Parasound 275 V.2 - Manuals

Page 2 - Important Safety Instructions

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 i...

Page 3 - Table of Contents

3 Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Placement and Ventilation Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Rack Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4 - INTRODUCTION

4 INTRODUCTION Thank You for Choosing Parasound Your new Parasound Model 275 v.2 power amplifier has been designed with prov en class AB amplifier technology. The Model 275 v.2 is built to extremely strict quality and performance standards for which Parasound is renowned . We’re proud to offer you t...

Page 5 - Unpacking Your Model 275 v.2 & Placement Guidelines; Ventilation Requirements; Rack Mounting Your Parasound Model 275 v.2

5 Unpacking Your Model 275 v.2 & Placement Guidelines Unpacking Your Model 275 v.2 Carefully remove your Model 275 v.2 from its shipping carton and locate the enclosed accessories: • AC power cord • Two 12V DC trigger wires with mono plugs, one with 3.5 mm (1/8‖) mini plugs, one with a 2.5mm sub...

Page 6 - AC Mains Voltage; NOTE: Before you plug this amplifier into an AC mains outlet:; AC Voltage Warranty Exclusion; Rear Panel Connections and Controls; Audio Loop Out Jacks

6 AC Mains Voltage NOTE: Before you plug this amplifier into an AC mains outlet: 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...

Page 8 - Speaker Connections; Speaker Terminals

8 Speaker Connections Speaker Terminals There are separate speaker terminals for two pairs of speakers, labeled Speaker Pair A and Speaker Pair B. The speaker terminals accept speaker wires with banana plugs, spade connectors or bare wire. Correct Speaker Polarity is Important Polarity refers to + a...

Page 9 - Bi-Amping Using Two Model 275 v.2 Amplifiers; A + B Speaker Load Switch

9 How to set the Speaker Load switch when the Model 275 v.2 is configured for Bridged Mono operation: Single 8 Ohm Speaker In this case the Speaker Load switch should be set to 4-8 Ω. Single 4 or 6 Ohm Speaker In this case the Speaker Load switch must be set to 2-3 Ω. Two 8 Ohm Speakers In this case...

Page 10 - Turn On Options Switch; Manual Position

10 Turn On Options Switch For convenience, there are three ways the Model 275 v.2 can be turned on and off: • Manually , by pressing the Power button on the front panel. • Automatically by Audio , when an audio signal is present at the audio Input jacks. • Automatically by 12V , when a suitable trig...

Page 11 - 2 Volt Input Jacks; 2V Loop Out Jack; Triggering multiple devices; AC Power Cord

11 12 Volt Input Jacks The Model 275 v.2 12V input uses a 3.5mm jack (mono). To use the 12V trigger, insert the trigger wire plug into this jack and the plug at the wire’s other end into the AV receiver or preamp’s 12V output jack. We have included a 3.5mm to 3.5mm trigger wire as well as a 3.5mm to...

Page 12 - Front Panel Operation; Power Button; Protect Indicator; L and R Channel Status Indicators

12 Front Panel Operation Power Button Press the Power button once to turn the Model 275 v.2 on. Press it again to turn it off. W hen the unit is powered on the L and R indicators should illuminate green. The Power button is inoperative when the Turn On Options switch is set to Audio or 12V. A and B ...

Page 14 - Are You Having Difficulty?

14 Are You Having Difficulty? Repair or Service 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 at 415 397 7100 , Monday - Friday, 8am - 4pm Pacific Time. We can suggest other diagnostic tests you can ...

Page 15 - Specifications

15 Input Impedance - 33 k Ω Input Sensitivity 800 mV for full rated output (28dB) Inter-Channel Crosstalk 80 dB @ 1 kHz, 72 dB @ 10 kHz, 65 dB @ 20kHz Damping Factor - Over 150 at 20Hz 12V Trigger Turn On - DC 9 – 12V, 15 mA Audio Turn On Quieter: 1 mV Louder: 6 mV AC Power Requirement 110 - 120 V /...