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Inspect the amplifier for damage upon receipt and check for included accessories.
Instructions to keep original box and materials for future shipment or storage.
Check amp connections, controls, and components before plugging in.
Step-by-step guide for powering on the amp and guitar.
Details on the high-sensitivity input for increased overdrive.
Details on the low-sensitivity input for more headroom.
Description of Channel 1's sonic characteristics and tone.
Regulates preamp volume and distortion for Channel 1.
Explains tone shaping circuits and their interaction.
Sets maximum loudness and adds harmonic boost.
Describes the tone and flexibility of Channel 2.
Regulates preamp volume and distortion for Channel 2.
Tone control with an added pull-bright feature on select models.
Adjusts midrange notch depth and frequency center.
Explains the bass tone shaping for Channel 2.
Controls loudness and adds a unique boost to Channel 2.
Details the function of the built-in spring reverb.
Provides final brightness adjustment after EQ and effects.
Proper operation for tube warm-up and longevity.
Describes the main on/off switch for the amplifier.
AC power connection and mains fuse information.
Specific mains fuse types and ratings for R Series amps.
Specific HT fuse types and ratings for select R Series amps.
Connecting external speakers for specific models.
Connecting external speakers for specific models.
Connecting external speakers for the R100-212 model.
Using the Line Out to send signal to external gear.
Connecting and operating the FS-7 footswitch.
Using the Patch section for external signal processors.
Guide to optimizing signal levels for external effects.
Details on using the effects loop for specific amp models.
Guide to optimizing signal levels for the effects loop.
Details on speakers used in various R Series amplifier models.
Instructions for connecting extension cabinets to specific models.
Instructions for connecting extension cabinets to specific models.
Specific instructions for connecting two cabinets to the R100-212.
Connecting multiple amps without a Y-cord for parallel operation.
Using one amp to control another via effects loop return.
Connecting R30-112/Chubster 40 to second amps/power amps.
Connecting select models to second amps/power amps.
Integrating processors via the Patch section for these models.
Integrating processors via the Effects Loop for these models.
Advice on protecting the amplifier from elements and physical damage.
Procedure for checking tube seating and security.
Ensuring the power cord is securely plugged in at both ends.
Recommends idling the amp before playing for stability.
Guidance on what not to store inside the amplifier cabinet.
Instructions for cleaning the amp's vinyl covering and grillecloth.
Steps to diagnose and resolve power-on issues.
Steps to diagnose and resolve issues with no sound.
Diagnosing thermal shutdown issues for specific models.
Diagnosing thermal shutdown for other R Series models.
Diagnosing thermal shutdown for the R100-212 model.
Steps to diagnose and resolve unwanted sonic distortion.
Tube layout and types for Chubster 40 and R30-112 models.
Explains the role of each tube within the amplifier circuit.
Tube layout and types for these R Series models.
Details on EL-34 and 12AX7 tube manufacturers and characteristics.
Tube layout and types for the R100-212 amplifier.
Explains the role of each tube in the R100-212 circuit.
Identifying and testing preamp tubes for microphonics.
Procedure for locating faulty preamp tubes causing ringing.
Procedure for diagnosing faulty power amp tubes.
Procedure for diagnosing faulty power amp tubes.
Procedure for diagnosing faulty power amp tubes.
Summary of the product warranty period and terms.
Conditions for honored warranty claims and user responsibilities.
Details specific conditions and issues not covered by the warranty.
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