LESLIE SPEAKER MODEL 771
High-Power Solid-State Amplifier Version of Classic Tube Amplifier
Models
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A High-Power Alternative to a
Tube Amplifier Leslie
The Hammond organ and Leslie speaker are synonomous with classic Rock, Blues, Jazz ,
Gospel, Country and other music styles. However, some live-music situations require a
higher power alternative due to many factors, including proximity to other high volume
amplifiers, lack of stage monitor equipment, etc. The 771 was specifically designed for
use with new Hammond XB Series organs and the XB-2 Keyboard. It offers the professional or
church musician a true high power Leslie option when more power is required a single
Leslie cabinet, and similar sound and operation to the classic 147/122 series speaker is
desired. Equipped with a 90 watt Bass Amplifier and 50 watt horn amplifier, the 771 has a
total power handling capability of 150 watts RMS, as compared to the 40 watt RMS rating of
a 122 or 147 tube amplifier.
Any Similarities Between the 771 and the 122/147
Series are Purely Intentional
The 771 was specifically designed to model the sound and operation of a classic 122 or
147 Leslie to the greatest extent possible. The 771 cabinet is identical to the 122 Series
and 147A cabinet, and it’s 60 watt horn driver, 100 watt 15″ woofer, motor operation,
etc. are essentially similar, as are the original design upper rotating horn and lower
rotating rotor.
Perfect for early Hammond Organs when higher power is
required
The Leslie Model 771 is equipped with an 11-pin connector, but can easily be used with
older Hammond organs including models B-3, C-3, A-100, and most other was console and
spinet models when used in conjunction with a Leslie Connector Kit. Additional information
on Leslie Connector Kits can be found elsewhere in our On-Line Catalog of parts, equipment
and services.
Use with Keyboards or other 1/4″ devices
Any 1/4″ output device (Keyboard, MIDI Module, etc.) can be played through 
a 122 Series, 147 Series or most
6, 9, and 11-pin Leslie Models with the addition of a Trek Model UC-1A Pedal Preamp.
The Pedal Preamp has 1/4″ input and Leslie cable output, and
“Stomp” style footswitch control of Leslie motor switching. Specific Pedal
Preamp details and specifications are contained elsewhere in our On-Line Catalog.
Contact GOFF Professional for parts and service, or for complete new and
rebuilt Leslie’s. We can also customize a complete organ and Leslie touring or church
package for your special needs.
SPECIFICATIONS – LESLIE 771
- True Mechanical Rotating Upper Horn / Rotating Bass Rotor as in the 122 / 147 Series
- Solid-State amplifier- Bass – 90 watts RMS; Horn – 50 watts RMS
- 8 Ohm Upper Speaker (Driver), rated at 60 watts
- 15″, 8 Ohm Woofer, Long-throw – Rated at 100 watts
- Two-Speed Operation for Chorale (Slow), Tremolo (Fast); “Off” available on
some models
when used in conjunction with some new Hammond organs - Power – 120 VAC, 60 hz, or 220 VAC, 50 hz versions available
Leslie 771 Ordering Information
- 771 – Walnut Cabinet, 11-Pin Leslie Connector for Direct Plug-In to Hammond XB series
organs and Hammond XB-2 Keyboard, new 11-pin 30′ Leslie cable included
- NOTE: Leslie Connector Kits are available which allow the use of the Leslie 771 with
most early tonewheel generator and newer Hammond organs. Depending upon specific organ and
Leslie models, separate channel mixing and selection may or may not be available.A
Pedal Preamp will allow the Leslie 771 and most other 6, 9 and 11-pin Leslie models to be
used with any keyboard or other 1/4″ device, however no provision is made for
separate channel mixing or selection in multi-channel models.Some Leslie models are especially suited for certain Hammond Organ models. Some early
Model Leslie’s cannot be easily connected to Hammond organs or other manufacturers organs
or keyboards. Email or call GOFF Professional with your specific needs.
LESLIE 771
H 41 5/8″ W 29 1/4″ D 20 5/8″
Weight 149 lbs.
MANUFACTURED BY:
Authorized Dealer:
GOFF Professional
175 Costello Rd.
Newington, CT 06111 U.S.A.
(860) 667-2358 Phone
(860) 667-3523 FAX
E-Mail for information:
[email protected]
GOFF Professional reserves the right to
change prices, specifications, designs, models, equipment and to discontinue products and
services without notice and without liability. The information contained herein is
strictly for general information only. No guarantee of accuracy is expressed, nor does
anything contained herein constitute any promise or contractural obligation.
HAMMOND Organ and Leslie are trademarks of
HAMMOND-SUZUKI.
REV.8.24.00