Crucial Audio Apollo 18 User manual

OPERATING INSTRUCTIONS
Crucial Audio llc®
OCT, 2015
APOLLO18_MANUAL Rev A
Vacuum Tube Interface Module

IMPORTANT: R AD ALL INSTRUCTIONS B FOR OP RATING THIS UNIT!
Table of Contents
IMPORTANT: READ ALL INSTRUCTIONS BEFORE OPERATING THIS UNIT!..............................................2
Table of Content ............................................................................................................................................... 2
CAUTION NOTES........................................................................3
Your Apollo-18 Vacuum Tube Interface Module...........................3
Product Feature ..........................................................................3
Top Panel Function .....................................................................4
Side Panel Function ....................................................................5
Right Side Panel...........................................................................5
Left Side Panel..............................................................................6
Specification ................................................................................7
Maintenance ................................................................................8
Product Support & Contact Information........................................8
Apollo-18 Sy tem Limited Warranty..............................................9

CAUTION NOT S
TO PREVENT DAMAGE, FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT
TO RAIN OR MOISTURE.
NO USER SERVICEABLE PARTS INSIDE, REFER SERVICING TO QUALIFIED
PERSONNEL ONLY.
Your Apollo-18 Vacuum Tube Interface Module
Congratulation and Thank You for purcha ing The Apollo-18 by Crucial Audio llc ®. The Apollo-18 a high-
voltage vacuumt tube interface module. It i de igned to provide an interface for two channel of high-
impedance line level input to a Le lie® 122 or 147 type rotary peaker. The Apollo-18 al o provide Volume
control for each input, Ba , Middle & Treble control , Speed & Stop motor witche , Channel 2 Mute
function, high-impedance ¼' output, and two channel of balanced low-impedance (pre-Volume/pre-EQ) XLR
output . Plea e, refer to the following ection for operational and maintenance information.
Product Features
ANODIZ D XTRUD D ALUMINUM NCLOSUR .
SP D, STOP & MUT FUNCTION SWITCHING.
DUAL 12AX7 VACUUM TUB S.
L SLI ® 122 OR 147 TYP INT RFAC ..
TR KII® IS-122 & IS-147 R LAY COMPATIBL
TWO CHANN L LOW IMP DANC BALANC D OUTPUTS
DUAL CHANN L INPUT WITH 3-BAND Q.
TWO HIGH IMP DANC 1/4” INPUT JACKS.
HIGH IMP DANC 1/4” OUTPUT JACK.
LOW NOIS D SIGN.
CAN B US D AS A STAND ALON TUB PR AMP.
1 Y AR LIMIT D WARRANTY.
L SLI ® IS A R GIST R D TRAD MARK OF HAMMOND SUZUKI USA.
TR KII® IS A R GIST R D TRAD MARK OF TR KII PRODUCTS, INC.
CRUCIAL AUDIO® LLC IS NOT AFFILIAT D WITH HAMMOD SUZUKI USA OR TR KII PRODUCTS INC.

Top Panel Functions
VOLUME 1: Adju t amplitude for Input 1' ignal. (direct/balanced low impedance output i pre volume).
VOLUME 2: Adju t amplitude for Input 2' ignal. (direct/balanced low impedance output i pre volume).
TREBLE: Adju t high-frequency amplitude to high-Impedance and rotary peaker output .
MIDDLE: Adju t mid rang frequency amplitude to high-Impedance and rotary peaker output .
BASS: Adju t low-frequency amplitude to high-Impedance and rotary peaker output .
MUTE CH2 SWITCH: Mute Channel 2 input ignal to the high-Impedance and rotary peaker output , but
not the direct/balanced low impedance output.
STOP SWITCH: Control STOP motor function to rotary peaker via motor brake witch cable, or
TrekII® Product EIS relay upgrade.
SPEED SWITCH: Control SPEED motor function to rotary peaker via 6 pin rotary peaker cable.
LEDS:
MUTE CH2 LED (red): Indicate Channel 2 Mute function i engaged.
STOP LED (red): Indicate STOP function i engaged.
SPEED LED (amber/gree ): Indicate SPEED function, Amber = low; Green = Fa t.

Side Panel Functions
Right Side Panel
BALANCED OUT 1: Pre-Volume Vacuum Tube Balanced Low-Impedance Out for Input 1 (pin 2 = po itive).
BALANCED OUT 2: Pre-Volume Vacuum Tube Balanced Low-Impedance Out for Input 2 (pin 2 = po itive).
GND LIFT SWITCH: I olate balanced output ' cha i ground, to reduce potential ground loop .
HI-Z OUT: Thi unbalanced ¼” jack provide a high impendance output ignal to your amplifier, mixing
con ole, or other effect unit .
IN 1: Unbalanced, high impedance ¼” input i optimized for electronic keyboard line or intrument level
output . The output level i controlled by Volume 1.
IN 2: Unbalanced, high impedance ¼” input i optimized for electronic keyboard line or intrument level
output . The output level i controlled by Volume 2.

Left Side Panel
POWER SWITCH: Main AC power witch. Switch to the “up” po ition to turn power on.
FUSE HOLDER: Main power fu e, make ure to replace with ame type and value to prevent damage,
injury or fire. Fu e = T3A 3AGC
6-PIN CONNECTOR: For u e with Leslie® 122 142 or 145 147 Type peaker.
WARNING!!! - Make ure to align ix-pin connector with center alignment mark. The
protro ion or center mark mu t be aligned between Le lie® Connector' Pin 1 & 6.
U e only with pecified/configured rotary peaker. Damage or injury could occur if
connected to a non- pecified model. See unit' pecific left ide panel for
configuration type. Leslie® i a regi tered trademark of the Hammond Suzuki USA.
Crucial Audio® i not affiliated with the Hammond Suzuki USA.
STOP: Thi high-current 2 po ition Hi-Rose® connector provide a witched relay for the
Leslie® 5-pin top motor acce ory connector. The Crucial Audio® STOP cable
a embly required for thi option. The STOP function can al o be configured for
TrekII® EIS Relay system ( pecify configuration at time of order). Thi option doe n't
require an extra cable, and provide STOP function via the tandard 6-Pin connector.
Plea e, note when u ing the EIS relay option that there i a 'learning mode'. The
Apollo-18 mu t be et to SLOW peed after initial warm up, and before the EIS relay
can recognize the STOP function. TrekII® i a regi tered trademark of the Trek II
Products, Inc. Crucial Audio® i not affiliated with TrekII Products, Inc.
AC POWER CABLE: 3-Pin Grounded AC Cable for US dome tic power. Export option are available.
Plea e, pecify at time of order.

Specifications
Model Apollo-18
Power Requirement 115Vac 360 Wva
Input Impedance 220 KΩ
Maximum Input Level 0 dBv
Maximum Output Level 0 dBv
Frequency Response 20Hz to 20kHz < -3dBv Pass Band Attenuation
Noise Floor -100dBv (typ)
Vacuum Tubes Two 12AX7A Valves
Footswitch Three Heavy Duty chassis mounted footswitches
Dimensions
Height 4 in 10.16 cm
Width 6 in 15.24 cm
Length 10 in 20.32 cm
Weight 4.5 lbs 2.04 kg
Product Specifications are typical and subject to change without notice.

Maintenance
Your Apollo-18 i de igned to be relatively low maintenance and durable. From time to time, it will become
nece ary to replace the two (2) 12AX7A vacuum tube . Thi i a routine ta k, and Crucial Audio llc
recommend that thi only be performed by qualified per onnel. Dangerou voltage may be pre ent on the
circuit board (even if the unit i unplugged from it power adapter), and the gla vacuum tube are fragile
and can hatter. Plea e, refer tube replacement to a qualified and authorized technician.
Product Support & Contact Information
Plea e, refer all technical upport inquirie to Crucial Audio Cu tomer Support. Product information,
Frequently A ked Que tion , and other information can be found online at www.crucialaudio.com
Contact Information
Crucial Audio LLC
PO BOX 277
Dagsboro, Delaware 19939
Tel/Fax [phone]
Email [email protected]
URL www.crucialaudio.com
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Apollo-18 System Limited Warranty
Crucial Audio LLC warrant that the Crucial Audio product you have purcha ed hall be free of any defect in
part and workman hip if u ed under normal operating condition for a period of one (1) year from the date of
purcha e, except that vacuum tube , cable , and other included acce ory product are warranted for ninety
(90) day from date of purcha e. Thi warranty hall run to the original purcha er or le ee when purcha ed
or lea ed from an Authorized Crucial Audio Dealer and any tran feree of a retail purcha er. IMPORTANT:
PLEASE RETAIN YOUR SALES RECEIPT OR LEASE AS IT IS YOUR PROOF OF PURCHASE COVERING
YOUR LIMITED WARRANTY. IF YOU WANT TO TRANSFER THE WARRANTY TO A SUBSEQUENT
PURCHASER OF THE PRODUCT YOU MUST ENDORSE THE SALES RECEIPT TO SUCH SUBSEQUENT
PURCHASER. THIS LIMITED WARRANTY IS VOID WITHOUT SUCH SALES RECEIPT OR LEASE.
Defective part pre ented during the applicable warranty period with proof of purcha e will be repaired or
replaced without charge if the complete product i returned to any Authorized Crucial Audio Electronic
Service Center within the country it wa purcha ed. Any repair or ervice performed by any per on or entity
other than an Authorized Crucial Audio Electronic Service Center i not covered by thi limited warranty.
Tran portation co t are not included in thi limited warranty.Thi limited warranty become void if the erial
number on any product i defaced or removed, or the product ha been damaged to alteration, mi u e,
accident, or neglect; or the product ha been repaired or erviced by per on not authorized by Crucial Audio.
THE FOREGOING CONSTITUTES THE ONLY WARRANTY MADE BY CRUCIAL AUDIO WITH RESPECT
TO THE PRODUCTS AND IS MADE EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR
IMPLIED. Any implied warrantie , including without limitation, any implied warrantie of duration of thi limited
warranty. Some tate do not allow limitation on how long an implied warranty la t , o the above limitation
may not be applicable to you. Thi warranty applie only to product purcha ed and erviced within the U.S.A
and Canada.
EFFECTIVE DATE: OCTOBER 1, 2015
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