Description
YAMAHA CT-600 Audiophile AM/FM 4 gang Stereo Tuner, vintagein very good working condition for the age with some signs of normal use. Please note the AM antenna has snapped but I believe can be repaired easily. It doesnot affect the tuners performance when connected to external aerial for FM/AM in silver front facia & wooden top & sides A classic 4 gang Yamaha based on the famous CT-800 that punches well above its weight even by todays standards. Beware, the CT-600 is much better than the CT-610 (3 gang) that replaced it! Quite rare in such lovely original conditionA much sought after audiophile tuner, classic Yamaha design, widely held as the smartest around with a gorgeously open sound to boot!Highly regarded by British Audiophile PressA much sought after audiophile tuner a real collectors item! YAMAHA CT-600AM/FM stereo tuner with low distortion factor and high separation achieved by original MPX circuitThe FM front-end section uses two dual-gate MOS FETs with low noise and excellent high-frequency characteristics in the FM RF stage and mixer stage to improve cross-modulation, image interference ratio and spurious interference ratio.A frequency number line type precision four series varicon is used for the tuning circuit.The IF stage is designed with an emphasis on phase characteristics along with the front end. The circuit configuration that also includes circuit elements such as ICs and 4-element ceramic filters realizes high stability and excellent limiter characteristics.The MPX circuit uses a high-precision IC to achieve a low distortion factor, and an LC-type low-pass filter sharply cuts unwanted residual signals such as carrier leakage.By adopting a unique circuit in which the AFC is automatically turned off when the tuning knob is touched at the time of channel selection, and the AFC is turned on when the knob is released after synchronization with the receiving station. This circuit enables accurate reception from stations with strong to weak radio waves.In addition, the AFC/STATION indicator lights faintly in the area where the station is located, and lights brightly when the AFC is turned on to indicate correct operation.The signal meter is equipped with an AGC, and the pointer is moved linearly from weak electric field to strong electric field.It also has a tuning meter.The AM tuner section is composed of a triple tune system with a tuning circuit consisting of a triple varicon, ceramic filter, and two tuning coils. By improving the selectivity and image interference ratio, AM broadcasting is easily received and sound quality is improved.A dedicated AGC circuit is also provided to enable clear reception even when strong input is applied.It is equipped with a multi-path detection terminal, an FM muting switch, a high-blend filter that blends high frequencies to reduce noise, two fixed and variable output terminals, and an IF output terminal for 4-channel broadcasting. TypeFM/AM TunerFM Tuner SectionReceiving frequency76 MHz to 90 MHzPractical Sensitivity (IHF, 84 MHz)2.0 ? VChinese arrowheads slope55 dB (5 ? V)60 dB (10 ? V)Image interference ratio90dB(84MHz)IF interference ratio95dB(84MHz)Spurious interference ratio95dB(84MHz)AM suppression ratio55dBCapture ratio1.5dBEffective selectivity (IHF)75dBS/Nmono:70dBstereo:66dBTotal harmonic distortion factormono:0.3%(400Hz)0.6% (50 Hz to 10 kHz)stereo:0.5%(400Hz)2.0% (50 Hz to 10 kHz)Stereo separation40dB(400Hz)28 dB (50 Hz to 10 kHz)Frequency characteristic50 Hz to 10 kHz ± 1.0 dB20 Hz ~ 15 kHz + 1.5 -3.0 dBSubcarrier suppression ratio40dBMuting signal level10 ? VIF out level / impedance200mV/1k ?Multipath level / impedanceVert : 10mV/55k ?Horiz : 200mV/4k ?Receiving frequency525 kHz to 1605 kHzPractical sensitivity (IHF, bar antenna)52dB/m, 25 ? VSelectivity (1,000 kHz)30dBSignal-to-noise ratio (80dB/m)45dBImage interference ratio (1,000 kHz)70dBIF disturbance ratio (1,000 kHz)60dBSpurious interference ratio (1,000 kHz)70dBTotal harmonic distortion factor (80dB/m)0.8%Output Level / Impedance (1 kHz)* FM (400 Hz, 100% modulation)* AM (400 Hz, 30% modulation)Fixed FM : 600mV/5k ?AM : 120mV/5k ?Variable FM : 60 mv ~ 2V/1k ?AM : 12 mv ~ 0.4V/1k ?Semiconductor usedTransistor : 31 Nos.FET : 2 Nos.Diode : 20 pcsZener diode : 1 unitLight Emitting Diode : 3IC : 2 Nos.Ceramic Filter (FM) 8 ElementsCeramic Filter (AM) 1 ElementPower outletUnswitched:500WRated power consumption10WExternal dimensionsWidth 436x Height 144x Depth 323 mmWeight7.0kg FM Broadcast in the UK is guaranteed at least until June 2033 Selling due to clearing out our prized Hi-Fi collection so grab yourself a bargain! Due to weight, cash on collection is preferred.Local delivery is also possible. Questions? Text me on 07950929896. Excluded postcodes for delivery are: GY, JE, PA, PH, HS, BT, IV, KW, IM, ZE, Isle of White, Isle of Scilly & Northern Ireland If you require delivery to these locations please contact me before purchase
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