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Average Price: $370

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$300

$701+

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Description

The Yamaha G100-212ii stands as an enduring classic in the realm of solid-state combo guitar amplifiers, offering versatile sound for both practice and performance. With its dual 12-inch speakers, this amplifier delivers a robust and dynamic tone, making it a reliable choice for guitarists who crave both clarity and power.

The G100-212ii features a distinctive EQ section, allowing musicians to sculpt their sound precisely. Its powerful 100-watt output ensures you’re heard in any venue, while the built-in effects loop provides flexibility for integrating your favorite pedals. Whether you're a blues enthusiast or a rock aficionado, this amp's clean and overdrive channels cater to a wide range of musical styles.

Designed with ease of use in mind, the control panel is straightforward, ensuring you spend more time playing and less time tweaking. The Yamaha G100-212ii is built to withstand the rigors of the road, making it an ideal companion for gigging musicians who require durability without sacrificing sound quality.

Key Features:

  • Solid-state design with reliable performance
  • Dual 12-inch speakers for a powerful sound output
  • 100-watt power handling for ample volume
  • Two channels (clean and overdrive) for versatile tone options
  • Distinctive EQ section for precise sound shaping
  • Built-in effects loop for integrating pedals
  • Durable construction for long-lasting use

Product specs

Brand Yamaha
Model G100-212II 2-Channel 100-Watt 2x12" Guitar Combo
Finish Black
Year 1980 - 1985
Made In Japan
Categories Guitar Combo Amps
Built-In Effects Built-In Effects
Color Family Black
Direct Output Direct Output
Electronics Solid State
Number of Channels 2 Channels
Number of Inputs 2 Inputs
Output Power (Watts) 100
Power Tube Type None
Reverb Spring Reverb
Speaker Configuration 2x12"

FAQs

What kind of music genres is the Yamaha G100-212II amp suitable for?

The Yamaha G100-212II, with its solid-state design and 2x12" speaker configuration, excels in genres requiring clean tones and high headroom, such as jazz, blues, and classic rock. Its built-in effects and spring reverb also make it versatile for various playing styles.

Does the Yamaha G100-212II handle pedals well?

Yes, the Yamaha G100-212II is known for handling pedals effectively, making it a great choice for guitarists who rely on external effects for their sound. Its clean and robust output provides a solid foundation for pedal-based tone shaping.

How loud is the Yamaha G100-212II, and is it suitable for live performances?

With 100 watts of power and a 2x12" speaker configuration, the Yamaha G100-212II is loud enough for medium to large venues, making it an excellent choice for live performances. Its solid-state construction ensures consistent output at high volumes.

What are the built-in effects available on the Yamaha G100-212II?

The Yamaha G100-212II features built-in effects, including spring reverb, which adds depth and ambiance to your sound. These effects enhance the amp's versatility for various musical genres and performance settings.

How many channels does the Yamaha G100-212II have, and what are their uses?

The Yamaha G100-212II has two channels, allowing for a range of tonal options. You can switch between clean and overdriven sounds, making it suitable for both rhythm and lead guitar parts in different musical contexts.

Steffen Brix

Steffen Brix

PLAYER'S REVIEW - Fender The Twin (red knob) vs Yamaha G100-212ii - by Steffen Brix (4K)

Video thumbnail for PLAYER'S REVIEW - Fender The Twin (red knob) vs Yamaha G100-212ii - by Steffen Brix (4K) by Steffen Brix

PLAYER'S REVIEW - Fender The Twin (red knob) vs Yamaha G100-212ii - by Steffen Brix (4K)

Steffen Brix

Steffen Brix

Video thumbnail for 10 Classic ROCK Guitar Amps! by Johan Segeborn

10 Classic ROCK Guitar Amps!

Johan Segeborn

Johan Segeborn

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Yamaha G100-212ii.

Features and functionality

  • The parametric EQ is praised as "surgical" and dramatically changes the amp's tone, making it highly versatile.

    Source
  • The spring reverb in this amp is likened to that of a Bassman, indicating high quality.

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  • The Q-pot, identified as an A50K pot, is positioned before the power amp stage, and replacing it requires careful consideration due to potential loud noise issues.

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User experience

  • Owners emphasize the amp's exceptional loudness, noting that the clean channel is often too much past volume level 2-3 for home use.

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Comparisons

  • The G100-212ii is often compared to the Roland JC-120 and referred to as a "solid-state twin killer," with its clean tones rated highly.

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Mods and upgrades

  • Many owners swap the stock Yamaha drivers for vintage alnico speakers to improve tone, as the original drivers are described as flat.

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  • Adding a resistor between the preamp and power amp can lower overall volume, though it may affect brightness.

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  • A pad switch tweak on the last inverting opamp is suggested for better volume control without sacrificing tone.

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Use cases and applications

  • Despite criticisms of the overdrive, it is noted to have a Neil Young vibe and works well for gritty blues and reggae.

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Setup and maintenance

  • Vintage solid-state amps like this one require less maintenance than tube amps, though issues like scratchy pots can still occur.

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  • The potentiometer for the parametric EQ is reportedly difficult to source if it breaks, posing a potential maintenance challenge.

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  • Owners report that volume drops and distorted trails may indicate capacitor issues, while scratchy pots can often be resolved with multiple contact cleaner applications.

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  • Replacing the power switch is a common concern, but specific replacement parts are not easily identified.

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Other

  • The amp is often used as a pedal platform due to its clean channel, but the built-in overdrive is also utilized for specific styles.

    Source

Value and pricing

  • In the U.S., a fair price for the Yamaha G100-212ii is generally within the $250-$300 range; paying $400 is considered expensive.

    Source

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