Boulder 3010 Specifications:
BALANCED INPUTS
6 via 3-pin XLR
BALANCED OUTPUTS, DUAL
3 via 3-pin XLR
AUXILIARY BALANCED OUTPUT
1 via 3-pin XLR
MAXIMUM INPUT LEVEL
7 Vrms
MAXIMUM OUTPUT LEVEL
28 Vrms
THD+N, 2V OUTPUT, 20 HZ TO 5 KHZ
0.0008% (-102 dB)
THD+N, 2V OUTPUT AT 20 KHZ
0.001% (-100 dB)
MAXIMUM VOLTAGE GAIN
20 dB
VOLUME RANGE
100 dB
VOLUME STEPS
0.1, 0.5, 1.0 dB ± 0.01 dB
AUXILIARY PATH GAIN
-1 dB
FREQUENCY RESPONSE, 20 HZ TO 5 KHZ
+0.00, -0.03 dB
FREQUENCY RESPONSE, -3 DB
0.02 Hz & 300 kHz
INPUT IMPEDANCE
333kΩ, Balanced
OUTPUT IMPEDANCE
100Ω, Balanced
POWER REQUIREMENTS
90-120V / 200-240V, 50 – 60 Hz
POWER CONSUMPTION
240W Maximum
PREAMPLIFIER CHASSIS DIMENSIONS
19” (48.25 cm) W x 18” (45.75 cm) D x 9.25” (23.5 cm) H
PREAMPLIFIER CHASSIS WEIGHT
78 lbs. (35.4 kg)
POWER SUPPLY CHASSIS DIMENSIONS
19” (48.25 cm) W x 18” (45.75 cm) D x 5.1” (13 cm) H
POWER SUPPLY CHASSIS WEIGHT
45 lbs. (20.4 kg)
SHIPPING DIMENSIONS
27” (68.6 cm) W x 33” (83.8 cm) D x 26” (66.1 cm) H
Please find reviews below:
http://boulderamp.com/products/3010-preamplifier/
BOULDER 3010 Preamplifier and 2108 Phono Stage review in ” The Absolute Sound ” Magazine, August 2020
http://www.theabsolutesound.com/articles/boulder-3010-preamplifier-and-2108-phono-preamplifier/







