The Max 115 relies on a robust solid-state power amplifier to push 300 watts (in newer models) or 50–60 watts (in vintage variants) into its internal 15-inch heavy-duty woofer.
The Peavey MAX 115 Go to product viewer dialog for this item.
The input stage of the MAX 115 is designed to handle a wide range of signal levels through attenuated active and passive inputs. TransTube® Circuitry:
The tone-shaping section is the heart of the Max 115 preamp. The circuit diagram reveals: peavey max 115 schematic exclusive
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: The signal passes through a 3-band EQ and specialized "Punch," "Mid-Shift," and "Bright" presets. Output Management : For the MAX 115 specifically, the schematic shows an XLR Direct Output
: This patented emulation technology is responsible for the three distinct voicings (MAX, Vintage, and Modern). The Max 115 relies on a robust solid-state
This exclusive technical guide deconstructs the Peavey Max 115 circuitry, mapping out its signal flow, identifying common failure points, and providing actionable insights for amplifier technicians and DIY enthusiasts alike. Technical Overview of the Peavey Max 115 Architecture
Additional onboard tools like a chromatic tuner, an XLR direct output with ground lift, an auxiliary input, and a headphone output make it a complete, gig-ready package.
This is a designed feature , not a defect. When you engage the TransTube gain boost, the amplifier automatically bypasses the tweeter to produce a darker, more vintage overdrive tone similar to classic tube amps. TransTube® Circuitry: The tone-shaping section is the heart
Power supply
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is a discontinued model, Peavey-authorized schematics are primarily available through legacy databases and community-driven repair sites:
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Peavey’s exclusive Distortion Detection Technician (DDT) circuit is deeply integrated into the power amp schematic. This optical or op-amp-based limiter senses when the power amp is about to clip and automatically compresses the input signal, protecting the 15-inch heavy-duty woofer from destructive square-wave distortion. Troubleshooting Guide: Common Failures on the Schematic