Phonostages — Lamm Industries LP1 Signature Phono

Name: LP1 Signature Phono
Brand: Lamm Industries
Rating: 100 (1 reviews)

Description, images, technical data and specifications

Lamm Industries LP1 Signature Phono
Image source — © Lamm Industries

Three-block phono corrector-preamp Lamm LP1. Dual mono tube preamp with two separate neutral power sources equipped with full-wave vacuum rectifiers, choke filters, high-voltage vacuum lamp regulators, solid-state analog non-switchable low voltage regulators used as heater power sources. Lamp set: two-6C3P (6C3P), two-6C45P (6C45P) and (phono corrector); four-12AX3/12 BE3, two-6C19P (6C19P), two-6AK5, two-5651A (power supply).

Specifications

Model name
LP1 Signature Phono
Inputs (balanced)
N/A
Inputs (single-ended)
1 MM + 2 MC
MC current-sensing input impedance (Ω)
31.5 (MC1) + 430 (MC2) + 47 000 (MM)
MM/MC voltage input impedance (Ω)
N/A
Output impedance (Ω)
N/A
Gain (dB)
N/A
Playback EQ curves accuracy (dB)
N/A
Frequency response low +/- 3dB (Hz)
20
Frequency response high +/- 3dB (Hz)
20 000
Total Harmonic Distortion + Noise (%)
N/A
Dimensions (mm)
11.4 × 48.2 × 35.2
Weight (kg)
16.7
Official link
https://www.lammindustries.com/products/lp1-signature/

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A tube phono corrector, assembled according to the principle of double mono. RIAA correction is passive, on high–quality elements with minimal tolerances. There is no general negative feedback. The amplification stages are based on unique 417A/5842 lamps manufactured by Western Electric, which have high steepness characteristics.