Hi all. I want to show a "gem" that I built, based on a chassis of Technics SA-5551 and based circuits LM3886 and preamplifiers circuits Rod Elliot. Each day a photo and show the steps of construction. Greetings José
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
Thank you very much for the compliments. no eletronic component is original.Was based on a TECHNICS "VINTAGE" THE YEAR 1975IN VERY GOOD CONDITION OUTSIDE, BUT WITH DEFECTIVE ELECTRONIC (AT THE TIME WAS 130 WATTS P / CH).Were dropped ALL ELECTRONIC COMPONENTS, LEAVING ONLY THE CHASSIS, ALUMINUM FRONT, POTENTIOMETERS (Matsushita / Panasonics), selector switches, BACKLIT DIAL, THE KEY ON-OFF, BACK WITH ALL FITTINGS, DECK SUPERIOR, TO WHICH IS BLACK VINYL BAG THAT POSSESS THE FACTORY AND YOUR replaced by LAMINATED WOOD, LUSTRÁNDOSE.-BE BUILT: THE PHONO PREAMP WITH COMPONENTS OF HIGH QUALITY ROD CIRCUIT BASED ON MODIFIED ELLIOT PCB FOR EACH CHANNEL USING A BURR-BROWN OPA2134 (AT CHANNEL ORIGINAL shared the RL-INTEGRATED) JUMPS THROUGH WITH VARIABLE GAIN Internal (40-56-60dB) which allows the use of capsules COIL AND MAGNET MOBILE;**********************************THE PREAMP LINE IS ALSO BASED ON CIRCUIT IN MODIFIED ELLIOT ROD PCB;***********************************SELECTION OF AUDIO IN A BANK IS BASED ON LOCATION OF 6 RELAYS WITH YOUR BACK TO MINIMIZE THE WIRING CONNECTORS, ELECTRICALLY CONTROLLED WITH ORIGINAL KEY IN THE FRONT;***********************************POWER AMPLIFIER INTEGRATED IS BUILT WITH TWO LM3886TF, USED FOR THEIR BRANDS HI-END ultra high performance (AUDIO ANALOGUE VERDI; JEFF ROWLAND, CAMBRIDGE AUDIO, AP-2410 JATON A operetta, EG.). MOUNTING PLATES SEPARATED, LARGE HEAT SINK AND SOURCE OF PERFORMANCE audiophile WITH COMPONENTS OF HIGH QUALITY (TRAFO OF 280 WATTS, FOUR CAPACITORS audiophile THAN 10,000 MICROFARAD IOS EACH; BRIDGE DIODE HIGH SPEED AND CAPACITY TO HANDLE 35 AMP). ALL CIRCUITS WERE ARMED WITH METAL FILM RESISTORS 1% TOLERANCE; CAPACITORS PANASONIC, PHILIPS, ELNA and WIMA.CAN BE SAID TO BE MOUNTED INTEGRATED AMPLIFIER DUAL, HIGH PERFORMANCE WITHIN A FRAME OF A RECEIVER.AUDIO SIGNAL WALKING TOURS ALL GOING ONLY FOR A POLYESTER CAPACITOR (WIMA, Germany) DC decoupling OF BETWEEN PRE AND POWER.All electronics are assembled in FIBERGLASS PLATES.COMPLEMENT AS A PLATE WILL BE ADDED TO A TUNER TUNER PHILIPS (HOLLAND) with excellent sensitivity and selectivity (AM-FM TUNER PHILIPS 194), THAT HANDLES BOTH FRONT vumeters TUNING AND SIGNAL STRENGTH, ORIGINAL TECHNICS.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
Last edited:
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.