kohm
Input Sensitivity for Full Output 1.5 Volts
Output Impedance(s) 8 ohms to 4 ohms



FM Tuner
Gyro Tuning Yes
RF Sensitivity 1.8 uV
300 Ohm Binding Posts Yes
75 Ohm Binding Posts Yes
75 Ohm F Connector Yes
50 dB quieting sensitivity, Stereo 35 uV
50 dB quieting sensitivity, Mono 3.0 uV
Ultimate Quieting 78 dB @ 1000 uV
THD, Mono 0.30%
THD, Stereo 0.50%
Frequency Response 30 Hz to 15 KHz +/- 1.5 dB in Stereo
Hum and Noise 75 dB
Capture Ratio 1.0 dB at 65 dBf
IF Image Rejection 90 dB
IF Rejection 100 dB
Stereo Subcarrier Rejection 70 dB
Alternate Channel Selectivity (wide or normal) 080 dB
Spurious Rejection 100 dB
AM Carrier Rejection 55 dB
Stereo Separation at 1 kHz 50 dB
Mono Switch Yes
Signal Strength Meter Yes
Center Tuning Meter Yes
Multiplex Filter (Hi-Blend) Yes
Stereo Lamp Yes
FM Mode Lamp Yes
Multipath Listen Yes
Muting Switch Yes
Muting Adjustment Rear Deck
25 uS Deemphasis Switch (Dolby Associated) Yes
Dolby Fm Decoding Option Yes
Illuminated Dial Pointer Yes



AM Tuner
Alternate Channel Selectivity 46 dB
IF Rejection 75 dB
Image Rejection 75 dB
THD 0.4%
Signal to Noise Ratio 54 dB
Spurious Response Rejection 85 dB
Signal Strength Metering Yes



Preamplifier
Multiple Bass Adjustments Yes
Multiple Midrange Adjustments Yes
Multiple Treble Adjustments Yes
Tone Control Defeat Yes
Bass Turnover Options Yes
Treble Turnover Options Yes
High Filter Yes
Low Filter Yes
Gain Control Yes
Loudness Contour Yes
Mono L, R, L+R (discrete buttons)
Balance Knob
Number of Tape Monitors Two
Tape to Tape Dubbing Via front panel or rear, 1 to 2 or 2 to 1
Auxillary Input Source Yes
Phono Input Source Yes
2nd Phono Input Source Yes
Illuminated Source Indicators Yes
Tuner Source Input Am/FM
Tape Monitor Yes
2nd Tape monitor Yes
Preamp to Amplifier Jumper(s) Yes
Headphone Jack(s) Yes
Speaker Selection Nomenclature 1, 2