Parasound 275 - Manuals - manualsarea.com

Page 2 - IMPORTANT SAFETY INSTRUCTIONS

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 inte...

Page 3 - TABLE OF CONTENTS

TABLE OF CONTENTS 1 Unpacking and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 115v – 230v AC Selector Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Ventilation Requirements . . . . . . . . . . . . . . . ...

Page 4 - INTRODUCTION; Unpacking; Carefully unpack your Model 275 and these accessories:; OWNERSHIP REFERENCE INFORMATION; Parasound Serial Number:

INTRODUCTION 2 Congratulations and thank you for your purchase of this precision Parasound audio component.The Parasound Model 275 is the latest generation of popular and proven audio power amplifiers dating back to 1981. It has been designed for a wide variety of applications, establishing a new st...

Page 5 - AC VOLTAGE, INSTALLATION AND RACK MOUNTING; Installation and Ventilation Requirements; AC

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 li...

Page 6 - REAR PANEL CONNECTIONS AND CONTROLS; Connection Precautions; Only the R channel Level knob is used for bridged mono operation.; Loop

REAR PANEL CONNECTIONS AND CONTROLS 4 Connection Precautions Disconnect the AC cord before making or changing any input, trigger, or speaker wire connections.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...

Page 7 - spade lug, or with a single banana plug dual banana plugs which are; REAR PANEL CONNECTIONS AND CONTROLS continued; High Pass Filter

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...

Page 8 - Correct Speaker Polarity is Important; in its Mono position.; Mono Operation

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 speake...

Page 9 - ohm speakers driven simultaneously are a 2 ohm load.; Automatic Turn On and Off; Auto Turn On Switch; When a suitable voltage is applied to its 12V In (input) jack.; Audio Position

REAR PANEL CONNECTIONS AND CONTROLS continued For a single pair of 4 ohm or 8 ohm speakers the Load Impedance switch may be set to its 4-8 Ohms position. The Load Impedance 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 ...

Page 10 - Ground Switch

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...

Page 11 - Auto Turn On switch (on the rear panel) in the Man position:; L and R Channel Status Indicators; FRONT PANEL BUTTONS AND DISPLAY

Power Button Press the Power button once to turn the Model 275 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 275 Protect indicator to flash briefly right after turn on. A and B Speaker Select Buttons...

Page 12 - No sound; PROBLEMS AND REMEDIES

Maintaining Your Model 275 Your Parasound Model 275 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. To avoid the risk of electric shock, do not remove its top cover. The exterior can be...

Page 13 - Before You Return Any Unit to Parasound for Service; The shipping address is not the same as Parasound’s office address.; Warranty Repair; IF YOU REQUIRE ASSISTANCE

Call your Parasound dealer first. If the dealer can’t help you with your problem we encourage you to call Parasound’s Technical 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 th...

Page 14 - PARASOUND MODEL 275 SPECIFICATIONS

Continuous RMS Power Output 20 Hz – 20 kHz, Both Channels Driven 75 watts x 2, 8 Ω 120 watts x 2, 4 Ω 120 watts x 2, 2 Ω Continuous RMS Power Output 20 Hz – 20 kHz, Bridged Mono 200 watts, 8 Ω 200 watts, 4 Ω Current Capacity 20 amps peak per channel Frequency Response 20 Hz - 50 kHz, +0/-3 dB, 1 wat...

Page 15 - CONNECTION AND SETUP NOTES