Question about Rotel RMB-1095 Power Amplifier

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My Rotel amplifier RA920AX has two mal-functioning switches - 1. MONITOR (Tape or source) 2. FUNCTION (phono, CD, , tuner, aux). The left channel crackles when you turn switches, so suspect wear on contacts inside switches. Do you know where I can buy replacement switches, please?

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Rotel 950 stuck on tuner function


Replace the unit or have it repaired, you have no other options.

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Turntable with built-in preamp won't play on phono channel on technics sadx950, but fine on CD channel. Is phono channel dead?


A turntable with a built-in preamp should not be connected to the phono input, because the preamp of the receiver or ampifier will be overdriven. The task of a preamp is to amplify the very low level of magnetic cartriges to the high level needed to work a line input and does some equalizing work to the signal. You can check if your turntable has a switch to disable the built in preamp (mostly they are low-end quality), otherwise connect the turntable to a high level input like "Tape", "AUX", "TUNER", "MONITOR", or "CD".

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1 Answer

How must I connect the amplifyer V500 with my computer for recording from a tape player?


I assume you want to record from tape to computer and monitor the recordings later.
Simple three steps.
1) Connect the tape deck line out ( or labeled PLAY ) to any one of the inputs like Aux / Tuner using an 2RCA connector.
2) Connect Rec out from the SUV' to line input of your PC ( blue socket ) sound card.
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1 Answer

How to hookup sansui SE-8 eqalizer to sansui AU719integrated amplifer.do i use the tape side or there are 2 phono inputs? I would like to know if it will control tuner aux. which is my cd player as well


PHONO is ONLY for TURNTABLES. That's why they don't call it AUX.

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Mar 24, 2011 | Audio Players & Recorders

1 Answer

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...


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.

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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.

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1 Answer

Is there a ground peg on the back of the pyramid pr2500 preamp?


According to this listing I found on eBay it will work for you.

PYRAMID Stereo Control Pre-Amplifiers
PR2500

* Power On/Off Switch w/LED Indicator * Microphone Input Jack * Microphone Level Control * Bass/Midrange/Treble/Loudness/Balance Control * Master Volume Control * High/Low Frequency Filter * Stereo/Mono Switch * Muting Switch * Input Source Selector * Tuner/CD/Aux/Phono Input RCA Jacks * Tape Monitor Switch * 110/220 Voltage Switchable * Rack Mount Design * Dimensions: 19''W x 2.375''H x 8.5''DAs far as grounding the TT, if you must, just use any screw on the preamp chassis.

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2 Answers

Marantz pm 7200 integ.amplifier


Dear Sushant,    I do not think your use of an equalizer has caused any problems.  I will explain the proper use of the source/direct button.  This button's function is to monitor the output of a recorder connected to the record outputs of your amp.  When this button is pressed on the sound going to the speakers comes direct from the "source" (cd, radio tuner, phonograph etc.) when in the off position you can monitor the recording of whatever source is being recorded via the tape deck.  This switch must be off to record through the amps record outputs.    To test this, put a blank tape in the tape deck, choose the source as phono and place the dec in record/pause.  With the source direct button pressed on you should hear a change in volume when moving the amp's volume knob only.  When source direct is off you will be able to hear the output of the tape deck, so adjusting the tape deck's record level will also affect the volume coming out of the speakers.  more record level in/ more level out.!    Below is copied from page 9 of your user operation manual for Marantz's explanation of the source/direct button.  image.tiff
best of wishes, Michael Mittelsdorf

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1 Answer

No sound from my record turntable into my computer.


If you're certain there is no sound going out of the TT...

Setting the Pre-amp Switch
For increased flexibility of use, this turntable has an internal
stereo phono pre-amplifier. The Pre-amp Selector Switch
is located under the turntable platter, in the rear-center
(Fig. 1). If the system amplifier you are using has a PHONO
input, set the Pre-amp Selector Switch to the “OFF”
position. If your amplifier does not have a PHONO input,
set the Pre-amp Selector Switch to the “ON” position and
connect the turntable’s output cables to the AUX or other
high-level input on the amplifier (described later).

Turntable operates, but no sound at all
1. The stylus guard is still in place.
2. The tone arm Lift button is pressed in.
3. Amplifier controls set incorrectly: wrong input selected,
tape monitor on, speakers switched off, etc.
4. Check the stylus on phono cartridge for correct placement.
Refer to the instructions for replacing the stylus
on page 5.
Turntable operates, but no sound, or sound not loud
enough
1. If the turntable is connected to an AUX (high-level)
input: The Pre-amp Selector Switch may be set to the
“OFF” position (phono-input level).
2. The input gain of the amplified speaker or similar
device may be too low.
3. The stylus assembly may not be fully seated in the
cartridge body.

You could also isolate the problem to either the TT or the PC by trying the TT on some other sound device like a receiver. Make sure the PreAmp Selector switch is ON and plug the TT into any AUX, CD or TAPE input.

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1 Answer

Connection of Amp to Equaliser


Thanks guys, but i solved my problem, i experimented and decided that i would run my DVD player (Aux Out) as a CD player through the Equaliser in [Rec] and from equaliser out [Play] i went into Tape Play on Amp, then i connected my Turntable CD Radio System to the Tape 1 Rec on Equaliser and then from Tape 1 Play on Equaliser went into the Tape 2 on AMP then i could use Aux in on Amp to connect my Laptop via my laptops headphone socket my laptop has an equaliser so i didn't need to connect to pioneer EQ, i also connected a small 5.1 to the DVD's 5.1 and connected 4 *45w Speakers to the AMP. and i can say it was FANTASTIC i couldn't get to 5 on my volume it was un @$#%believable.
My Quote
"Where there's an In, there's an Out".

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3 Answers

My Aux-in wont work


did you turned aux function?

turn off your player by pressing and holding volume controler.
press and hold longer (~5 sec) it again to turn it on (you should see 'tuner' in the lcd).
push up arrow to select aux and right/left to turn it on.

now you can connect your ipod and select aux (as ussual switching between tuner/cd player/aux)

cheers :)

Aug 22, 2008 | Pioneer DEH-30MP CD Player

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