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Related Manuals for VHT SPECIAL 12
Summary of Contents for VHT SPECIAL 12
- Page 1 VHT SPECIAL 12/20RT 12-20 Watt Hand-Wired Vacuum Tube Guitar Amplifier User Manual...
- Page 2 IMPORTANT SAFETY INSTRUCTIONS TABLE OF CONTENTS 1) Read these instructions. 2) Keep these instructions. 3) Heed all warnings. OVERVIEW............1 4) Follow all instructions. 5) Do not use this amplifier near water. FEATURES.............2 6) Clean only with dry cloth. 7) Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. CONTROL PANEL FUNCTIONS.....3-4 8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Page 3 Pentode/Triode Switch 6-Position Depth Control Like the Special 12/20, the Special 12/20RT’s preamp was designed to bring the most out of every effects pedal and multi- 3-Position Texture Switch effects unit with enhanced clarity, detail, and controlled tube compression. Its low-impedance buffered effects-loop send can Footswitchable Push/Pull Boost effortlessly drive the most difficult pedals without tone or signal loss.
- Page 4 CONTROL PANEL FEATURES CONTROL PANEL FEATURES CONTINUED 5. Depth Control: This 6-position rotary switch selects the output tubes’ low-frequency roll-off point. Set fully clockwise for the deepest low-frequency extension. Lower settings (counterclockwise) expose more midrange texture and detail; the low- est settings emphasize more presence and bite.
- Page 5 (unbalanced) signal to other equipment such as mixing consoles or other amplifiers. Multiple VHT Special 12/20RT, Special 12/20 or Special 6 Ultra amplifiers can be linked by connecting the Line Out jack to the Effects Return of the second amplifier. Several Special series amplifiers can be linked in this manner, with the first amplifier’s pre- amp serving as the master preamp for all additional amplifiers.
- Page 6 TONE CONTROL — NO BOOST TONE CONTROL — PULL BOOST...
- Page 7 DEPTH CONTROL — PREAMP INPUT (NO BOOST) TEXTURE SWITCH — PREAMP INPUT (NO BOOST) +7.5 +7.5 +2.5 +2.5 -2.5 -2.5 -7.5 -7.5 -12.5 -12.5 -17.5 -17.5 -22.5 -22.5 -27.5 -27.5 -32.5 -32.5...
- Page 8 DEPTH CONTROL — EFFECTS RETURN INPUT TEXTURE SWITCH — EFFECTS RETURN INPUT +8.5 +8.5 +7.5 +7.5 +6.5 +6.5 +5.5 +5.5 +4.5 +4.5 +3.5 +3.5 +2.5 +2.5 +1.5 +1.5 +0.5 +0.5 -0.5 -0.5 -1.5 -1.5...
- Page 9 BOOST — ON/OFF BLOCK DIAGRAM Line Out 12AX7 12AX7 12AX7 Input Input Stage Tone Stack Pull Boost Volume Tone E ects Loop Bu er Send Level Send Return E ects Return Return Level Reverb Driver Spring Tremolo 12AX7 12AX7 12AX7 12AX7 12AX7 Output Tubes...
- Page 10 CLEAN 472/630V TONE 12AX7 220K Reverb DEEP 100K VR1 1M G NC VR5-SW 100K Name/Model: VHT Special 12/20 — 12-20 watt hand-wired vacuum tube Blue T NC LINE OUT T NC 103/630V 103/630V 332/630V 104/400V 12AX7 CLEAN G NC R29 100R...
- Page 11 LIMITED WARRANTY INFORMATION This amplifier is warranted, to the original Purchaser, to be free from defects in material and workmanship for a period of five (5) years, excluding the tubes and speaker, which are warranted for ninety (90) days, from the original date of purchase.