60-watt or 120-watt fixed-biased 4-channel high-gain tube amplifier head (mark ii) (9 pages)
Summary of Contents for SONICTONE AMPLIFICATION Classic Series
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Smallbox Model / Standard Model / Lead Model Classic Series Fixed-Biased Tube Amplifier 50-Watt Head - or - 1x12 Combo / 2x12 Combo - or - 100-Watt Head Owner’s Manual www.sonictoneamps.com Made in the USA...
Introduction I’d like to personally thank you for purchasing the SonicTone ‘81 Special tube amplifier. I know how important every player’s tone is to them and that consideration goes into every amp. Carefully designed and hand-built here in the U.S., the ‘81 Special represents the arrival of a new wave of rock and metal sounds that exploded on the scene in the early 1980’s.
Features The ‘81 Special is a fixed-biased tube amplifier that uses 12AX7 preamp tubes and EL34 power tubes. The 50-watt model uses two (2) EL34 power tubes and the 100-watt model uses (4) EL34 power tubes. The features include: 2 channels with independent gain controls (footswitchable) Shared 3-band EQ with presence Master volume Bright switch on channel 1...
Front Panel Pilot Light – illuminates when the amp is turned on. Power Switch – turns the amp on. Standby Switch – allows the amp to be played. When the standby is off, the tubes are kept warm, but the amp will not make any sound. Presence –...
Rear Panel Standard Lead Footswitch Jack – jack to plug the provided footswitch cable into (5-PIN DIN or 1/4” TRS on the Smallbox) FX Loop Send Jack – mono input jack for the FX loop send signal. FX Loop Bypass Switch – switch to fully bypass the FX loop circuit. FX Loop Return Jack –...
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Rear Panel (continued) Bias Probes – test jacks to check the approximate bias point of each power tube in millivolts (mV).* Parallel Speaker Jacks – mono input jacks to plug the speaker(s) into. PLEASE NOTE: The jacks are in parallel, so if you plug two equal impedance speaker loads into them, you must set the impedance switch to half their impedance.
2-Year Limited Warranty This amplifier is protected with a limited, 2-year warranty for any and all defective issues with the build workmanship and parts, excluding tubes, transformers and speakers. The warranty does not cover general wear and tear, neglect, misuse or abuse, damage from liquids (water, alcohol, etc.), disasters, acts of God or unauthorized modifications.
Specifications Product Series: Classic Series Product Model: ‘81 Special Head, 1x12 Combo or 2x12 Combo AC Input & Fuses: U.S. Standard IEC jack rated for 120V @ 60Hz Slo-blo mains fuse: 50W - 3A; 100W - 4A Slo-blo high voltage (B+) fuse: 50W - 0.5A; 100W - 1A Tubes &...
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