GE NOS 12BH7 12BH7A Ampltrex AT-1000 Matched Pair for McIntosh MC30 MC240 MC275

LIMITED STOCK. ACT QUICKLY. THESE WILL SELL FAST. GE NOS USA 12BH7A MATCHED PAIR CLASSIC USED BY MCINTOSH AND OTHERS IN THE GOLDEN DAYS OF AUDIO This listing is for (2) brand new, old stock factory fresh GE 12BH7A as a matched pair. Tubes are matched for gm on a Amplitrex AT-1000 tester. We tried these in an MC-225 and a pair of MC-30s, and the amplifiers measured better and sounded better. NO SNAKE OIL TREATMENTS HERE. STAY AWAY FROM THAT STUFF UNLESS YOU WANT YOUT TUBE GEAR TO SOUND LIKE 1970s TRANSISTOR GEAR! This is a well constructed 12BH7A, that tests and sounds excellent. They test consistently with very high gm readings. A perfect differential driver tube. This is a requirement for the driver differential amplifier in the McIntosh and other amplifiers. Purchasing a tube without matched sections in these amplifiers is a waste of money and will cause increased distortion. CTech Electronics stands behind all of its products and services. Check our feedback and bid with confidence. We are a full service company offering parts, tubes, equipment and repair/restoration services. We are not just tube resellers like the majority of our competitors. We are fully qualified to service the equipment they are used in and give tecnical help when needed. Please visit our Ebay Store. On Dec-08-09 at 17:08:47 PST, seller added the following information: Note: International Buyers are responsible for all import duties and taxes for the country this item is shipped to. Please consult your customs dept.officials to determine what you will need to pay. CTech Electronics assumes no responsibility for any of these fees. If you cannot pay the fees do not purchase this product as your item will remain in customs and you will not be able to get it out without personally paying the fees.

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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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McINTOSH MC225 AMPLIFIER LOGO EMBLEM BADGE BLACK+BRUSHED – for DIY

This product (parts) was made to restore the old and unsightly product to its original state. Therefore, this product is not an original product, but D.I.Y. We inform you that it is a product. As you can see in the picture, the quality is very good. It doesn’t change color or corrode after a long time. It is made by mixing various metal materials, including aluminum, zinc and more for very sophisticated manufacturing, like other advanced badges. They were then injected using an elaborate mold. The work is completed in a total of six processes, including “buffing – polishing – black painting – brushing – coating – heat treatment”. Each process removes defective products. However, there may be minor scratches from the last three most difficult steps. We guarantee the best quality. It also comes with a flat-nut for fixing the rear 3 pins. Perfect! The packaging is dust free and very safe, and the delivery is very safe and fast. – Material : Mixed zinc and other metallic materials – Finish : Black painted, brushed, coated and heat treatment Packing : – Reproduction MC225 Black Painted + Brushed + Coated and Heat Treatment Emblem – 1 pc – Fixing flat nuts – 3 pcs – Reproduction McINTOSH CLINIC CERTIFIED Decal Type-A or Type-B (Random) – 1 pc Payment: _ We must receive payment within 3 days after auction ended. _ We accept only PAYPAL. Shipping: _ Packaged and shipped very securely. This product is not sold in Korea and some countries. _ We usually ship within 2-3 business days after we received a clear payment._ Arrival time is 14 to 21 business days (or 22 to 45 business days). There may be differences depending on the situation in your country. There is a tracking number for shipping this product. Safe delivery is guaranteed.

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McINTOSH MC225 225 AMPLIFIER BOTTOM COVER CHASSIS – for DIY

This product (parts) was made to restore the old and unsightly product to its original state. Therefore, this product is not an original product, but D.I.Y. We inform you that it is a product. The packaging is dust free and very safe, and the delivery is very safe and fast. Features of this product: All parts of this product are exactly the same as the original. This product was cut-perforated with a laser and then bent. The finish was heat treated after powder coating. The quality and specifications of the product are exactly the same as the original. As shown in the picture, PERFORMENCE CERTIFIED CLINIC decal are provided with the product. Again, this is exactly the same as the original. This product is not a cheap product. There are many differences from the products that were sold before. The packaging is dust free and very safe. Delivery is also very safe, fast and accurate. Perfect! _ Material : EGI,GI 1.6T _ Finish : Black powder coating and Heat treatment _ Size : 339.00mm(W)x229.10mm(D)x62.20mm(H) / 13.346″(W)x9.019″(D)x2.448″(H) Packing :- Reproduction MC225 bottom chassis – 1 pc- Reproduction MC225 bottom chassis screws (chrome plated) – 6 pcs- Reproduction MC225 bottom chassis foot screws (chrome plated) – 4 pcs – Reproduction CLINIC CERTIFIED decal Type-A or Type-B (random) – 1 pc Payment: _ We must receive payment within 3 days after auction ended. _ We accept only PAYPAL. Shipping: _ Packaged and shipped very securely. This product is not sold in Korea and some countries. _ We usually ship within 2-3 business days after we received a clear payment. _ Arrival time is EMS 5 to 10 business days (or 11 to 21 business days). There may be differences depending on the situation in your country. There is a tracking number for shipping this product. Safe delivery is guaranteed.

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McIntosh MC225 Amplifier Schematic & Parts List Manual *Original* *VG*

Very good condition! Please review photos as they serve as part of the description. This is an original vintage manual for the McIntosh MC225 amplifier. It includes both a schematic diagram and a parts list. The manual is in very good condition and was manufactured in the United States. It is a valuable resource for anyone who is interested in vintage audio equipment or who is looking to repair or restore a McIntosh MC225 amplifier.

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