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Effectrode SR-71 Owner's Manual

Vacuum tube preamp

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S p e c i f i c a t i o n s

• Input impedance: Greater than 1MOhm

• Output impedance: Less than 1KOhm +10dBu

• Controls: Dedicated Bass, Mid, Treble, Volume

controls for each channel (Gain on drive channel)

• Features: Separate clean and overdrive channels

• All tube: Hot-rodded overdrive channel based on 4

class A tube stages. 'Blackfaced' clean channel

• Direct out: 600W balanced transformer isolated

+16dBu output via ¼" TRS (stereo) jack socket

• True bypass: With 'anti-pop' foot-switching circuitry

• Power requirements: 12VDC @ 1A centre positive

• Dimensions: width 7.5"; depth 4.8"; height 1.3"

• Weight: 2lb (on Earth); 2 ´ 10

• Construction: Solid die-cast aluminum alloy case

• Finish: Tough graphite black powder coat

SR-71

Serial #

lb (a neutron star)

Audiophile Pedals

Owner's Manual

12 Broughton Crescent, Barlaston,

Staffs, UK. ST12 9DB

www.effectrode.com

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Page 1 • Weight: 2lb (on Earth); 2 ´ 10 lb (a neutron star) • Construction: Solid die-cast aluminum alloy case • Finish: Tough graphite black powder coat Owner’s Manual SR-71 Serial # 12 Broughton Crescent, Barlaston, Staffs, UK. ST12 9DB â...
Page 2 9-pin double triode tubes – the SR-71 which could fly at Mach3+, fast enough from other manufacturers - Mil-Spec NOS tubes are to outrun missiles! Like it’s counterpart the Blackbird...
Page 3 In this mode the Blackbird can effortlessly Tube Type Resistor (W) climb the gain curve to produce a huge spectrum of 12AX7 powerful heavy metal sounds. The response always...
Page 4 Balanced Direct Out ¼” TRS (stereo) jack socket mm 12AX7 and in the down position selects biasing allows connection of the Blackbird to mixing desk, for a medium mm 12AY7 tube. The biasing for this computer soundcard or external audio capture position is adjustable via an internal trimpot - device.

Blackbird sr-71