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USER’S GUIDE
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Guitar Amplifier HEAD Table of Contents: The Front Panel...................................................................................4 The Rear Panel....................................................................................5 Piggy Back Mounting onto the V212T Speaker Cabinet.................6 Important Information About Tubes and Tube Products A Brief History Of The Tube ..........................................................7 Tube Types and Usage..............................
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Guitar Amplifier HEAD Congratulations! You are now the proud owner of a V-Series V30H Guitar Amplifier Head. This amplifier packs a whole lot of vintage tube sound into its compact cab- inet – giving you an amp that’s portable and easy to operate yet still pro- duces incredible sounds! Hidden underneath the amp’s cabinet are a pair of heavy duty slide-out mounting brackets which can be used to “piggy back” the amplifier onto the top of the Crate V212T Guitar Speaker Enclosure - see page 6 for ad
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Guitar Amplifier HEAD The Front Panel: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1. Input: Connect your instrument here by 9. Presence: This switch, when means of a shielded signal cable. depressed, increases the output level of the high frequencies by 8dB at 10kHz, giv- 2. Clean Volume: Use this control to adjust ing a more “glassy” sound to the amplifier. the output level of the Clean Channel. This helps the output of the amplifier cut 3. Clean/Overdrive: This switch, when de- through “acoustically dea
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Guitar Amplifier HEAD The Rear Panel: 16 17 18 19 15. ACLine Cord (not shown): The 18. Line In: Use this 1/4” jack to connect grounded power cord should only be the output of an external effects proces- plugged into a grounded power outlet sor to the amplifier. that meets all applicable electrical codes 19. 8 Ohm Speaker: Use this jack to and is compatible with the voltage, connect the external cabinet to the power, and frequency requirements stat- amplifier by means of a heavy duty ed on the re
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Guitar Amplifier HEAD Piggy Back Mounting onto the V212T Speaker Cabinet: The V30H amp head is designed to “piggy back” mount onto Crate’s V212T enclosure. The V30H has slide-out mounting hardware which lock onto the posts on the top of the V212T. Loosen the knobs on the posts, slide the amp in place and lock down the knobs. The piggy-backed amp can be rolled around on its casters by the amp head’s handle, but do not try to pick the combo up by the amp head or its handle 6
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Guitar Amplifier HEAD Important Information About Tubes and Tube Products: A Brief History Of The Tube: In 1883, Edison discovered that electrons would flow from a suspended filament when enclosed in an evac- uated lamp. Years later, in 1905, Fleming expanded on Edison's discovery and created the "Fleming Valve". Then, in 1907, Dr. Lee de Forest added a third component – the grid – to the "Fleming's Valve" and the vac- uum tube was a fact of life. The door to electronic amplification was now ope
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Guitar Amplifier HEAD Important Information About Tubes and Tube Products (continued): "looser" low-end response and produces more harmonics at mid and high frequencies ("creamier" sound). These differences become more noticeable at higher volumes. The EL84 and 6L6 tubes produce a big low-end thump and have a very good dynamic range. They offer a more traditional "American Rock" sound. The EL84 and 6V6 tubes produce a creamy sound with nice dis- tortion. On the other hand, the KT88 produces a bi
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Guitar Amplifier HEAD Important Information About Tubes and Tube Products (continued): You can check your preamplifier tubes for microphonics by turning the amplifier on, turning up the gain and tapping lightly on each tube with the end of a pencil or a chop stick (my favorite). You will be able to hear the tapping through your speakers, which is normal. It is not normal for a tube to ring like a bell after it’s tapped. If it does ring then it’s microphonic and should be replaced. Remember to us
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Guitar Amplifier HEAD Important Information About Tubes and Tube Products (continued): Survival Tips For Tube Amplifiers: To prolong tube life, observe these tips and recommendations: • Match the impedance of your speaker cabinet(s) to your amplifier. Improper impedance matching will con- tribute to early tube degradation and may cause premature tube failure. • Make sure the speaker(s) are properly connected prior to turning on the amplifier. • After playing the amplifier, allow sufficient time
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Guitar Amplifier HEAD System Block Diagram: 12AX7A 12AX7A 12AX7A 12AX7A CHANNEL GUITAR V1B V2A V2B V1A INPUT SELECT OVERDRIVE GAIN TREBLE MID BASS BOOST PRESENCE CLEAN VOLUME PHASE EL84 SPLITTER V4 EFFECTS EFFECTS CHANNEL 12AX7A SELECT SEND RETURN EL84 V3A OVERDRIVE V5 LEVEL 12AX7A 8 OHM EL84 V3B SPEAKER V6 EL84 REVERB REVERB V7 DRIVE RECOVERY REVERB LEVEL Declaration of Conformity Manufacturer’s Name: SLM Electronics Corporate Headquarters: 1901 Congressional Drive, St. Louis, Missouri 63146
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Guitar Amplifier HEAD V30H TECHNICAL SPECIFICATIONS: OUTPUT POWER RATING 30 Watts RMS @ 6 % THD, 8 ohm load, 120 VAC SIGNAL TO NOISE RATIO 71dB Typical GAIN Clean 56dB, Overdrive 101dB TREBLE 12dB range @ 6kHz BOOST +10db @ 900Hz MID 10dB range @ 1kHz BASS 8dB range @ 150Hz PRESENCE +8dB @ 10kHz PREAMP TUBES (3) 12AX7A POWER AMP TUBES (4) EL84 POWER REQUIREMENTS 120 VAC, 60 Hz, 35VA 100/115 VAC, 50/60 Hz, 35VA 230 VAC, 50/60 Hz, 35VA SIZE AND WEIGHT 21” W x 7-3/4” H x 8-1/8” D, 25.5 lbs. The V3
