Question about Technics Audio Players & Recorders

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Hello i need help please..... I have a Technics SU-Z550 and SH-8055 Graphic Equalizer My amp has lost power... lots.! its working one channel louder than the other but the one which is louder still has lost a great deal of power.. it has three inputs CD/AUX-TUNER-PHONO. if use the cd/aux channel then what i have just said abouve.. but if i use the Phono channel i get base but very distorded even at low volume and very very low treble. ALso my Graphic. it just doesnt work. it powers up but it doesnt do it function (boost sound) some of the channels of gone down too.. infact only one remains. also. it has a small display that doesnt work. its either constently up or down. but mostly up.. ant help you could offer would be of great use to me.. thankyou for your time..

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If the same channel is dead on the EQ as is dead on the amp there may be a correlation.

Let's break this into its two parts.

1) SU-Z550: You don't say WHAT source(s) you tried to use on the CD/AUX, TUner and PHONO inputs. The external device itself could be the source of the low volume. Try swapping the Left and Right cables to see if it follows the source channel or stays with the amplifier channel.

Check the controls on the amp to make sure you understand each one's effect on the sound.

"PHONO" is literal and exclusively FOR A TURNTABLE - NOTHING ELSE - EVER.

2) SH-8055: Equalizers don't 'boost' sound, they modify its levels at various frequencies. To do that they should be connected into a Tape loop on your amp. OUTs go to IN's. Then you select the Tape Loop on the amp and that inserts the EQ into the signal path of whatever source you're listening to. It's actions are BEFORE any other amplifier controls such as volume, tone and balance. The EQ itself also has a Tape Loop to replace the one it occupies. Make sure it is not enabled unless you have a Tape Deck on it to use. Choose "SOURCE". The blue LED display is to show you frequencies are present in the program material.

Set all of its lighted band controls at midpoint prior to declaring it defective. EQ is like any spice - a little is good, a lot ruins the recipe.

Posted on Mar 21, 2011

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