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Parasound 2125 manual

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Table of contents for the manual

  • Page 1

    Model 2 1 25 T wo Channel Amplifier A B Power Model 2125 Two Channel Amplifier Protect Hi Temp L R Model 2125 T w o Channel P o w er Amplifi er O WNER’S GUIDE[...]

  • Page 2

    IMPORT ANT SAFETY INSTRUCTIONS The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of “dangerous voltage” inside the product that may constitute a risk of electric shock. The exclamation point within an equilateral triangle is intended to alert the user to the presence of im[...]

  • Page 3

    T ABLE OF CONTENTS 1 Unpacking and Accessories .......................................... Unpacking and Accessories .......................................... Unpacking and Accessories 2 115v – 230v AC Selector Switch ........................................ 115v – 230v AC Selector Switch ........................................ 115v – 230v A[...]

  • Page 4

    INTRODUCTION 2 Congratulations and thank you for your purchase of this precision Parasound audio component. The Parasound Model 2125 is the latest generation of popular and proven audio power amplifi- ers dating back to 1981. It has been designed for a wide variety of applications, establishing a new standard for audio performance, user -friendline[...]

  • Page 5

    AC VOL T AGE, INST ALLA TION AND RACK MOUNTING 3 115v - 230v AC V oltage Selector Switch This switch is found on the chassis rear panel. The 115V position of this switch is correct for North America; most other regions require setting it to 230V . Make sure the 115/230V switch is set for the correct AC line (mains) voltage before you connect the Mo[...]

  • Page 6

    REAR P ANEL CONNECTIONS AND CONTROLS 4 Connection Precautions Di scon nect the AC cor d befo re mak ing or ch angi ng any in put, tri gger , or spe aker wir e con nect ions . Make sure there is no strain or tension on any wires that could cause them to pull loose. In Jacks Connect the shielded audio cables from your preamplifier or system controlle[...]

  • Page 7

    High Pass Filter Switch The High Pass filter can improve the sound in virtually any installation. It’ s called a “high pass” filter because it permits signals higher than 20 Hz and 40 Hz to pass, while preventing signals below these frequencies from passing. • The Flat switch position disconnects the filter and the 2125’ s frequency respo[...]

  • Page 8

    REAR P ANEL CONNECTIONS AND CONTROLS continued Correct Speaker Polarity is Important As you connect the speaker wires, you can see that the insulation on one of the two wires in each pair has either printing or a raised ridge. The marking lets you know which wire you con- nected to the positive speaker terminal at its other end. Make sure the + wir[...]

  • Page 9

    REAR P ANEL CONNECTIONS AND CONTROLS continued For a singl e pair of 4 ohm or 8 ohm speaker s the Load Impedance switch may be set to its 4-8 Ohms positi on. The Load Impedanc e Switch must be set to 2-3 ohms whenever the load will be lower than 4 ohms. Speaker loads below 4 ohms impedance can cause the Model 2125 to over - heat rapidl y and cause [...]

  • Page 10

    REAR P ANEL CONNECTIONS AND CONTROLS continued 8 Note: If the controller’ s trigger output is a + and - terminal, you can cut the 2.5mm plug off one end of the included trigger wire and attach the bare wires to these terminals. The lead with the white stripe on it corresponds to the plug’ s tip and the unmarked lead corresponds to the sleeve of[...]

  • Page 11

    Power Button Press the Power button once to turn the Model 2125 on, press it again to turn it off. The Power button is inoperative when the Auto T urn On switch is set to Audio or 12V . Note: It is normal for the 2125 Protect indicator to flash briefly right after turn on. A and B Speaker Select Buttons These buttons turn on the speaker pairs conne[...]

  • Page 12

    Maintaining Y our Model 2125 Y our Parasound Model 2125 power amplifier requires no periodic maintenance other than the knowledge that you are bragging about it to your friends. It has no user -serviceable parts inside. T o avoid the risk of electric shock, do not remove its top cover . The exterior can be cleaned with a soft cloth pre-moistened on[...]

  • Page 13

    Call your Parasound dealer first. If the dealer can’t help you with your problem we encourage you to call Parasound’ s T echnical Service Department, toll-free at 1-866-770-8324 , Monday - Friday , 8am - 4pm Pacific time. We can suggest other diagnostic tests you can easily per - form. If we determine that your Model 2125 should be returned to [...]

  • Page 14

    Continuous RMS Power Output 20 Hz – 20 kHz, Both Channels Driven 125 wat ts x 2 , 8 Ω 200 wat ts x 2 , 4 Ω 200 wat ts x 2 , 2 Ω Continuous RMS Power Output 20 Hz – 20 kHz, Bridged Mono 400 watts, 8 Ω 400 watts, 4 Ω Current Capacity 35 amps peak per channel Frequency Response 20 Hz - 50 kHz, +0/-3 dB, 1 watt Dynamic Headroom 1.3 dB T otal H[...]

  • Page 15

    Notes: CONNECTION AND SETUP NOTES 13[...]

  • Page 16

    W e i nv i te y ou t o v is i t w ww . pa r as o un d .c o m f or t he m os t u p- t o- d at e i nf o rm a ti o n on yo ur un it an d to fi nd ou t ab out ot her Pa ras ou nd pr odu ct s. Le arn wh y P ar a so u nd h as b ee n a q ua l it y a nd v al u e f av o ri t e o f m ag a zi n e r ev i ew e rs , s ou n d p ro f es s io n al s a n d l is t en[...]