PERFORMANCE AMPLIFIER II OWNERS MANUAL Serial Number
TABLE OF CONTENTS Introduction 1 Product Concept and Description 2 Unpacking 3 Installation 3 Cable and Adapter Selection 3 Electrical Connections 3 Connection Identification Diagram - Supply Chassis 4 Connection Identification Diagram - Amplifier Chassis 5 Choosing Associated Equipment 6 Operation 6 Bridged Operation 6 Maintenance Information 7 Block Wiring Diagram for Bridged Operation 8 Additional Instruction 9 Additional Accessories and Parts 9 Cello Limited Warranty 9 Se
PERFORMANCE AMPLIFIER Introduction Congratulations on choosing the Performance Amplifier. Your unit has been individually hand-made from the finest parts and materials. The Performance Amplifier utilizes proprietary Cello circuitry that represents the true state-of-the-art in audio electronics and is designed to perform to specifications for decades of musical enjoyment. We want your Performance Amplifier to provide you with complete satisfaction.
PERFORMANCE AMPLIFIER Product Concept and Description CONCEPT DESCRIPTION The Performance Amplifier is a no-compromise design for the ultimate in residential music and professional monitor systems. A combination of musical clarity , high output voltage and current capability enables the Performance Amplifier to maximize the performance of all high quality speaker systems.
PERFORMANCE AMPLIFIER Instructions UNPACKING Inspect the containers for signs of damage in transit. Report any evidence of abuse immediately. Open containers carefully and remove contents from the packing. Take care not to scratch the surfaces of the units. Save all boxes and foam pieces for reuse in the event that the unit must be moved in the future. If the boxes should become lost, replacement boxes are available from the factory.
PERFORMANCE AMPLIFIER Instructions (cont.) The performance Amplifier can be used as part of a complete Cello System, or in conjunction with other speakers, electronics, and cables. CHOOSING ASSOCIATED EQUIPMENT The following should be kept in mind: 1) Speakers should be of a design and type capable of handling the extremely high power levels produced by the amplifier. This is especially important if you plan to use the bridged amplifier configuration.
PERFORMANCE AMPLIFIER Instructions (cont.) your Cello Designer. The bridging kit comes with the proper quantity of parts to convert two sets of Performance Amplifiers (four supplies, four amps)to stereo operation by combining one set of amps for the left channel and one set of amps for the right channel. The following instructions are for connecting only one set of amps (one channel). To connect for stereo, simply repeat the procedure on the second set of amps.
PERFORMANCE AMPLIFIER Instructions (cont.) ADDITIONAL ACCESSORIES AND PARTS Cello Strings component interconnect cables are available in pre-made or custom lengths to provide the optimum in signal transfer. Adapters: A full line of adapters is available to connect Fischer three pin connectors (used on all Cello equipment) to RCA, XLR and Camac as well as other Fischer type connectors. Replacement Foam Fan-air Filters are available in the event yours should become damaged or lost.
PERFORMANCE AMPLIFIER Electrical Specifications Power Output Single Amp Load (Ohms) 8 4 2 1 Rated Watts (RMS) 200 400 800 1000 * Clipping @ 1kHz Watts (RMS) > 350 > 700 >1000 >1300 Bridged Set Load (Ohms) 8 4 2 Watts (RMS) 800 1600 3200 Watts (RMS) >1400 >2800 >4000 * NOTE: Clipping levels obtained with 1kHz continuous sine wave. It may be necessary to alter the AC line in order to provide the current needed to reach these levels for testing.
PERFORMANCE AMPLIFIER Physical Specifications AMPLIFIER ENGLISH METRIC Height (chassis) Height (max.) Width (foothold) Width (chassis) Depth (foothold) Depth (chassis) Depth (max.*) 7.56 in. 8.44 in. 16.50 in. 17.50 in. 16.2 5in. 17.00 in. 18.05 in. 19.2 cm 21.5 cm 42.0 cm 44.5 cm 41.2 cm 42.7 cm 47.1 cm Weight: Net Boxed 45 lbs. 60 lbs. 20.4 kg 27.2 kg ENGLISH METRIC SUPPLY Height (chassis) Height (max.) Width (foothold) Width (chassis) Depth (foothold) Depth (chassis) Depth (max.*) 7.56 in.
Cello, Ltd. 315 Peck Street, Bldg. 23 New Haven, CT 06513 U.S.A.
