Hiwatt DR88 Head

The DR88 runs a pair of KT88s where most Hiwatts run EL34s, and that valve choice is the point: a rounder, silkier character with the same instant response, built for bass and equally at home with down-tuned and baritone guitars.

Three ECC83s and an ECC81 make up the preamp. Normal and Brilliant channels each have high- and low-impedance inputs, and a post-phase-inverter master volume joins the usual master, giving control over where in the chain the amp saturates. Outputs are two 1/4-inch jacks plus a Speakon, with 4, 8 and 16 ohm settings on the rear.

Channels	Normal, Brilliant
Inputs	Normal Hi; Normal Low; Brilliant Hi; Brilliant Low
Output	2 x 1/4" Speaker Out 1 x Speakon Speaker Out
Preamp Valves	3 x ECC83 (12AX7), 1 x ECC81 (12AT7)
Output Valves	2 x KT88
Controls	Normal Volume; Brilliant Volume; 3-Band EQ shared by both channels - Bass, Treble, Middle; Presence - Treble Boost shared by both channels; Master Volume; Post-Phase Inverter Master Volume; Standby - On/Off; Mains - On/Off
Impedance	Switchable using Impedance Selector on the rear panel - 4 Ω, 8 Ω, or 16 Ω