Description
Plese Check Photo and Discription.Please feel free to message me if you have any concerns. Manufacturer and model number Mcintosh C28 Accessories Input short plug x2 Condition/Maintenance Maintainer operation checked TONE/BASS L side max. time adjustment part repaired (R/C composite element replaced/used same model good quality) Cleaned each VR/SW contact point (contact cleaner & e-parts cleaner) Replaced panel lighting with LEDs (panel/replaceable LED bulb x12 SELECTOR/ 3mm x2) Top/sub panel paint rust repair (rust removal/repainting/plate polishing) Internal appearance/Knobs/Mounting screws/Input/output plugs, etc., cleaned and polished There are small air bubbles on the front panel around the right PANLOCK and above the H.F and SPEAKER-OFF SW. The maintenance has been performed at our store. All parts are in good working order. ?About the item This is a McIntosh C28 preamplifier. This model was released around 1970 and is an advanced model of the C26. It is one of the most remarkable McIntosh preamplifiers with a thick and deep sound as if it were a vacuum tube preamplifier. The filter sound of McIntosh, which is unique to this era, cannot be reproduced by ordinary amplifiers. The filter sound of McIntosh, which is unique to this era, gives a unique character to the source that cannot be reproduced by ordinary amplifiers. The phono equalizer has excellent characteristics, and it is said that the price has skyrocketed in the U.S., the country of its origin. This unit has been restored and serviced in our store. In addition, by changing from the factory bulbs to LEDs, the extra heat generated (power consumption) is reduced and the LEDs are cooler in summer and more economical. It is cooler in summer and more economical. In the case of ordinary bulbs, it is necessary to replace them periodically, LEDs are maintenance-free, with very few bulbs going out. Model: Stereo preamplifier Frequency response: 20Hz to 20kHz +0 -5dB Distortion: 0.1% or less (20Hz to 20kHz, at rated output) Input Sensitivity/Impedance: Phono1,2=2mV(1kHz)/47k?(65pF), AUX,Tuner,Tape1,2=0.25V/250k?, MIC=2.5mV/500k? Hum and Noise: AUX, Tuner, Tape1, 2=90dB (without hearing correction), Phono1, 2=78dB (at 10mV input) Output Level/Impedance: Main output=2.5V/47k? (at rated input), Tape output=0.25V/47k? (at rated input) Headphone, Line output=0.75V (8?), 2.5V/600?, CenterChannel=1.25V/47k? (at rated input) Low Filter(Rumble Filter): 50Hz(12dB/oct), 20Hz(18dB/oct) High Filter (Scratch Filter): 7000Hz (12dB/oct), 20kHz (18dB/oct) Semiconductors used: 26 transistors, 4 silicon diodes, 2 diode bridges Bass control: +20dB to -20dB(20Hz), 11-step switching Treble control: +18dB to -18dB(20kHz), 11-step selectable Volume control: 0dB to -65dB, continuously variable Input Selecter: AUX, Tuner, Phono1, Phono2, MIC, TapeHead 6 positions Mode Selecter: LeftOnly, RightOnly, Stereo, StereoReverse, MonoL+R, MonoL-R 7 positions Power supply: 120 VAC, 50/60 Hz Power consumption: 45W Dimensions: 381 mm (W) x 127 mm (H) x 330 mm (D) Weight: 11.34 kg SHIPPING?FedEx DHL or Japan Phost?From JapanPackages usually leave our warehouse within 10 days of payment.Weekend orders will ship on Monday or Tuesday.We provide valid Tracking Numbers for all orders. We will ship via FedEx. We can also ship by Japan Post. Please contact me prior to purchase if you wish to ship by Japan Post. PEYMENTS?PayPal?Debit?Cards?Credit?CardsWe ship within 48hours of payment.We Ship Within10 Days of Payment. RETURN INFORMATION?Exchabge possible within 30 days.?If you Have any Problems, Please Contact us in Advance Customoms Duty?Import duties, taxes, and charges are not included in the item price or shipping cost.?These charges are the buyers responsibility.? Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.
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