Here’s a McIntosh MR-78 stereo tuner, arguably one of the finest stereo tuners ever manufactured. That’s about it. Everything appears to be functioning properly. I don’t know when the tuner was last serviced, but everything appears to be in good order, at least to the “naked ear” and the “naked eye.”.
Item Tag: McIntosh
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mcintosh tube amplifier LED 7 Colors To Switch From
Acrylic Led Meters sign with base . Base has 7 different colors to toggle between and its dimmable and plugs in to any usb .. Sign is custom made in USA . Just a very cool sign that looks even better in person than the picture show . We have repeat buyers due to our quality and fast shipping. We can also customize most signs and bases for a small fee Dabysgifts is your audiophile go to place
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*USA* ULTIMATE MCINTOSH MC225 OWNER’S / MAINTENANCE MANUAL
ULTIMATE MCINTOSH MC225 OWNER’S MANUAL This includes MC225 Maintenance Manual This is an extremely high quality full COLOR remastered of the famous McIntosh 25 watt tube amplifier. This is NOT a scan or copy, All of the text are actual fonts which print as NEW document. You be very satisfied with this manual and there is not a scan or copy that can come close to it. This manual is spiral bond with a thick black plastic backing and a clear cover for protection. The Schematic is big 11×17 inch, easy to read. One price for both manuals in one book. LAST PICTURE SHOWS OTHER McINTOSH MANUALS I HAVE LISTED ON EBAY.”A CLASSIC, VINTAGE AMERICAN PRODUCT REBORN IN THE USA”
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MCINTOSH MC 225 STEREO TUBE AMPLIFIER
This auction is for one of my Mcintosh 225 has been electronic refurbished with replacement parts. The power supply capacitors and regulator diode replaced. Signal capacitors replaced; bias circuit replaced with new standard. Input potentiometer replaced. All the resistors were checked for value and out of spec was replaced with carbon resistor to retain the proper warm sounds. Keep in mind that replacing only the power supply can capacitors is not enough, those old diodes need to be replaced. Bumble bee capacitors in the signal path leaks and cause the sound to be muddy and need to replace also. After all the parts are replaced, you will have a clean clear sounding amp. Surf on the web to see what an original stock amp looks like inside and you can see what was done to this one. Tubes are made by Electro-Harmonix 7591 output tubes and small signal tubes and are new. The 12BH7 are US made. The chassis has been replaced with new manufacture unit. Unit sounds great and meet Mcintosh specs. I am a retired electronic engineer. I do restore myself. The MC225 was said to be the best sounding McIntosh tube amplifier ever made. While not as powerful as other Mc offering, there is enough punch to deliver warm McIntosh sound. The reason I am selling this is I need room for other collection. I still have one in my collection to enjoy. Power is 25 watts per channel into 4/8/16 ohms load in stereo. 50 watts mono if bridged. Frequency response is 18hz to 30khz. Total harmonic distortion is 0.5%. All sale is final, I ship to 48 US states only. Local pickup welcome. Tubes will be ship in a different box. Payment due within 2 days of close.
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CAPACITOR CAN 80/40/30/20 µF @ 525VDC McIntosh MC-225 MC-240 MC-30 MC-40 MC-60
If you have purchased a vintage amplifier and have not changed the power supply capacitors, you have a time bomb on your hands. Don’t fool around with NOS capacitors unless you are looking for trouble. Made in the USA, to Mallory’s original specs, on Mallorys original machinery. 80 µF, 40 µf, 30 µF and 20 µF section, all rated at 525 VDC. 1-3/8″ diameter x 3″ tall Made in the USA by CE Manufacturing You can replace the the (2) 100/30 uf cans in the MC240 with these (connect the 80/40/20 uf sections together to get increased capacitance of 140 uf, use the 30 uf as is) and use our German isolated cans for the voltage doubler. The increase in bass performance is astonishing. See the listing for those in my Ebay Store. These cans can be used anywhere the original cans of similar size are used. Call or email us for information. We will give you instructions on how to use these and all of our capacitors and products. Purchase more than (1) piece, or purchase other compnents and services from us and we combine shipping to save you money. We also have Twist Lock can direct fit capacitors for a variety of other equipment such as the McIntosh C22, MX-110, Scott 299, Dynaco MKIII, and ST70 as well as for Guitar amplifiers. We also have the other Capacitor cans for the listed units available. We offer complete power supply restoration kits for most amplifiers, preamps and tuners. An installation service for what we sell is available as well. Check our Ebay Store for othe capacitor cans. Tell us where you will be using these capacitors, and we will give you instructions on where and how to install them. Or, we can install them for you at a nominal charge + shipping. Your can email us a or call us to discuss your application and our installtion services. Our contact information is in our EBay store. Our company CTech Electronics stands behind all of its products and services. Bid with confidence. We are a full service company offering parts,tubes, equipment and repair services. Please visit our Ebay Store
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Deluxe Power Supply Restoration Kit McIntosh MC-225 MC225 Tube Amplifier
Free technical support included. If you have purchased a vintage amplifier and have not changed the power supply capacitors, you have a time bomb on your hands. Don’t fool around with NOS capacitors unless you are looking for trouble. Please read the Disclaimer below before purchasing. Although targeted for the MC 225 this kit can also be used on other amplifiers as well. Our Power Supply Refurbishing Kit includes the following: (A) (1) USA Made CE Dist (MALLORY) 80/40/30/20 @525 V Twist Lock Can. You can use the 80,30 uf sections to get 110uf to replace the 80uf (30 uf increase in capacitance), use the 40 uf to replace the 35 uf, and the 20uf to replace the 15uf. The bass response is incredible. OR (depending on stock) 1) German Made Authenticap 80/40/30/20 @550 V Twist Lock Can. You can use the 80,30 uf sections to get 110uf to replace the 80uf (30 uf increase in capacitance), use the 40 uf to replace the 35 uf, and the 20uf to replace the 15uf. The bass response is incredible. (B) (2) 250uf @ 250V CTech USA made 105C OR (Depending on stock) (2) German Made Authenticap 250uf (or 330 uf )@ 250V Brand New Isolated Twist Lock Cans for the voltage doubler. These replace the 150uf capacitors for another terrific increase in bass performance. These are also direct fit, no chassis modifications or clamps required. (C) (1) 22uf /250V 85C operating temperature Electrolytic for replacing the Bias Filter Cpacitor. (D) (3) 1N4007 Silicon Diodes. (1) for replacing the Bias Selinium rectifier, (2) for replacing the Recifier diiodes in the voltage doubler. (E) (2) .01uf 630V Polypropylene capacitors to replace the snubber caps in the Voltagw doubler. (F) 3A 45 Ohm NTC Thermistor to replace the stock one. (G) (1) 10K Trim Potentiometer (POT). The POT is simply used to determine the correct resistor value for your bias circuit, of which you then obtain and install. Its explained in the insatalliton tips. (H) Guide to installation – offer tips for easier installation- assumes you have the tools and technical knowledge and experience to do the work. Schematic /Service Manual included. The increase in performance of the MC 225 with this kit installed is very significant, especially in bass palpability punch and imaging. Most of these these items are sold separately in our Ebay Store as well. Disclaimer: Please note that this kit is not to be used by inexperienced users. There are high, potentially lethal voltages inside the MC 225 and other tube amplifiers. If you don’t know what you are doing, don’t buy this kit OR contact us to schedule an installation for you. We provide installation services for all the parts we sell. We do not take responsibility for personal injury, destroyed or broken amplifiers as a result of improper installation or lack of knowledge or tools. The guide we provide assumes you already have a knowledge of proper component installation techniques and the proper tools. This is not a trival task. The guide is by no means a detailed step by step installation guide. Purchase more than (1) kit, or purchase other compnents and services from us and we combine shipping to save you money. We also have Twist Lock can direct fit capacitors for a variety of other equipment such as the McIntosh C22, MC 40 MC75 MX-110, Scott 299, Dynaco MKIII, and ST70 as well as for Guitar amplifiers. We also have the other Capacitor cans for the listed units available. We offer complete power supply restoration kits for most amplifiers, preamps and tuners. An installation service for what we sell is available as well. We have more of these in our Ebay Store. Tell us where you will be using these capacitors, and we will give you instructions on where and how to install them. Or, we can install them for you at a nominal charge + shipping. Ask us about your application. Our company CTech Electronics stands behind all of its products and services. Bid with confidence. Unlike our competitors, we are a full service company offering bot parts and repair/diagnostic services. We have the technical qualifications to solve your problems should any arise. Please shop our Ebay Store.
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Deluxe Restoration Kit McIntosh MC-225 MC225 Tube Amplifier
Includes all power supply components plus all Audio capacitors including cathode bypass capacitors Free technical support included.If you have purchased a vintage amplifier and have not changed the power supply capacitors, you have a time bomb on your hands. Don’t fool around with NOS capacitors unless you are looking for trouble. Please read the Disclaimer below before purchasing. Although targeted for the MC 225 this kit can also be used on other amplifiers as well. Our Power Supply Refurbishing Kit includes the following: (A) (1) German Made Authenticap 80/40/30/20 @550 V Twist Lock Can. You can use the 80,30 uf sections to get 110uf to replace the 80uf (30 uf increase in capacitance), use the 40 uf to replace the 35 uf, and the 20uf to replace the 15uf. The bass response is incredible. OR (Depending on Stock) (1) USA Made CE Dist (MALLORY) 80/40/30/20 @525 V Twist Lock Can. You can use the 80,30 uf sections to get 110uf to replace the 80uf (30 uf increase in capacitance), use the 40 uf to replace the 35 uf, and the 20uf to replace the 15uf. The bass response is incredible. (B) 2) CTech USA Made 250uf 250v Isolated cans 105C Or (Depending on stock) (2) German Made Authenticap 250uf/250V (or 330uf/250V) Brand New Isolated Twist Lock Cans for the voltage doubler. 85C For the voltage doubler. These replace the 150uf capacitors for another terrific increase in bass performance. These are also direct fit, no chassis modifications or clamps required. (C) (1) 22uf /250V 85C operating temperature Electrolytic for replacing the Bias Filter Cpacitor. (D) (3) 1N4007 Silicon Diodes. (1) for replacing the Bias Selinium rectifier, (2) for replacing the Recifier diiodes in the voltage doubler. (E) (2) .01uf 630V Polypropylene capacitors to replace the snubber caps in the Voltagw doubler. (F) 3A 45 Ohm NTC Thermistor to replace the stock one. (G) (1) 10K Trim Potentiometer (POT). The POT is simply used to determine the correct resistor value for your bias circuit, of which you then obtain and install. Its explained in the insatalliton tips. (H) 1) All Audio coupling capacitor replacements with polypropylene CDE, IC, or Mallory 150M and high quality high temperature electronic audio cathode bypass capacitors (I) Guide to installation – offer tips for easier installation- assumes you have the tools and technical knowledge and experience to do the work. Schematic /Service Manual included. The increase in performance of the MC 225 with this kit installed is very significant, especially in bass palpability punch and imaging. Most of these these items are sold separately in our Ebay Store as well. Disclaimer: Please note that this kit is not to be used by inexperienced users. There are high, potentially lethal voltages inside the MC 225 and other tube amplifiers. If you don’t know what you are doing, don’t buy this kit OR contact us to schedule an installation for you. We provide installation services for all the parts we sell. We do not take responsibility for personal injury, destroyed or broken amplifiers as a result of improper installation or lack of knowledge or tools. The guide we provide assumes you already have a knowledge of proper component installation techniques and the proper tools. This is not a trival task. The guide is by no means a detailed step by step installation guide. Purchase more than (1) kit, or purchase other compnents and services from us and we combine shipping to save you money. We also have Twist Lock can direct fit capacitors for a variety of other equipment such as the McIntosh C22, MC 40 MC75 MX-110, Scott 299, Dynaco MKIII, and ST70 as well as for Guitar amplifiers. We also have the other Capacitor cans for the listed units available. We offer complete power supply restoration kits for most amplifiers, preamps and tuners. An installation service for what we sell is available as well. We have more of these in our Ebay Store. Tell us where you will be using these capacitors, and we will give you instructions on where and how to install them. Or, we can install them for you at a nominal charge + shipping. Ask us about your application. Our company CTech Electronics stands behind all of its products and services. Bid with confidence. Unlike our competitors, we are a full service company offering bot parts and repair/diagnostic services. We have the technical qualifications to solve your problems should any arise. Please shop our Ebay Store.
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MC INTOSH MC 225 vintage stereo integrated tube power amplifier
MC INTOSH MC 225 vintage stereo integrated tube power amplifier. 1 chasis two channel 25 watts power amplifiers Frequency 18 Hz to 30 KHz Harmonic distortion 0.5% Input sensitivity 0.5 V Signal to noise ratio 90dB Dimmensions 14-1/2 x 9-1/8 x 7 inches Weight 34 lbs Finish chrome and black