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Parasound 2250 - page 1
Model 2250 T wo Channel Amplifier Model 2250 T w o Channel P o w er Amplier O WNER’S GUIDE ...
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Parasound 2250 - page 2
IMPORTANT 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 imp ...
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Parasound 2250 - page 3
TABLE OF CONTENTS 1 Unpacking and Accessories .......................................... 2 115v – 230v AC Selector Switch ........................................ 3 Ventilation Requirements ........................................... 3 Rack Mounting ................................................. 3 Rear Panel Connections and Controls .......... ...
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Parasound 2250 - page 4
INTRODUCTION 2 Congratulations and thank you for your purchase of this precision Parasound audio component. The Parasound Model 2250 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-friendlines ...
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Parasound 2250 - page 5
AC VOLTAGE, INSTALLATION AND RACK MOUNTING 3 115v - 230v AC Voltage 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 Model 22 ...
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Parasound 2250 - page 6
REAR PANEL CONNECTIONS AND CONTROLS 4 Connection Precautions Di scon nec t the AC cord be for e maki ng or ch ang ing an y inp ut, tr igg er, or s peak er wi re con nec tion s. 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 control ...
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Parasound 2250 - 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 2250’s frequency response ...
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Parasound 2250 - page 8
REAR PANEL 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 + wire ...
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Parasound 2250 - page 9
REAR PANEL CONNECTIONS AND CONTROLS continued For a sin gle pai r of 4 ohm or 8 ohm speak ers the Load Impedan ce switc h may be set to its 4-8 Ohms positi on. The Load Impedan ce Switc h must be set to 2-3 ohms wheneve r the load will be lower than 4 ohms. Speaker loads below 4 ohms impedance can cause the Model 2250 to ove r- heat rapidl y and ca ...
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Parasound 2250 - page 10
REAR PANEL 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 th ...
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Parasound 2250 - page 11
Power Button Press the Power button once to turn the Model 2250 on, press it again to turn it off. The Power button is inoperative when the Auto Turn On switch is set to Audio or 12V. Note: It is normal for the 2250 Protect indicator to flash briefly right after turn on. A and B Speaker Select Buttons These buttons turn on the speaker pairs connect ...
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Parasound 2250 - page 12
No sound - Check that AC is live. - Is the unit on? Check the setting of the Auto Turn On switch. - Doesn’t turn on with the Auto Turn On - Audio. Try the 12V trigger instead. - Check that input cables and speaker wires are secure at both ends. - Make sure the control preamp/receiver is switched to the correct input. - If using Auto turn on, incr ...
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Parasound 2250 - page 13
Call your Parasou nd deal er firs t. If the dealer can’t help you with your problem we enc ourage you to call Parasound’ s Techni cal Ser vice Department , toll- free at 1-866 -770-8324 , Monday - Friday , 8am - 4pm Paci fic tim e. We can suggest other diagno stic tests you can easily perform . If we det ermine that your Model 2250 should be re ...
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Parasound 2250 - page 14
Continuous RMS Power Output 20 Hz – 20 kHz, Both Channels Driven 25 0 wat ts x 2 , 8 Ω 38 5 wat ts x 2 , 4 Ω 25 0 wat ts x 2 , 2 Ω Continuous RMS Power Output 20 Hz – 20 kHz, Bridged Mono 600 watts, 8 Ω 600 watts, 4 Ω Current Capacity 45 amps peak per channel Frequency Response 20 Hz - 50 kHz, +0/-3 dB, 1 watt Dynamic Headroom 1.6 dB Total ...
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Parasound 2250 - page 15
Notes: CONNECTION AND SETUP NOTES 13 ...
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Parasound 2250 - page 16
W e i nv i te yo u t o v is i t w ww . pa r as o un d .c o m f or th e m os t u p- t o- d at e i nf o rm a ti o n on y our u ni t a nd t o f ind o ut a bou t oth er Pa ras oun d pro duc ts. L ear n why P ar a so u nd h as b ee n a qu al i ty a n d v a lu e fa v or i te o f m a ga z in e re v ie w er s , s o un d p ro f es s io n al s a n d l is t e ...
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