Sidebar 2: Boulder 2108 Specifications
Description: Solid-state phono preamplifier with separate power supply. Inputs: Three pairs balanced, convert to unbalanced. Outputs: Two pairs balanced, convert to unbalanced. Input impedance (maximum): MC: 1000 ohms, MM: 47k ohms. Resistive and capacitive loading adjustable on individual Personality Cards. Output impedance: 100 ohms balanced. Phono equalization: RIAA, FFRR (London/Decca), EMI, Columbia. Frequency Response (RIAA): 20Hz–20kHz, ±0.10dB. Channel separation, L–R or R–L: 100dB or better, 20Hz–20kHz. Maximum output level: 28V RMS. THD: 0.005% (1kHz gain, RIAA: MC: 70 or 60dB, MM: 50 or 40dB). Noise (EIN), MC: 160µV A-weighted, 275µV flat (20Hz–20kHz). Power consumption: 75W maximum.
Dimensions: 18" (457mm) W × 5.04" (128mm) H × 16" (406.4mm) D. Weight (phono preamplifier): 37lb (16.8kg); shipping: 51lb (23.2kg). Weight (power supply) 48lb (21.8kg); shipping: 69.5lb (31.6kg).
Serial number of review sample: 12213, manufactured in the USA.
Price: $52,000.
Manufacturer: Boulder Amplifiers Inc. 255 South Taylor Ave. Louisville, CO 80027 Tel: (303) 449-8220 Web: boulderamp.com.
Dimensions: 18" (457mm) W × 5.04" (128mm) H × 16" (406.4mm) D. Weight (phono preamplifier): 37lb (16.8kg); shipping: 51lb (23.2kg). Weight (power supply) 48lb (21.8kg); shipping: 69.5lb (31.6kg).
Serial number of review sample: 12213, manufactured in the USA.
Price: $52,000.
Manufacturer: Boulder Amplifiers Inc. 255 South Taylor Ave. Louisville, CO 80027 Tel: (303) 449-8220 Web: boulderamp.com.
