Crate G 20 Manual Schematic

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-2-O AMPLIFIE

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CRATE 3.29 AMPLIFIER

We would like to take this opportunity to thank
you for selecting a Crate product, and to advise
you of our commitment to the design and
manufacture of only the finest musical
instrument amplification equipment; built for
you. the musicians.

You have purchased one of the most innovative
sound amplification devices available today.
Your Crate amplifiergives you more performance
features than ever before. features that you the
musician have asked for.

Your Crate amplifier is an American product
manufactured at the Crate factory located in St
Louis. Mo. Only the finest available components
and materials are used in the manufacture of each
Crate amplifier.

All Crate amplifiers are subjected to seven or
more inspection and testing steps to assure you
of a high quality product. The final test for each
amp is conducted by a trained musician with the
instrument the amplifier was designed for. Any
Crate that does not meet the standards of his
discriminating ear will not be passed.

Since all Crate products are designed.
developed. and manufactured through the co-
operative efforts of engineers and professional
musicians. the end result is a product that
responds to the mustcian's audio requirements.
and a product that will serve your needs for years
to come

- LIMITED WARRANTY _

SLM Electronics warrants this produa to be free of defects in material and workman
ship for a period of one (1) year from the original date of purchase to the original
puchaser and is not tramferabie. Speakers. tubes. and meters carry a ninety (90) day
warranty. This warranty is subiect to the conditions, exclusions. and imitations
hereinafter set forth.
Excluded froth this warranty are defects caused by wear and tear, misuse. neglect.
alterations and modifications. or act of nature. Such determinations wil be made by
SLM Electronics. Warrarsy is also void it

a The original retail purchase is not made from an Authorized Crate or Audio

Centron dealer:

bx The serial number affixed to the product is altered. defaced or removed.
Al parts com will be borne by SLM Electronics within thewarranty period. Labor costs
ml be covered within the warranty period occurring to rate schedules estabished by
SLM Electronics. Wuranty service may be done by SLM Electronics or an SLM
Authorized Field Service Center Tiansportation charges involved In warranty service
are the sole respotsbiity of the purchaser.
SLM Electronics warrams speakers to be free from defects in material and workman-
ship for a period of ninety (90) days from original date of purchase. Speaker warranty
Will be subject to inspection of speaker by SLM Electronics or SLM Authorized Field
Service Center. Obvious overpowering will result in warranty demel. Realizing speak-
ers can be overloaded causing failure. sm Electronics wil replace the speaker with a
speaker of some or equal type at a price one~half the then current suggested retail
price of the new speaker for life. regardless of reason.
Warranty repairs may be handled by your authorized dealer, authorized SLM Service
Center. or SLM Electronics. All units being returned to SLM Electronics must be
mompanied with a detailed description as to needed repairs. a copy of the original
sales receipt. and an SLM Electronics return authorization. SLM Eledronica reserves
the nght to repair or replace this piece of equipment at their option.
SLM Electronics is not iabie for any incidental or consequential damages resulting
from any defect or failure of this Instrument other than the repair of the SLM Elec-
tronics product subject to the terms of this warranty. This limited warranty gives you
specific legal rights. and you may have other rights which vary from state to state. This
warranty is expresoiy in lieu of all other agreements and warranties, expressed or
impiad. except as may be otherwise required by law.

SLM ELECTRONICS avision of ST. LOUIS MUSIC
00 Ferguson Ave-St. Louis. MO 63133

DETAILED SPECIFICATIONS:

OUTPUT
POWER RATING

20 Watts FIMS @ 5% THD
4 Ohms-120 VAC line)

120 VAC. 60 Hz.

Input Power
60 Watts Max

Requirements

SPEAKER SIZE

12" Die Specual Design 4 Ohm.

Fuse, Rating 1 Amp, Fast Acting.

G RATING 1" Alum. voice conl. 10 oz mag Power and Type internal
Handling, 30 Watts RM5. 60 Watts EIA
BASS 12 d8 Boost @ 80 Hz. Line Out Jack 2 Volts peak to peak
CONTROL (600) Hz action Pt ) @ fuIl rated RMS output
MID 8 dB Boost @ t KHz Headphone Jack Headphones Mode: 5 to 600 Ohms
CONTROL nominal drive range
BRIGHT 8 dB @ 5 KHz Ext. Speaker Extensmn Speaker: 2 to 16 Ohms
SWITCH (SdB @ lKHz) Jack nominal load acceptanceseries
operation
TREBLE 12 dB Boost @ 10 KHz Cabinet Size 17-3/4" H x 17-3/4" W x 9-1/2" D
CONTROL (1500 Hz. action pi.) and Weight 25 Lbs.
:MEEBANCE 220K Ohms To reduce the risk of electric shock, do not

remove chassis. No user serviceable parts

MAXIMUM SIGNAL 10 Volts. peak to peak
LEVEL ACCEPTED

inside. Refer servicing to qualified service

CAUTION: personnel. To reduce the risk of fire or electric

TOTAL 70 dB-With All Tones

shock. do not expose this appliance to rain
or moisture.

SVSTEM GAIN @ "Flat or "0" setting
SIGNAL T0 70 dB-wnth all Gains/Levels . .
NOISE RATIO @ mid rotation. all tones @ full 7° feduce "6 "5k 0' '"e- replace only

boost. Bright On". Reverb "0"

with same type 1 amp 250V. normal blow 3A6
CAUT'ON' fuse. Disconnect line cord before

specifications subject to
change wtthout notice

replacing fuses.