Electro-Harmonix Slap-Back Echo User manual
Congratulations on your purchase of the Slap-Back Echo delay pedal! The Slap-Back
Echo is a modern day update of the rare and classic Electro-Harmonix Slap-
Back Echo from 1978. A Gain knob, Blend knob, and Time switch allow you to
tailor the Slap-Back’s all-analog echo to enhance your tone from subtle
doubling to intense bathtub reections. The compact size allows it to easily
squeeze onto crowded pedalboards.
Analog Echo
POWER SUPPY REQUIREMENTS:
Voltage: 9VDC Current: 15mA Polarity: Center-Negative
This device comes equipped with an Electro-Harmonix 9.6DC-200 power supply. Use of the wrong adapter
or a plug with the wrong polarity may damage the device and void the warranty. Do not exceed 10.5VDC
on the power plug. Power supplies rated for less than 25mA can cause the device to act unreliably
- 2 -
Controls and Connections
1. GAIN Knob The GAIN knob boosts your dry signal before it hits the
BLEND knob and echo circuitry. As you turn GAIN clockwise, your signal
gets louder. The GAIN knob increases your signal level by up to 20dB,
which is handy for added volume during solos and important riffs.
2. BLEND Knob The BLEND knob controls the wet/dry mix at the
output jack. With the knob fully counterclockwise, the signal is 100%
dry. Set the knob fully clockwise and your output is all echo. Please
note: the dry and wet signals are both boosted by the GAIN knob.
The output signal is boosted even with BLEND set to 100% dry.
3. TIME Switch The TIME switch allows you to select between three
different delay times:
UP: 100ms
MIDDLE: 65ms
DOWN: 45ms
4. FOOTSWITCH and STATUS LED The footswitch engages or bypasses
the effect. The Status LED lights when the effect is engaged. The LED
is off in bypass mode. The Slap-Back Echo employs True Bypass.
5. INPUT Jack Audio input to the Slap-Back Echo.
6. AMP Jack Audio output from the Slap-Back Echo. In bypass mode,
the AMP jack is directly connected to the INPUT jack and nothing else.
7. 9V Power Jack Attach the output plug from the included power
supply to the 9V power jack. The Slap-Back Echo draws 15mA at 9VDC
on a center-negative plug. Do not exceed 10.5VDC on the power jack.
Operating Instructions
Connect your guitar to the INPUT jack on the Slap-Back Echo and the
AMP jack to your amp’s input. Plug in the included power supply and
insert its output plug into the power jack. Press the footswitch to
ensure the Status LED is lit. Your Slap-Back Echo is now ready to go.
For a quick starter setting, set the controls to the following:
GAIN: 9 o’clock BLEND: 11 o’clock
TIME: Upper position
- 3 -
Notes and Specications
t Audio input impedance at INPUT jack: 220KΩ
t Audio output impedance at OUTPUT jack: 7KΩ
t Current draw: 15mA
t Power Supply: 9VDC, Center-negative polarity
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.
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