Description
McIntosh C40 Audio Control Center Preamplifier AC100VDescriptionFeatures and Remarks In the mechanical part, all signal switches use a reed relay system with digital logic control. Sealed in a glass tube, these relays have low distortion and are insulated from the atmosphere, providing excellent long-term reliability. The 5 band equalizer provides ±12dB of boost and cut at 30 Hz, 150 Hz, 500 Hz, 1.5 kHz and 10 kHz. The center click position bypasses the entire equalizer circuit, providing accurate flat response. The compander system is available in expansion and compression modes, allowing the dynamic range of the source to be arbitrarily compensated. It also includes an active loudness control that can be adjusted independently of the master volume. Features and Remarks *There are scratches and stains. *As for the overall feeling, there are 2 long scratches on the baking sheet. *This is a good quality product with no bubbles or noticeable scratches on the panel. *Completed in June 2024 ?Relays have been replaced in all systems. ?The operation of other parts has been checked. Type Audio Control Center Preamplifier Section Frequency Response 20 Hz to 20,000 Hz, +0 -0.5dB Rated output 2.5 V(Main, switches 1 and 2, balanced output) Output Impedance 600 ?(Main, switches 1 and 2, balanced output) Maximum output voltage: 8 V(Main, Switches 1 and 2, Balanced Output, 20 Hz to 20,000 Hz) Total Harmonic Distortion 0.002% maximum (20 Hz to 20,000 Hz at nominal output) Input sensitivity Phono: 2.5 mV at 2.5 V rated output (0.5 mV IHF) High: 250 mV at 2.5 V rated output (50 mV IHF) Signal-to-Noise Ratio (A-Network) Phono: 90dB for inputs < 10 mV (84dB IHF) High: 105dB (below rated output) (95dB IHF) Maximum input signal Phono: 90 mV High: 10 V Input Impedance Phono: 47 k?, 65 pF High: 22 k? Voltage Gain (gain) Phono?Tape: 40dB High ?Tape: 0dB Phono?Main:60dB High ?Main: 20dB Equalizer Control Variable, 30 Hz, 150 Hz, 500 Hz, 1500 Hz, 10,000 Hz Up to 12dB boost and/or cut < Monitor Amplifier Section > Output 20 W+20 W (Minimum continuous sinusoidal average power per channel for an 8 ohm load. 12.6 V for 8 ? load at output RMS in summer, rated output band 20 Hz to 20,000 Hz) Total Harmonic Distortion 0.005% max at any power from 250 mW to rated output Frequency Response 20 Hz to 20,000 Hz, +0 -0.5dB Input Sensitivity/Impedance 750 mV/27 k? (at Rated Output) Signal to Noise Ratio (A-Network) 100dB below rated output (87dB IHF) < General > AC power receptacle power interlock: 4 Power not interlocked: 1 Power 100 VAC, 50 Hz/60 Hz Power Consumption 25 W~58 W External Dimensions Width 445x Height 137x Depth 432 mm (Including Terminal) Panel Operation Section Clearance 38 mm Weight 12 kgShippingI use a Japanese post office.&FedexStandard Shipping : 5-20 daysExpedited shipping:3-10 daysWe always send the item with a tracking number. So please place an order without any concern on delivery. You can always track the delivery status.Shipping is available from Monday to Friday. Weekends are not available because freight ?(shipping) companies are closed.International Buyers - Please Note:Import duties, taxes and charges are not included in the product price or shipping costs.Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying.If the cancellation is by the buyer, we will charge a feeThese charges are the buyers responsibility.If there is a remote charge for your address, we will charge you for shipping separately.Thank you for your understanding.Shipping is only available to the address registered in eBay. If you want us to send another address, please change your address on eBay and then place an order.We do not mark merchandise values below value or mark items as “gifts” – Japan, US and International government regulations prohibit such behavior.For used items: We cant guarantee long term operation or discolorationThank you and best regards,
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