FS/FT: Rivera Hammer power amp for guitar?

[JasonA84]

I bought this brand new less than a year ago, and have since switched to a head so I have no need for it. Here's all the info, it's basically in brand new condition with less than 5 hours on it. If you go direct from Rivera it's $1500 plus shipping, as well as about a weeks wait time for them to burn in the tubes for you. If you have ANY questions or trade offers with other heads or guitars don't hesitate to pm.

 

The Hammer 120 and Hammer 320 power amplifiers allow you to match the amplifier input level to the output level of your equipment. In the High setting, the amplifier will handle signals up to +15dB. In the Normal setting, the amplifier is set for signals at 0dB. In the Low setting, the amplifier will accept signals as low as -10dB.

 

Example 1. You wish to run directly from your effects string Into the amplifier. Typically, effects-level devices (especially the Roland Boss Chorus) have only weak output signals. The Input Level Select setting would thus be Low.

 

Example 2. You wish to feed the amplifier from a preamp, mixing console, keyboard, or some other device that boosts the signal above instrument level. The Input Level Setting would thus be either Normal or High, depending on the output level of the device. Normally, you would set the Input Level Select to eliminate any distortion caused by a too-hot input signal.

 

FOCUS Control

Each power amp channel is equipped with a FOCUS control. The FOCUS control allows adjustment of speaker cone damping. Damping is the ability of the amplifier to control speaker movement. The greater the control (high damping), the closer the movement of the speaker will follow the output waveform from the power amp. The less damping there is, the less control the amplifier has over speaker movement, resulting in speaker movement not directly caused by the output waveform of the power amplifier. Low FOCUS settings (1 through 4) tighten up the sound, while higher FOCUS settings (S through 10) loosen the sound.

 

The FOCUS control can be used to change the timbre from cold and dry (settings 1 through 4) to warmer with more sparkle (settings S through 10). The FOCUS control also allows you to compensate for room acoustics, or to get "your sound" even when playing through borrowed speakers. For example, closed-back cabinets often have a tighter sound than open-back cabinets. When using one, the FOCUS control lets you more closely approximate the sound of the other.

 

Presence Control

 

On the TBR-3 and TBR-5, the PRESENCE control adjusts the high harmonic gain balance of the preamp section. It allows for shiny highs without an increase in distortion.

 

H/S/L switches

 

These switches allow you to select between full power (160watts) in the H (high), to Standby (S), down to 45watts in the low (L). There