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  1. #1

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    Question Volume Too Loud When Connecting Receiver to External Amp

    Hi All,

    I've got a pair of SDA IIs, an old Yamaha receiver, and a Hafler 9270 amplifier. When I connect the speakers straight to the receiver, the volume works, but I get a lot of distortion. When I connect the speakers to the amplifier, then to the receiver, the volume knob on the receiver doesn't work and everything plays at top volume.

    I've tried an iPhone (using the 3.5 and the direct line out) and turntable as the music source with the same result.

    Any ideas on what the issue could be and how to fix it?

    Thanks!

  2. #2
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    Hello,
    Are using the "tape out" connection on the receiver to give a signal to the Hafler?
    Ken

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    Yessir!

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    That's the problem, the "tape out" is before the unit's volume control so when someone is making a tape recording they don't have to have the volume control at any particular setting. But, this means a constantly high level signal is coming into the Hafler no matter where the volume is set. Does the receiver have a "preamp out/power amp in" connection?

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    Shoot, it only has the tape out option (see pic below). Is there another way to get the output to the speakers, or is a new receiver required?

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  6. #6
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    There are "speaker level to line level" adaptors around, but that would compromise the sound a bit. Why not consider a reasonable priced preamp or preamp/tuner to go with the Hafler? Certainly Adcom comes to mind. That would be a definite step forward instead of going with another receiver, which is a step sideways.

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    I figured it would be easier to find a used receiver than preamp, but don't have a major preference either way. The guy that sold me the Hafler is also selling an Adcom GFP-565, so may go with that.

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    Also, thanks for your help! Much appreciated!

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    No problem, the Adcom would be a fine choice.

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    Honey badger, there are some decent preamps to be found in the used market that would be less than a receiver.

    Source: Squeezebox Touch/CIA Power Supply
    DAC: Benchmark DAC/PRE
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    Subwoofer: SVS PB12-NSD

  11. #11

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    There are used pre amps everywhere. Audiogon, eBay, here, etc.
    'Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

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