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Arcam Delta 120.2

Discussion in 'Arcam Owners' Forum' started by mrkeeling, Nov 14, 2004.

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  1. mrkeeling

    mrkeeling
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    I stumbled upon attractively priced Arcam Delta 120.2 power amp, but I can not find any info on it. All I managed to find (info wise) is about Delta 290. :confused:

    Is there anybody who can enlighten me with the specs of Delta 120.2? Further more, anybody with the idea how will it match with my DiVa P85 for bi-amping? Any pics (how will it match esthetically)?
    :lease:
     
  2. Palu

    Palu
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    I had them for two years now i ve upgraded
    Delta 120.2 Power Amplifier

    The Delta 120.2 is the perfect partner for the Delta 110 preamplfier. It is a "twin mono" unit, consisting of two totally separate 100 watt mono amplifiers, each with its own power supply and toroidal mains transformer. This technique, though expensive, virtually eliminates interactions between the two channels and contributes toward the remarkably fine sound quality of the Delta 120.2.

    The Delta 120.2 is a real powerhouse. Its paralleled pairs of output transistors and 44,000 microfads of reservoir capacitors endow it with a peak current capacity of 25 amps per channel. When combined with a continuous power output of 100 watts per channel into 8 ohms (over 150 W into 4 ohms), this ensures almost any loudspeaker can be effortlessly driven to extraordinary volume levels.

    A further strength of the 120.2 is the way in which it offers a clear upgreading path for the future. You can start with just one amplifier, driving a normal pair of speakers. If the speakers are bi-wireable, it's then easy to get a marked improvement in clarity by adding a second 120.2 and two extra runs of speaker cable. Use the two channels of one amplifier to drive the left speaker (treble and bass) and the two channels fo the other to drive the right speaker (treble and bass). Alternatively, you can trade a little clarity for extra dynamic range by "bridging" each Delta 120.2 to give yourself a pair of high powered mono units. Each is then capable of delivering an awesome 300 watts of continuous power into an 8 ohm loudspeaker!

    No modifications to the amplifiers or cabling are needed in either case, as hidden switches on the rear panel neatly perform all the necessary signal routing.

    Finally the connection of speaker cables in any configuration is made easy by the provision of two pairs of speaker outlets. For the greates flexibility, they can be switched independently, or even switched off altogether, for example when listening with headphones on the Delta 110 preamplifier.

    Technical Specifications
    Continuous Power Output
    Both channels, 8 ohms, 20Hz-20kHz, 105W
    Single channel, 8 ohms, 1kHz, 280W
    Single channel, 4 ohms, 1kHz, 355W
    THD, 1kHz, 80% max, output, 0.01%
    Peak Current Rating 25A
    Frequency response 0.5dB, 10Hz-20kHz
    Input sensitivity 1.00V
    Input impedance 10kOhm
    Signal to noise ratio 100dB
    General
    Power Requirements 220-240 V, 50/60 Hz
    Power Consumption 600 W
    Dimensions (WxHxD) 430 x 92 x 301 mm
    Weight 7.2 kg
     
  3. Palu

    Palu
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    I had them for two years now i ve upgraded, I've paid € 700 for two of them. Sold them for the same price btw.

     
  4. mrkeeling

    mrkeeling
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    Thanks for the info Palu :thumbsup:

    How did you like Delta? Any idea how it compares to P85?

    It seams a little lightweight to me for two power supplies? :confused:

    If it’s not too much to ask, what did you upgraded to?
    :beer:
     
  5. Palu

    Palu
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    Hi,

    The Deltas sounded very good. I used them with full range els (see www.final.nl). I used them as MONOBLOCS. I now have upgraded to ARCAM C30 PRE end two ARCAM P1 and FINAL full range els and two FINAL subs.

    In between i used a P35 but that wasn't sufficient because of the nesc. power for the els.

    You may come over and listen in. But you have to come to Holland. :)

    I dont understand exactly what you mean by "lightweight".
     
  6. mrkeeling

    mrkeeling
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    As “light in weight” ;) Only 7.5kg? P85 with only one power supply is 9.5kg.

    Other thing that is confusing is its power output:
    Both channels, 8 ohms, 20Hz-20kHz, 105W
    Single channel, 8 ohms, 1kHz, 280W
    Even though single cannel data is for 1kHz, the jump is huge. If it is a twin mono design, shouldn’t it be no matter if you drive one or two channels? Unless this is data for bridged mode (or I am missing something here)? :confused:
     
  7. Palu

    Palu
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    :) There is a switch (mousepiano) at the back where you can bridge the two amps. A 120,2 is in fact TWO stereo amps in ONE. This unit gives hughe power.
     

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