Detail 01
Channel modes
Channel 1 offers Clean, Variable High Gain, and Modern High Gain; Channel 2 offers Modern High Gain and Variable High Gain.
Product detailSKU #1500000438085
MESA/Boogie90s Dual Rectifier Tube Guitar Amp Head - Black Bronco
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Independent shopping perspective
The Korena take
The 90s Dual Rectifier is a 100W, two-channel tube head with independent gain, EQ, presence, and master controls on each channel. Channel 1 supplies Clean, Variable High Gain, and Modern High Gain modes; Channel 2 carries Modern High Gain and Variable High Gain. The amp also provides switchable rectifiers, a Bold/Spongy power switch, a Bias Select option for 6L6 or EL34 power tubes, a tube-driven series loop, and a slave output. Its speaker connections cover 4-, 8-, and 16-ohm options.
Strong match
Who this is for
- Two-channel guitar rigs that need separate control sets and multiple gain-mode choices per channel.
- Setups using a tube-driven series effects loop, slave output, or 4-, 8-, and 16-ohm speaker connections.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Bias Select
The power section is listed with four 6L6 tubes or EL34 tubes when using the Bias switch.
Detail 03
Speaker outputs
Connections include two 8-ohm outputs, two 4-ohm outputs, and one 16-ohm output.
Detail 04
100W Class A/B with Bold/Spongy switch
The head combines its listed 100W Class A/B power section with a selectable Bold/Spongy power setting.
Final check
Know before you order
- 01Choose speakers and cabling that match one of the available 4-, 8-, or 16-ohm output connections.
- 02The power-tube configuration is listed as 6L6, with EL34 operation available through the Bias switch.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01How many channels are footswitchable?
The amp has two footswitchable channels.
02Does it have a loop for effects?
Yes. It includes a tube-driven series effects loop.
03Which rectifier tubes are listed?
It uses two 5U4GB rectifier tubes and has switchable rectifiers.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsSound
- Effects Loop
- Tube-driven, series
- Wattage
- 100W
3 detailsPickups & controls
- Number of Footswitchable Channels
- 2
- Channel Controls
- Independent Gain, Treble, Middle, Bass, Presence and Master
- Preamp Tubes
- 5 x 12AX7
3 detailsBody & build
- Chassis Material
- Chrome-plated steel
- Color
- Black
- Type
- Tube amp head
4 detailsConnections & power
- Power Amp Tubes
- 4 x 6L6 (or EL34 with Bias switch)
- Slave Output
- Yes
- Power Amp Details
- Class A/B, Bold/Spongy power switch
- Speaker Outputs
- 8 ohm x 2, 4 ohm x 2, 16 ohm x 1
5 detailsOther
- Channel 1 Quot Orange Quot
- Clean, Variable High Gain, Modern High Gain
- Channel 2 Quot Red Quot
- Modern High Gain, Variable High Gain
- Rectifier Tubes
- 2 x 5U4GB
- Number of Style Modes
- 3 per channel
- Cooling
- Fan
