
AA.1 - Amplifier Attenuator
Overview
The missing link between guitars, guitar pedals,
and your Eurorack gear.
L and R OUT +18 dB: Designed
to patch into Eurorack inputs.
Signal source is STEREO IN.
Signal gain is +18dB.
L
R
STEREO IN
OUT
+18
dB
®
STEREO IN: Amplifies Guitar Level
signals by +18dB. Tip is routed to
L OUT, Ring is routed to R OUT.
For mono signals, use L OUT.
L and R IN: Attenuates Eurorack
level signals by -18dB.
Connectors
+12V: 10mA max
-12V: 10mA max
+12V
GND
GND
GND
-12V
+5V: 0mA max
Located on the right side,
center of PC board
L
-18
IN
dB
R
L
OUT
L and R OUT: Designed to patch
into Guitar Level Products.
R
Signal source is L and R 1/8” IN.
Signal attenuation is -18 dB.
pg 2

AA.1 - Amplifier Attenuator
RIGHT IN
LEFT IN
9VDC
+
-
RIGHT OUTLEFT OUT
RIGHT IN
LEFT IN
9VDC
+
-
RIGHT OUTLEFT OUT
Setup Examples
1 2
Mono Guitar Stereo Input
®
T
S
STEREO IN
L
+18
OUT
dB
R
L
-18
IN
Mono TRS
dB
R
T
R
S
Tip is routed to
L
left out, ring is
routed to the
OUT
R
right out. For
mono signals,
use left out.
L
R
L
R
L
R
STEREO IN
OUT
IN
OUT
+18
dB
-18
dB
3
Out to Pedal
LEFT IN
RIGHT IN
STEREO IN
RIGHT OUTLEFT OUT
9VDC
+
-
L
+18
OUT
dB
R
L
-18
IN
dB
R
L
OUT
R
pg 3

AA.1 - Amplifier Attenuator
Setup Examples (cont.)
4
Eurorack Insert
®
Eurorack
Module 1
IN
L
R
OUT
L
R
L
R
L
R
L
R
STEREO IN
OUT
IN
OUT
Eurorack
Module 2
+18
dB
-18
dB
LEFT IN
RIGHT IN
RIGHT OUTLEFT OUT
9VDC
+
-
IN
L
R
OUT
L
R
pg 4

AA.1 - Amplifier Attenuator
Specifications
Amplifier:
• Gain: +18 dB
• Max Input Level (before soft clipping): 2.25 Vpp
• Max Output: 18 Vpp
• Input Impedance: 1 MOhm
• Output Impedance: 1 kOhm
• Dynamic Range: 20Hz – 20kHz, +/- 1dB
Attenuator:
• Gain: -18 dB
• Max Input Level (Nominal): 20 Vpp
• Max Output Level (Nominal): 2.5 Vpp
®
• Input Impedance: 8 kOhm
• Output Impedance: 880 Ohms
• Dynamic Range: 20Hz – 20kHz, +/- 1dB
Power:
• +12V rail: 10 mA
• -12V rail: 10 mA
• +5V rail: 0 mA
Dimensions:
• Rack Width: 4hp
• Rack Depth: 38mm, 1.5”
pg 5

AA.1 - Amplifier Attenuator
Questions?
For additional help with setup please visit strymon.net/support/aa1 or email us at support@strymon.net.
STRYMON NON-TRANSFERRABLE LIMITED WARRANTY
Warranty
Strymon warranties the product to be free from defects in material and workmanship for a period of two (2)
years from the original date of purchase when bought new from an authorized dealer in the United States of
America or Canada. If the product fails within the warranty period, Strymon will repair or, at our discretion,
replace the product at no cost to the original purchaser. Please contact your dealer for information on warranty
and service outside of the USA and Canada.
Exclusions
This warranty covers defects in manufacturing discovered while using this product as recommended by
Strymon. This warranty does not cover loss or theft, nor does the coverage extend to damage caused by
misuse, abuse, unauthorized modification, improper storage, lightning, or natural disasters.
®
Limits of Liability
In the case of malfunction, the purchaser’s sole recourse shall be repair or replacement, as described in the
preceding paragraphs. Strymon will not be held liable to any party for damages that result from the failure of
this product. Damages excluded include, but are not limited to, the following: lost profits, lost savings, damage
to other equipment, and incidental or consequential damages arising from the use, or inability to use this
product. In no event will Strymon be liable for more than the amount of the purchase price, not to exceed the
current retail price of the product. Strymon disclaims any other warranties, expressed or implied. By using the
product, the user accepts all terms herein.
How to Obtain Service Under this Warranty
For North American customers: Contact Strymon through our website at strymon.net/support for Return
Authorization and information. Proof of original ownership may be required in the form of a purchase receipt.
For International Customers: Contact the Strymon dealer from which the product was purchased from in order
to arrange warranty repair service.
REV A - 03.30.2018
pg 6