Related Manuals for Parasound 275
Summary of Contents for Parasound 275
- Page 1 M o d e l 2 7 5 T w o C h a n n e l A m p l i f i e r Model 275 Model 275 Two Channel Power Amplifier Two Channel Amplifier OWNER’S GUIDE...
-
Page 2: Important Safety Instructions
20. Wall or Ceiling Mounting — Mount the product to a wall or ceiling only as recommended. 21. Heat — The product should be situated away from heat sources such as radiators, heat registers, stoves, and other products (including amplifiers) that produce heat. www.parasound.com... -
Page 3: Table Of Contents
TABLE OF CONTENTS Unpacking and Accessories ......... . 115v –... - Page 4 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 standard for audio performance, user-friendliness and utility in custom installations.
-
Page 5: Ventilation Requirements
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 275’s power cord and before you install it. The unit may be seriously damaged if this switch is set incorrectly. -
Page 6: Rear Panel Connections And Controls
In Jacks Connect the shielded audio cables from your preamplifier or system controller’s output jacks to the Model 275’s L and R audio Input jacks. Use only the R channel jack for mono operation. Loop Jacks The jacks replicate the audio input signals to facilitate connections of other power amplifiers to the same preamplifier or system controller. -
Page 7: High Pass Filter Switch
275 will run cooler. Note: Autoformer-type passive volume controls are highly reactive loads that are known to cause amplifier malfunction. The 20 Hz or 40 Hz filter settings enable the 275 to drive them with ease. Speaker Connections There are separate speaker terminals for two pairs of speakers, labeled Speaker Pair A and Speaker Pair B. -
Page 8: Bridging Switch: Stereo - Mono
The marking lets you know which wire you con- nected to the positive speaker terminal at its other end. Make sure the + wire you attach to each Model 275 + speaker terminal is attached to the + terminal of the speaker for that channel. - Page 9 12V Position When the Auto Turn On switch is set to its 12V position, the Model 275 is turned on and off with an external +9V to +12V voltage from your preamp or controller. When the external volt- age ceases the Model 275 will turn off immediately.
-
Page 10: Auto Turn On
The Auto Turn On Audio Sensitivity knob adjusts the incoming audio level or the “threshold” required to turn on the Model 275. Its 12 o’clock position will be suitable in most cases. To increase sensitivity for response to lower level audio signals, turn the knob counter-clockwise toward +. -
Page 11: Front Panel Buttons And Display
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. -
Page 12: Problems And Remedies
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 cleaned with a soft cloth pre-moistened only with a few drops of water or glass cleaner. -
Page 13: If You Require Assistance
- Friday, 8am - 4pm Pacific time. We can suggest other diagnostic tests you can easily per- form. If we determine that your Model 275 should be returned to Parasound or an Authorized Parasound Warranty Center for inspection and possible servicing, we will provide the location of a warranty center near you or shipping instructions and a Return Authorization number for its return to Parasound. -
Page 14: Specifications
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... -
Page 15: Connection And Setup Notes
CONNECTION AND SETUP NOTES Notes:... - Page 16 We invite you to visit www.parasound.com for the most up-to-date information on your unit and to find out about other Parasound products. Learn why Parasound has been a quality and value favorite of magazine reviewers, sound professionals and listeners like you since we were founded in 1981.
Need help?
Do you have a question about the 275 and is the answer not in the manual?
Questions and answers