This is a reprint of an Audio Review from 1984! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

One of Conrad Johnsons finest solid state amplifiers. Cosmetically, this unit rates as good to these eyes. There are a few blemishes on the unit but nothing too crazy as depicted in the photos. About a year ago, the main filter capacitors were replaced with Kemet 62000uf 100v units. The originals were Sprague 59000uf 75v. The bypass electrolytic capacitors were also replaced with 470uf 100v types. Quantity 2 of each. The original box is included. The manual should be here but if not, is readily available on the Conrad Johnson website in digital form. Experience the Conrad Johnson Audiophile sound for a fraction of the cost of new.

This vintage silver Conrad Johnson Sa250 High Energy power amplifier is a rare find for any audiophile. With its analog features and AB amplifier class, it delivers exceptional sound quality. The amplifier has two channels and is designed to work with home audio receivers and preamps. The Sa250 is a perfect fit for any vintage stereo collection and would make a great addition to any home audio system.

Conrad Johnson MF- 2200 Amplifier and PF-2 Preamp in Excellent Pysical and Working Condition

Untested. Sold as is. Powers on. It could be in working condition but I listed as parts only to be transparent. Please bid accordingly as it’s SOLD AS IS. Ships next day

This is a reprint of an Audio Review from 1984! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

Parts Parts Parts Up for grabs is a perfectly functioning MF-200 amplifier. The bias has been adjusted to 380 ma both channels. The DC offset has been dialed in to less than 3mv both channels. This amplifier sounds glorious yet has some rack rash/shipping damage. The front right lower faceplate is the most distinctive. Please see the photos for reference. Due to the nature of parts pirates on eBay, this unit is sold as parts only. Buyers with less than 100% feedback please take your hassles elsewhere.

This world class preamp was just upgraded from a series 1 to above series 2 specs by Avatar Engineering on 6/20/23 using Superior Mundorf Polyropelene Film capacitors with a Teflon by-pass capacitor. (See Photos). The preamp had approx. 200 hrs. use before the upgrade and an additional 150 hrs. after for correct burn-in of the caps!The ET7-S2 enhance triode line-stage preamplifier has been designed to incorporate the advances made with the Series 2 upgrade to our flagship GAT into a more affordable model. The circuitry of the ET7-S2 follows closely that of the GAT Series 2. The audio circuit is elegant in its simplicity. An audio amplifier stage consisting of a single-ended triode amplifier provides the voltage gain. This amplifier stage is connected to the preamplifier outputs through a high-current MOSFET buffer, which achieves a very low output impedance, making the ET7-S2 extremely flexible in the choice of interconnect cables and amplifiers. DC voltage is supplied to the circuit by the revised discrete voltage regulator developed for the GAT Series 2. It isolates the audio circuit from the power line by maintaining negligible impedance across the audio frequency band. Infra-sonic noise is minimized by operating the tube filaments (heaters) on a dc voltage supplied by a separate regulated power supply. The ET7-S2 also boasts the GAT’s convenience and ease of use. The unit features input selection and level adjustment by microprocessor-controlled relays, with controls available both at the front panel and via a full-function remote. All control functions of the ET7-S2 operate through microprocessor-controlled relays. For the level control, the relays select combinations from a network of precision, low-noise metal foil resistors to effect loudness and balance changes in 100 steps of approximately .7dB per step. All switching and adjustment can be controlled by the unit’s remote control. A Theater Mode, which passes the input signal through at unity gain, makes it simple to incorporate the ET7-S2 into a high quality home theater system without compromising its two-channel performance. Like its bigger brother, the GAT Series 2, the ET7-S2 is constructed from the highest quality, carefully selected parts for unrivaled sonic performance and reliability. Tubes have been selected for minimum noise and microphonics. CJD Teflon capacitors are used in the ET7-S2 for output coupling and post-regulator power supply storage. In the power supplies, all capacitors are of polypropylene or Teflon—there are no electrolytic capacitors anywhere in the audio circuits or their DC power supplies. The resistors in these circuits (including the two dozen level control resistors) are special low inductance, high-precision laser-trimmed metal foil resistors. Switches are sealed relays with gold-plated silver contacts. Input and output connectors are machined from oxygen-free copper, and are gold plated. For four decades, the conrad-johnson design team has been dedicated to creating audio components that do credit to music performances. Through meticulous engineering, careful specification of only the finest available component parts, and a painstaking attention to construction, we have created what we feel is a line-stage without rival in its class. We invite you to arrange an audition of the ET7-S2 with your conrad-johnson dealer to experience the extraordinary musical performance of this remarkable preamplifier. We invite you to arrange an audition of this World Class Gem in my home. DISCOUNTS FOR LOCAL PICKUP AND CASH TRANSACTIONS! 30 Warranty at asking price. Buyer to assume shipping and Paypal fees. Cheers

This vintage silver Conrad Johnson Sa250 High Energy power amplifier is a rare find for any audiophile. With its analog features and AB amplifier class, it delivers exceptional sound quality. The amplifier has two channels and is designed to work with home audio receivers and preamps. The Sa250 is a perfect fit for any vintage stereo collection and would make a great addition to any home audio system.

PF-2 with full phono section. Very good condition just pulled it out of my system. Fully tested & sounds great. Includes the origional factory box and packing

This is a reprint of an Audio Review from 1988! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

Amazing amplifier audiophile quality One owner Great working condition Used condition and may show some marks of used like scratches Pictures are part of the description so please see them carefully and make your own conclusion about the item’s Thanks for looking selling as the pictures shown. WHAT YOU SEE IS WHAT YOU GET ABOUT SHIPPING Shipping Within US 48 Continental States Only (No shipping to Puerto Rico ,Alaska or Hawaii ) by Fedex Or USPS Ground according your location with free tracking number and It will be shipped thru the address provided by eBay so please make sure it's right during checkout! Feel free to any questions. ABOUT RETURN Please contact seller if you have any inconvenience with your item, before open an eBay case or leave a negative feedback (There are many ways to solve any issue) Is very important for Us make costumers happy. Buy with confidence. ?????TOP SELLER ????? Thanks for your purchased • See other items in our eBay page!!

This is a reprint of an Audio Review from 1984! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

Follow us| Sign up for our newsletter Conrad Johnson Premier 17LS2 - Audiophile Tube Line Stage Preamplifier w Remote For over 20 years High End Audio Auctions has been selling the finest HiFi online, but did you know that we BUY your HiFi equipment as well? Contact our sister company STEREOBUYERS for a fair quote today! All items included are pictured. Items are tested fully to ensure all functions work as expected - any defects and additional service done to the item are noted below. Items are not restored or reconditioned, unless specified. All items we sell come with a 30-day warranty - your satisfaction is guaranteed. Original shipping on returns will be refunded at the sellers discretion. Local Pickup in NYC Available Conrad Johnson 17LS2 Details & Testing Notes Cosmetic Condition:9/10: Excellent - Light use, no visible imperfections.Functional Notes:Functions as intended and sounds excellent.Voltage:120V 60HzSerial #:2761543Original Box:NoManual:NoRemote:YesPower Cord:YesShipping Method:FedEx Ground (Domestic) / FedEx Economy, USPS Priority, Ebay Standard Delivery (International)Shipping Weight:31lbs., 22x18x10 High-End Audio Auctions has been THE trusted source for high-end, classic and vintage audio components on eBay since 2000! Our unique products, unparalleled service and bombproof packaging keeps our customers coming back again and again. We are experts at selling and shipping worldwide, with items ranging from $5 to $50,000. We look forward to earning your repeat business! By placing a bid on any of our listings, you agree to our terms & conditions Click here to learn more Home| About Us| Store Policies| FAQs| Feedback| Contact Us| Custom Tuned Cables _gsrx_vers_1634 (GS 9.6 (1634))

This is a reprint of an Audio Review from 1988! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

Conrad Johnson MF200powers on, no sound -did not go furtherOver all very nice cosmetics as pictured

Conrad Johnson MF- 2200 Amplifier and PF-2 Preamp in Excellent Pysical and Working Condition

This is a reprint of an Audio Review from 1988! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

This is a reprint of an Audio Review from 1988! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.

I am selling my good working condition Conrad Johnson MF2200 amplifier. It is currently hooked up to a pair of JM Lab Utopias and sounds great and is capable of driving these large floor standing speakers with ease and without issue. I have the original owners manual and I am only the second owner.

This is a great sounding all FET (Field Effect Transistor) preamp featuring switching for six-line level inputs including tape monitor. Circuit highlights include a low output impedance which acts as a buffer between the level controls and the amplifier interconnect cables, avoiding the high frequency filter effect inherent in a passive control. This preamp has a unique zero-response circuit which exploits the symmetrical performance of N and P channel field effect transistors to cancel distortion without resorting to negative response. A low impedance discrete DC regulator powers this circuit, for minimum ac impedance at all audio frequencies. FET's are used in Sonographe audio circuits because of their tube-like square law transfer functions, which exclude unmusical odd order distortions that typify bipolar transistor circuits. Unit is in excellent condition. Owners Manual is included. * SMALL SURFACE SCRATCH. Below are some specs. Gain: 21dB Output: 10 V RMS Phase: Phase inverting. Response: 5 Hz to 100KHz Signal to Noise Ratio (20Hz-20KHz): 94 dB Distortion: less than .1% THD Output impedance: less than 200 ohms Dimensions: 12.25D x 17.125W x 2.5H inches Weight: 10 lbs

This is a reprint of an Audio Review from 1988! This review will have SPECS, COMMENTARY, DETAILS, and INFORMATION about the unit listed. . You wont be dissapointed! A piece of Audio History! I have THOUSANDS more Ads and Reviews on my Ebay Store. Email with ANY questions, THANKS! -Search for any brand you like on the left side in my Store Search bar. I have almost every popular Audio brand! -Each Page is 8.5 by 11 -Shipping is $3 in the USA and $6 ANYWHERE else, I ship WORLDWIDE! Each additional item is only $1 more to ship! -As always, your satisfaction is GUARANTEED at Electronics Archives! If you are unhappy with any purchase, email and I will get you a resolution or a refund! -Email me with any questions, I put 10-20 new Ads and Brochures on my site EVERY DAY! THANK YOU! Powered by eBay Turbo ListerThe free listing tool. List your items fast and easy and manage your active items.