Summary of HD 100
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U s e r s g u i d e h l h s e r i e s h d 1 0 0 a m p l i f i e r h e a d.
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1 your 3rd power amplifier is a professional musical instrument amplifier. The information contained herein is current at the time of publication. However, specifications are subject to change without prior notice. Precautions & warnings • read these instructions. • keep these instructions. • heed a...
Page 3: Moving Forward... In 3D
2 ™ thank you for choosing 3rd power as an integral compo- nent of your musical journey. Music is a thrilling blend of tone, attitude and technique. When the right combination occurs, magic happens and it’s experienced by everyone. I’ve had the extraordinary privilege of performing music for 30 year...
Page 4: Special Features:
3 special features: • hand-built and hand-wired in the usa • single channel all-tube design • 100 watt, el34 power amp section • mid voicing switch, preamp gain, master volume, solo volume, treble, middle, bass, and presence controls • variable line output on back panel • series insert/effects loop ...
Page 5: Power Switch (1)
4 preparing to operate your hd100 make certain that all connections are made prior to operating your hd100 including power cable, speaker cable and cabinet, instrument cable and instrument. Make certain that all tubes are installed. Power switch (1) the power switch, when placed in the up position, ...
Page 6: Mid Control (5)
5 mid control (5) the mid control allows you to adjust the character of the middle fre- quency range. The mid circuitry has been optimized to deliver a wide range of mid frequency character so your tone cuts through the mix without sounding harsh. Treble control (6) the treble control allows you to ...
Page 7: Preamp Control (9)
6 preamp control (9) the preamp control allows you to adjust the temperament and over- all character of the distortion sound. The preamp circuitry has been optimized to provide superior versatility allowing you to achieve the superior classic rock, americana and modern metal sounds, as well as the h...
Page 8: Ac Input (12)
7 ac input (12) the ac input socket (type iec grounded) is a required connec- tion for operating your hd100 at 117v (standard usa household elec- trical power). Mains fuse (13) the mains fuse requires a 4 amp fast-acting fuse. This fuse pro- tects your amplifier from voltage peaks from your power ou...
Page 9: Back Panel:
8 16-ohm discreet speaker output (15) the 16-ohm discreet speaker output is provided for con- necting your amplifier to standard 16 ohm speaker cabinets. (2) 8-ohm discreet speaker output (16) the two (2) 8-ohm discreet speaker outputs are provided for connecting your amplifier to single 8-ohm speak...
Page 10: Back Panel:
9 preamp out (19)/ poweramp in (18) jacks the preamp out and poweramp in jacks are available to insert professional line-level effects devices. This type of effects loop is best described as a ‘hard insert’ or ‘break’ type of loop. Preamp out connects to the input of your effects device. Poweramp in...
Page 11: Back Panel:
10 line output (20) and line level control (21) the line output jack and line level control work together to provide a line-level signal for feeding other amplifiers or effects devices. The signal present at this jack originates directly from the output transformer. Foot switch for solo volume (22) ...
Page 12: Bias Adjustment
13 tube layout and requirements: v1, v2 - jj 12 ax 7-s v3 - sovtek 12 ax 7-lps v4 through v7 - jj e 34 l output tubes bias adjustment your hd100 comes from the factory biased for jj e 34 l tubes. Bias ad- justments are not intended to be user-serviceable. Attempting to adjust the bias yourself will ...
Page 13: Limited Product Warranty
14 limited product warranty thank you for choosing 3rd power amplification. 3rd power takes great pride in producing high-quality tube amplifiers and speaker cabinets. Each product is thoroughly tested prior to shipment. The hd100 is warranted to the original purchaser to be free from defects in mat...
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3rd power amplification llc 2020 fieldstone parkway suite 900-316 franklin, tn 37069 phone: (615) 945-3393 web site www.3rdpower.Com friday, april 27, 2012.