Electro-Harmonix HELL MELTER Manual de usuario
Congratulations, you are now possessed by the Hell Melter. This device
is built to produce the legendary ‘chainsaw’ distortion tone, but with
added features that expand the threat of tonal destruction. Do you
want the gruesome vintage grind found on classic death metal records?
Do you seek added volume, distortion, clarity, or control? Sink deep
into the Hell Melter and you shall nd all the havoc you’ll ever need.
Operating Instructions
Connect your guitar to the INPUT jack of the Hell Melter and the OUTPUT
jack to your amp’s input. Plug in the included power supply and plug its
output plug into the Hell Melter’s power jack. Press the EFFECT footswitch
to ensure the red LED is lit, and the Hell Melter is ready.
A good starting point is to turn all the knobs (except for DRY LVL and GATE)
to their maximum positions and play the heaviest riffs you've got. Setting
all the EQ knobs to maximum, including MID FREQ, produces the uniquely
punchy “chainsaw” sound that has powered countless heavy bands.
Note: the original circuit that produced this sound used components
with wide tolerances, resulting in noticeable tone differences from unit
to unit. The Hell Melter can recreate many of these different tones with
slight tweaks near the maximum position of the MID FREQ knob.
POWER SUPPY REQUIREMENTS:
Voltage: 9VDC Current: 140mA Polarity: Center-Negative
This device comes equipped with an Electro-Harmonix 9.6DC-200 power supply. Use of the wrong adapt-
er or a plug with the wrong polarity may damage the device and void the warranty. Do not exceed 12VDC
on the power plug. Power supplies rated for less than 140mA can cause the device to act unreliably
Advanced Heavy Metal Distortion
- 2 -
1. DISTORTION Knob Adjusts the amount of distortion and saturation, from a
light grind to a roaring chainsaw. Turn clockwise for more distortion.
2. LEVEL Knob Adjusts the overall output level of the Hell Melter. Turn clockwise
for more output. More output is available than on the original ‘chainsaw’ circuit.
3. LOW Knob Provides active boost or cut to the bass frequency range. The middle
position leaves bass frequencies at.
4. MID LVL Knob Provides active boost or cut to the mid frequency, with the
frequency set by the MID FREQ knob. The middle position leaves mid frequen-
cies at.
5. MID FREQ Knob Adjusts the frequency boosted or cut by the MID LVL knob.
Turn the knob clockwise to increase the frequency.
Controls and Connections
- 3 -
6. HIGH Knob Provides active boost or cut to high frequencies. The middle posi-
tion leaves high frequencies at. Tip: the frequencies controlled by the HIGH
Knob are slightly lower than a typical ‘treble’ control, allowing you to produce
searing highs without a lot of treble harshness. To emphasize even higher
‘treble’ frequencies, turn the HIGH knob below the middle position, and increase
the LEVEL knob to re-emphasize treble.
7. NORM/BURN Switch Switches between “Normal” and “Burn” Modes:
Normal Mode The famous vintage chainsaw distortion sound.
Burn Mode A custom, modernized distortion sound, utilizing higher voltage
rails and alternative clipping options. This results in a less compressed and
more open distortion sound with a more pronounced attack.
8. GATE Mini Knob Removes unwanted hum by adjusting the noise oor thresh-
old. The gate mutes the OUTPUT jack when the signal at the INPUT jack is below
the threshold setting of the GATE knob. As GATE is turned clockwise, a louder
guitar signal at the INPUT jack is required to unmute the OUTPUT jack. Set GATE
fully counter-clockwise to disable.
Setting the GATE knob: Start with GATE fully counterclockwise, DIST above noon,
and your guitar volume at max. You may want to hold the strings so they don’t
ring out. Slowly turn GATE clockwise until the Hell Melter mutes. Now turn GATE
a little further clockwise and then test it. If you have to play with too much force
to unmute the gate, then turn GATE a little counter-clockwise. If you want the
gate to act more quickly at the end of notes, then turn GATE further clockwise.
9. DRY LVL Mini Knob Adds clean, undistorted input signal to the output. As the
knob is turned clockwise, the amount of dry signal increases. At the minimum
position, no dry signal is mixed into the output. Tip: this is especially useful to
maintain note clarity when stacking the Hell Melter with a dirty amp or another
gain pedal.
10. EFFECT Footswitch and Red LED This footswitch engages or bypasses the
effect. The LED lights when the effect is active. The Hell Melter employs high
quality buffered bypass.
11. BOOST Footswitch and Yellow LED This footswitch engages Boost Mode, add-
ing extra gain at the input of the circuit, and adjustable volume boost.
12. BOOST LEVEL Internal Trimmer This trimmer controls the additional volume
added when Boost Mode is active. To access it, remove the 4 screws on the back
plate of the Hell Melter, and locate the trimmer next to the BOOST Footswitch.
Taking care not to touch the rest of the circuitry of the board, turn this trimmer
clockwise using a small at-head screwdriver to increase the volume boost. At
the minimum position, Boost Mode provides no volume boost.
13. INPUT Jack Audio input to the Hell Melter.
14. OUTPUT Jack Audio output from the Hell Melter.
15. 9V Power Jack Attach the output plug from the included power supply to the
9V power jack. The Hell Melter draws 140mA at 9VDC on a center-negative plug.
Do not exceed 12VDC on the power jack. The Hell Melter does not take batteries.
WARRANTY INFORMATION
Please register online at www.ehx.com/product-registration or complete and
return the enclosed warranty card within 10 days of purchase. Electro-Harmonix
will repair or replace, at its discretion, a product that fails to operate due to
defects in materials or workmanship for a period of one year from date of pur-
chase. This applies only to original purchasers who have bought their product
from an authorized Electro-Harmonix retailer. Repaired or replaced units will
then be warranted for the unexpired portion of the original warranty term.
If you should need to return your unit for service within the warranty period,
please contact the appropriate ofce listed below. Customers outside the re-
gions listed below, please contact EHX Customer Service for information on
warranty repairs at [email protected]om or +1-718-937-8300. USA and Canadian cus-
tomers: please obtain a Return Authorization Number (RA#) from EHX Cus-
tomer Service before returning your product. With your returned unit, include
a written description of the problem as well as your name, address, telephone
number, e-mail address, RA# and a copy of your receipt clearly showing the
purchase date.
United States & Canada
EHX Customer Service
Electro-Harmonix
co New Sensor Corp.
47-50 33rd Street
Long Island City, NY 11101
Tel: 718-937-8300
Europe
John Williams
Electro-Harmonix UK
13 Cwmdonkin Terrace
Swansea SA2 0RQ
United Kingdom
Tel: +44 179 247 3258
Email: electr[email protected]om
This warranty gives a purchaser specic legal rights. A purchaser may have even greater rights depending upon
the laws of the jurisdiction within which the product was purchased.
The CE logo indicates that this product has been tested and shown to conform with all applicable
European Conformity directives.
The WEEE or “trashcan” logo indicates that this product is made up of electronic components that should not
be trashed alongside household waste but instead should be recycled by a proper electrical waste facility.
Notes and Specications
t Audio input impedance at INPUT jack: 1MΩ
t Audio output impedance at OUTPUT jack: 1kΩ
t Current draw: 140mA at 9VDC
t Maximum input signal level: +9dBu
t Bypass: Buffered
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