If your Phase Linear 400 is defective, we will perform ALL required repairs for NO additional Labor charge i. If parts not covered by this service need replacement, you just pay for the cost of the parts and there is no additional labor charge. This is a Weekend hobby and the work is done meticulously. Here is the list of work performed in this service. All Electrolytic Capacitors in the Main Audio Board(s) are replaced with new audio grade Capacitors.All Power Output Transistors are re-seated to get a good Heat Sink contact. Defective Power transistors are also replaced. Two new high quality IC Sockets are installed and both OPAMP IC's are replaced with (better spec) units. All signal Diodes are replaced with new diodes. Any defective transistors are replaced with new and better quality transistors. All Bulbs can be replaced with White or Blue LED's and all Self threading screws replaced with Machine screws upon request for free! Phase Linear Service Bulletin repairs are performed e.
Replacing MPS5172 and 2N5401 transistors with recommended (more reliable) replacements. Key Power Resistors are replaced if they have varied off specifications.
Each unit is analyzed and tested in detail. The unit is cleaned with a soft brush inside and outside. Altogether over 35 components are replaced in your Phase Linear 400 Series I or II unit using only audio grade components. We have restored dozens of PL400 units over the years.
How many restoration shops have videos of their work? We have not seen any so far, other than ours. We perform these restorations as a hobby and the work is done ethically.Note that this not just a repair service, but a complete internal restoration to make your unit work well for another 30+ years. If you would like the large Power capacitors replaced too, please ask for a quote. All Parts used in our Repairs and Restorations are Audio grade components sourced from reputable suppliers. We no longer restore or repair Phase Linear 4000 preamplifier units due to lack of reliable sellers of the OPAMP IC's used in this unit. We are a couple of Engineers who work on High-End audio equipment as a hobby (Audio Research, Krell, McIntosh, Conrad Johnson, Bryston, Phase Linear, QUAD, NAIM, LINN and NAD). We have won critical acclaim from many audio critics on the extremely high Quality of our work and component selection. Please note that we do not charge hourly labor rates for repairs. This is a labor of love and not a commercial proposition.
If you need work done in a hurry, please ask beforehand. We request your patience and what you will get in return is an ethically restored Phase Linear amplifier that will sound better than new.What's not covered in this service? Mains Power Transformer, Two Main Power Capacitors and Front and Back Panel components meters, knobs, jacks, controls etc. Feel free to ask any questions you may have. We exclusively use Audio Quality components for all our restorations and repairs. Feel free to ask any questions you may have about this service. Average turnaround time is 4 - 6 weeks. We use the world's finest repair tools and bench test equipment.
We now have an option to add a Speaker Protection circuit to your unit if interested. We also have the ability to crate your units in custom-made plywood crates if needed. I have now had a chance to listen to the amplifier. Thank you immensely for the work you did to get this amplifier functioning again.
I know it was probably in worse shape than most. I will not hesitate to recommend your service. Peter T (CA) Phase Linear 400. Great person to deal with! IL PL700 + Speaker Protection unit.Thanks for the restoration, the unit sounds excellent. It reminds me how much I missed my Phase linear Amp. The LED lights look great (have a cathedral lights effect). The Bass is excellent, there is nothing like a Phase Linear in this world.
Thanks again for the excellent work! IL PL 700 + PIONEER SPEC 2. Thanks for the INCREDIBLE craftsmanship!
The unit sounds better than new with earth shattering bass! The item "PHASE LINEAR 400 POWER AMPLIFIER FIXED PRICE REPAIR AND RESTORATION SERVICE" is in sale since Thursday, September 28, 2017.This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "amplifier_surgery" and is located in Downers Grove, Illinois. This item can be shipped to North, South, or Latin America, United Kingdom, Germany, Japan, Australia.