Conrad JohnsonPremier TwelveusedConrad-Johnson Premier Twelve Tube Monoblock Amplifiers, with C1 Teflon Upgrade and KT120's**Please click here to check out our newly launched SkyFi Audio website with additional items for sale** These gorgeous C-J monoblocks were upgraded to work with KT120 type tubes, which come pre-in...5999.00

Conrad-Johnson Premier Twelve Tube Monoblock Amplifiers, with C1 Teflon Upgrade and KT120's

Listing ID: lis9g3jh Classified 
 Listed  · 319 Views

12 Watchers

Items from this seller

Time Left: None

This listing has ended.

Condition
9/10
Payment methods

Contact seller after sale to pay viaCertified check, Personal check, Wire Transfer or Express Checkout

Ships fromGlen Rock, NJ, 07452
Ships toUnited States
Package dimensions?" × ?" × ?" (150.0 lbs.)
Shipping carrierUPS
Shipping cost$125.00
Original accessoriesBox, Manual
AverageResearch Pricing

**Please click here to check out our newly launched SkyFi Audio website with additional items for sale**

These gorgeous C-J monoblocks were upgraded to work with KT120 type tubes, which come pre-installed on both pieces in this listing. 

They were also both officially upgraded to the C1 Teflon Upgrade at the factory, to the tune of $3k for the set.  Read the reviews, these amps are spectacular.

We've been running them in our listening room powering a set of vintage Quad ESL-57's, and they sound magical.  Yes it's a bit more power than they need, but the authority and delivery is much improved over the usual lower power Quad amps we typically use.

Both pieces were working perfectly in our lab where they were tested to their full rated output without any drama or noise.

They're almost perfect cosmetically, except for a slight discoloration on one of the tops, probably caused by a cleaning solution.

The tube cages are included, but they don't fit since the KT120's are a bit taller.  If it's important to you for the tube cages to fit, we could modify them to fit prior to shipping.  We personally think these deserve to be seen in all their glory without the cages if possible.

Also includes the original boxes and manuals as shown in the pictures.

From a Stereophile review by Michael Fremer:

"If designing and "voicing" an amp is a high-wire act, the Premier Twelve crossed the Grand Canyon barely breaking a sweat. The overall sound, driving either the Audio Physic Virgos or the Sonus Faber Concerto Grand Pianos, was finely detailed yet rich, open, and transparent, with a lush, mesmerizing midband; deep, well-developed, yet punchy bass; and high frequencies that were fast and sparkly but never bright or aggressive.

The difficult transitions between the frequency extremes and the midrange were carefully accomplished, though the upper midrange exhibited a rich, golden bloom—a sonic bouquet—too subtle to be called a coloration but sufficiently pronounced to enrich brass, strings, female voices, alto sax, and hall ambience with an intoxicating glow."

Specifications:
Power:  140 watts RMS into 4 ohms from 30Hz to 15KHz at no more than 1% total harmonic distortion or intermodulation distortion
Sensitivity:  950 mv to full power
Small Signal Distortion:  Less than .1% at midband 
Phase:  Phase correct (non-inverting)
Frequency response:  20Hz to 20KHz +0, -.5dB 
Hum and noise:  98dB below full power output
Input impedance:  100K ohms
Dimensions:  15D x 17.5W x 7.25H inches
Weight:  48 lbs.

Click here for a copy of the Owner's Manual

Thanks for looking and please click here if you would like to receive a list of the equipment we receive from time to time.  We promise not to bombard you with junk email.

----------

PURCHASING FROM SKYFI

This item will be professionally packaged and insured for safe transit to your home. 

Please click here for detailed specifics regarding our specialized packing process that separates us from the rest.

If we don’t have the original manufacture's packaging, we use heavy duty double ply corrugated boxes with Instapak expanding foam custom inserts.  In many cases this has proven to be better than the original packaging.  We also use high quality fiber reinforced tape to seal our packages.  Lightweight items will be bubble wrapped and shipped in a high-quality box. 

This item is available for pickup in Ridgewood, NJ or Union Square, NYC (with convenient parking in the building).

NJ Residents or anyone picking up without a resale certificate will need to pay NJ Sales Tax.

Use the Buy It Now button and we will cover the PayPal fees.

Thanks for looking and be sure to call or text 646.852.2073 with any questions. 

Please also click here to visit our Audiogon store to see the rest of the items we have for sale.

----------

WHO WE ARE 

SkyFi Audio is a small startup business specializing in the purchase, reconditioning, and reselling of select high-end audio equipment.  We only buy equipment the we admire and are passionate about. No mid-fi, no gimmicks, no junk. 

Each piece of equipment is cosmetically restored and fully tested in our well-equipped lab by an engineer with 30+ years of experience in the HiFi world. If it does not meet or exceed the original manufactures specifications, it will not be sold.  We are very selective about the equipment we purchase, focusing on mostly analog, high-build quality, American, and European built units.

Through our sister company, which is an authorized dealer for McIntosh, Audio Research, Sonus Faber, ClearAudio, Pro-Ject Audio Systems, and Sony ES, we have access to OEM parts, service, and support.  If you are local and looking for new equipment from the above-mentioned manufacturers, please drop us a line as we can arrange both sales and professional installation in the tri-state area.

PURCHASING GUIDELINES

We do not accept or review any offers that do not go through the official Audiogon system. We have too many items for sale and it’s nearly impossible to keep track of offers outside of the official system. Please don’t message, email, or text any offers. 

If you do not see a “Make an Offer” button, it means we are not considering any offers on that item.   

PAYMENTS

We prefer working through PayPal which allows you to use a credit card or bank transfer. We do not charge extra for any payment fees if you purchase the item at the asking price.  You can also send us a personal check (which will need to clear before shipping), certified check, money order, or wire transfer. International clients without access to PayPal should use a bank wire transfer. 

If you are picking up an item we do not accept PayPal.  You must pay in person with cash, certified or bank check, or wire transfer.  If you make a PayPal payment and are picking up the item, it will be returned. 

TRADE IN POLICY 

We accept trade-ins of equal or lesser value under certain conditions.  Simply ask and let us know the exact model, condition, and the accessories that are included (such as the original box, remote, cables, manual, etc.).  We will only consider high-end equipment from mainstream manufacturers such as McIntosh, Mark Levinson, Audio Research, Krell, etc. and will typically pass on displays, projectors, receivers, dated surround processors, and mid-fi equipment of any type.  We will offer a fair value for your equipment, but keep in mind we are running a business and will need to be able to resell the equipment at a profit after investing a great deal of time and resources in testing, certifying, repairing, cleaning, and packaging the incoming equipment.  If you are looking for top dollar we suggest attempting to sell it directly to an end user on your own.

SELL US YOUR GEAR (Working or Broken)

We will also purchase your used or broken gear and arrange pickup if you are in our local market. Just drop us a note for a quote but be sure to include the condition and what is included. 

HOW TO VISIT US                                                                                                        

We are currently operating from a residence in Ridgewood, NJ.  You are welcome to make an appointment if there is a piece of equipment you would like to see in operation before or after purchase.  We have a well-equipped, dedicated listening room with tons of equipment of all makes and models.  We are not a store, so please don’t make an appointment if you are just curious as to how a speaker or piece of equipment sounds.  In essence, no tire kickers please.

If you are in NYC and cannot make it out to Ridgewood, we can arrange pickup in Union Square (14th Street) after the purchase.   You can call or text 646.852.2073 with any questions or to schedule an appointment.  We can also arrange to install, calibrate, and tune the gear in your listening room if you are local to the area.  This is super useful when purchasing large speakers or heavy amplifiers.  It is also great for ensuring your new turntable is setup correctly in its final resting place.  

V2.0

Questions for the seller
Would you take CJ LP 70s with KT 120s as trade.
Yes of course. Please make an offer.

Ask the seller a public question

You must log in to ask a question.

Return Policy

Return Window

Returns are not accepted on this item.