The Peavey ++6505 HEAD 1992 Original Guitar Amplifier Head carries forward the high-gain sound that has become a defining part of rock, hardcore, and metal music. Delivering 120 watts RMS of tube-driven power, this amplifier head is built for guitarists who need commanding stage volume, aggressive distortion, and dependable performance in live and studio environments.

Powered by five 12AX7 preamp tubes and four 6L6GC power tubes, the ++6505 HEAD provides Lead and Rhythm channels with extensive gain adjustment. It’s shared three-band passive EQ, active Presence and Resonance controls, and channel-specific Pre-Gain and Post-Gain knobs allow players to shape everything.

Designed for practical control during performances, the amplifier includes high-gain and low-gain inputs, a footswitchable effects loop, and a preamp output.

Key Features

• Delivers 120 watts RMS of powerful tube amplification.
• Uses five 12AX7 preamp tubes and four 6L6GC power tubes.
• Provides Lead and Rhythm channels with dedicated gain controls.
• Adds a +6 dB boost at 2 kHz through the Rhythm-channel Bright switch.
• Increases Rhythm-channel gain with the Crunch switch.
• Supports 16-, 8-, and 4-ohm speaker loads.
• Includes a footswitchable effects loop and preamp output.

Ideal For

• Rock, hardcore, and metal guitarists
• Live concerts and touring performances
• Professional recording and rehearsal studios
• Guitarists seeking high-gain distortion and extended sustain
• Players requiring flexible tone shaping and footswitch control

What’s in the Box

• Peavey ++6505 HEAD 1992 Original Guitar Amplifier Head
• Two-button footswitch with LED indicators
• Power cable (confirm included package configuration)

Inputs & Outputs

• High-Gain Input: High-impedance input, 470 kΩ
• Low-Gain Input: -6 dB pad, high impedance, 44 kΩ
• Effects Send: Nominal output -10 dBV, 300 mV RMS
• Effects Return: 470 kΩ input impedance, designed level -10 dBV, 300 mV RMS
• Preamp Output: Nominal output +10 dBV, 3 V RMS
• Speaker Compatibility: 16 Ω, 8 Ω, and 4 Ω loads

Frequently Asked Questions

Q: How much output power does the Peavey ++6505 HEAD provide?

It is rated at 120 watts RMS into 16-, 8-, or 4-ohm speaker loads.

Q: Which vacuum tubes does it use?

The amplifier uses five 12AX7 preamp tubes and four 6L6GC power amp tubes.

Q: What channels are available?

It provides Lead and Rhythm channels, with Pre-Gain and Post-Gain controls for shaping each channel's response.

Q: What do the Bright and Crunch switches do?

The Rhythm-channel Bright switch provides a +6 dB boost at 2 kHz, while the Crunch switch increases gain.

Full Technical Specifications

General

Rated Output Power	120 W RMS
Power at Clipping	130 W RMS, typically at 5% THD, 1 kHz, 120 V AC line
Supported Speaker Loads	16 Ω, 8 Ω, 4 Ω
Preamp Tubes	5 × 12AX7
Power Amp Tubes	4 × 6L6GC
Channels	Lead and Rhythm
Equalization	Shared three-band passive Low, Mid, High EQ
Presence Control	Active, +10 dB at 2 kHz
Resonance Control	Active, +10 dB at cabinet resonant frequency
Rhythm Bright Switch	+6 dB at 2 kHz
Rhythm Crunch Switch	Increases gain
Frequency Response	+0/-3 dB, 50 Hz–20 kHz at 100 W RMS into 8 Ω
Hum and Noise	Greater than 75 dB below rated power
Clean Channel Hum and Noise	Greater than 74 dB below rated power, 20 Hz–20 kHz unweighted
Domestic Power Consumption	400 W, 50/60 Hz, 120 V AC
High-Gain Input Impedance	470 kΩ
Low-Gain Input Impedance	44 kΩ
Effects Send Load Impedance	47 kΩ or greater
Effects Return Impedance	470 kΩ
Preamp Output Load Impedance	47 kΩ or greater
Footswitch	Two-button unit with LED indicators
Footswitch Functions	Channel selection and effects-loop bypass

Packaging

Product Configuration	Guitar amplifier head
Included Accessory	Two-button footswitch with LED indicators
Packaging Type	Protective shipping carton