Get your classic Vintage tube Fisher SA-300-B fully Repaired .
This service includes ALL repairs of your Vintage Fisher SA-300-B power amplifier .
REPAIR SERVICE ONLY , NOT THE UNIT ON PICTURE.
By sending your unit to us, you can rest assured that both channels are properly upgraded using matched components . Our service includes a replacement of ALL varied and aged components at no extra cost .
We will perform repair service inside unit , not outside, focusing on bad internal components and parts.
what is included:
- unit testing .
- cleaning internal boards,switches and trim resistors.
- replacing all bad components, tubes.
- replacing all aged (some components have limit of life)critical components (electrolytic capacitors, some specific transistors, diodes.)
- new front panel lamps if needed.
- inside oxidation and corrosion removal .
- soldering joints testing and rebuilding if needed.
- audio grade components only will be used.
- testing after repair --- 24 hours.
- No hidden fees or charges.
- no power.
- smoke coming from inside.
- no sound.
- left channel has no sound.
- right channel has no sound.
- unstable sound.
- low sound on one or two channels.
- some function not working.
- unit goes to protection mode.
- illumination or front light not working.
- missing components ( less than 30%)
After repair you will have a fully working unit back+ our shop receipt with explanation of all replacement done inside.
We do not clean and restore units outside.
We do not repaint metal ,wood or plastic outside.
All upgrades, changing design ,functionality will be offer to you by email if needed and will need your approval.
PARTS AND COMPONENTS WE USE IN REPAIR PROCESS
ELECTROLYTIC CAPACITORS ---- Elna, Panasonic, Nichicon,Rubycon, Samxon,
NON ELECTROLYTIC TUBE SCHEMATICS -- Sangamo, k73-16 , Mullard , K42Y-2, KSO-2G
NON ELECTROLYTIC solid state SCHEMATICS --- Saha, Vishay ,
TRANSISTRORS , IC ---------------------------------- Philips, Pioneer,Sanken,DEC,SMK, Mitsubishi.
Tubes --- original or closest analog.
Each repair case is unique and we will decide what part will be used.
Our goal --- minimum change to unit to keep unit original schematic design.
Critical components for sound will be original or close as possible by parameters.
Shipping in and out will be on you.
We will need some short note from you of all the problems you have on this unit. It helps a lot in repair process.
Just put some yellow sticker on top before shipping to us.
You ship unit to us and we will ship it back .
Do not ship a wooden case if your unit has one.
Our shipping address will be e-mailed to you after auction ends.
If there is a questions about repair process we will contact you.
Time frame for repair -- 5-18 days not including shipping.
Most parts we have in stock but sometime if it needs some unusual,rare,specific parts - time frame could be longer.
Example - specific switches, trim resistors, tube holders, exclusive ,rare push buttons.
In any case we will contact you and inform you how it goes.
Pay up front and send it to us
we need a short note from you - what it is doing or not doing. it helps in troubleshooting.
just put sticker on top of the unit and write all you know about it.
turnaround - hard to tell exactly, depends on many many things ( parts ability , uniqueness of part,level of damage, multiple problems,intermittent problems,holidays,upgrade or save original schematic,testing after repair -- 24 hours no stop))
from real life experience - 5-20 days.
THERE ARE UNITS WE DO NOT TAKE FOR REPAIRS
-- AFTER MAJOR FLOOD OR WATER DAMAGE INSIDE.
-- AFTER MAJOR FIRE.
--- 30% AND MORE MISSING INTERNAL COMPONENTS
--- AFTER IDIOTIC UPGRADES AND REDESIGN.
-- AFTER SEVERE MECHANICAL DAMAGE.
PLEASE NO MODIFICATION AND UPGRADES !!!
STOP DOING ALL MODIFICATIONS AND UPGRADES BASED ON GOOGLE KNOWLEDGE. SOME PEOPLE DOING MODIFICATIONS AND REPAIRS READING JUST TOOOO MUCH INTERNET. MOST PARTS AND COMPONENTS IN HI-FI AUDIO , MILITARY, MEDICAL AND SCIENCE ELECTRONICS JUST UNIQUE AND PARAMETERS OF THEM JUST UNIQUE AND EXTREMELY IMPORTANT. BY CHANGING THEM AND DOING " UPGRADE' YOU KILLING WHOLE CONCEPT. BE CAREFUL IF SOMEONE ON INTERNET DECIDE THOSE PARTS INTERCHANGEABLE . NO THEY ARE NOT .
THESE "UPGRADES" WHAT YOU DOING GUYS ACCEPTABLE IN MICROWAVES , GARAGE OPENERS, TV REMOTE CONTROLS AND ELECTRIC MOTOR CONTROL UNITS AND ALL UNITS BELONGS TO ELECTRICS WORLD BUT NOT ELECTRONICS WORLD. ONLY ORIGINAL PARTS AND COMPONENTS . PLEASE ....
THERE ARE UPGRADES PEOPLE WITH NO REAL LIFE EXPERIENCE AND ELECTRONICS REPAIR KNOWLEDGE CAN DO.
------ CLEANING SERVICE INSIDE AND OUTSIDE.
------- CHANGING ELECTRIC COMPONENTS. THEY ARE NOT LIFE THREATENING ( SWITCHES , LAMPS, FUSES, RELAYS, WIRES, PLASTIC HOLDERS, SCREWS, FRAME COMPONENTS, PLASTIC COMPONENTS, METAL HARDWARE COMPONENTS).
MAJOR RULE --- WITHOUT REAL ELECTRONICS REPAIR KNOWLEDGE AND REAL LIFE EXPERIENCE ---- DO NOT TOUCH ACTIVE ELECTRONIC COMPONENTS .
IF FOR SOME REASON WE CAN NOT FIX IT WE WILL SHIP IT BACK ---- FULL REFUND EXCEPT SHIPPING COST.