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TABLE OF CONTENTS
*
Space requirements
*
A.C. connections
*
Single-ended input configuration,
*
Differential mode input configuration,
stereo operation
*
Single ended input configuration,
*
Differential mode input configuration,
bridged-mono operation
MODEL 1 STEREO AMPLIFIER
OWNER'S MANUAL
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Summary of Contents for JEFF ROWLAND 1
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Page 1: Table Of Contents
MODEL 1 STEREO AMPLIFIER TABLE OF CONTENTS Introduction Features Unpacking Instructions Installation Space requirements A.C. connections Input Impedance Selection Adjustable Gain Signal Connections Single-ended input configuration, stereo operation Differential mode input configuration, stereo operation Single ended input configuration, bridged-mono operation... -
Page 2: Introduction
Please take a few moments to read this owners manual. Contrary to popular belief, there is actually quite a bit of useful information in an owners manual. The Model 1 offers tremendous interconnection flexibility regardless of the preamp used. A thorough understanding of your amplifier now can save you a lot of anxiety later. -
Page 3: Installation
Locate the amplifier as close as possible to its final installation point. Allow access to the back panel for making connections. All Jeff Rowland Design Group products are convection cooled, eliminating the need for a fan. When operating, the amp should have at least 2 inches of space on all sides. -
Page 4: Adjustable Gain
"medium" (20 k ohms) adjustment. Adjustable Gain The overall gain structure of your Model 1 amplifier can be adjusted to one of four different values, 20, 26, 29.5 or 32 dB. (Your amp comes set from the factory at the 26 dB adjustment.) The Model 5 can thus be used with dissimilar-gain preamplifiers, as well... -
Page 5: Stereo Operation
Basic Troubleshooting If your amplifier does not turn on: 1. Make sure the power cord is connected to both the inlet at the back of the amp and an appropriate AC power source. 2. Check the power supply fuses located next to the AC inlet; there are two fuses-one is a spare. -
Page 6: Technical Specifications
1. Check the rail fuses; on the Model 1, these are located on the inside of the amp adjacent to the encapsulated transformer. A fuse can often look good even if it is actually bad. If possible, check the fuses with a meter.