Grado RA1
 | Outdated Product Type: stationary; Headphone impedance (ohm): 100 – 600; Codec support: Level adjustment: wheel; RCA; Outputs: Headphone outputs: Outputs 6.35 mm (Jack): 1x Jack (6.35 mm); |
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stationary, headphone output: Jack 6.35 mm, Pentaconn 4.4 mm, 1200 мВт at 32 Ohm, 10 – 200000 Hz, signal/noise 121 dB
stationary, headphone output: Jack 6.35 mm, Pentaconn 4.4 mm, XLR, 7500 мВт at 32 Ohm, 1150 мВт at 300 Ohm, 100 – 100000 Hz, signal/noise 146 dB
stationary, headphone output: 16 — 600 Ohm, mini-Jack 3.5 mm, Jack 6.35 mm, Pentaconn 4.4 mm, 7500 мВт at 32 Ohm, 1150 мВт at 300 Ohm, 10 — 100000 Hz, signal/noise 139 dB
stationary, tube, DAC: Cirrus Logic CS4392, 384 kHz, 32 bit, headphone output: 16 – 600 Ohm, mini-Jack 3.5 mm, Jack 6.35 mm, 190 мВт at 32 Ohm, signal/noise 110 dB
stationary, headphone output: 32 – 600 Ohm, Jack 6.35 mm, 500 мВт at 32 Ohm, 20 – 50000 Hz
Bluetooth-amplifier, stationary, DAC: AK4493S, 384 kHz, 32 bit, headphone output: 16 – 300 Ohm, Jack 6.35 mm, Pentaconn 4.4 mm, 2440 мВт at 32 Ohm, 280 мВт at 300 Ohm, 20 – 20000 Hz, signal/noise 120 dB
stationary, headphone output: 30 – 600 Ohm, Jack 6.35 mm, 500 мВт at 32 Ohm, 20 – 20000 Hz, signal/noise 90 dB
Bluetooth-amplifier, stationary, DAC: 48 kHz, 16 bit, headphone output: 16 – 600 Ohm, Jack 6.35 mm, Pentaconn 4.4 mm, 1600 мВт at 32 Ohm, 196 мВт at 300 Ohm, 2 – 20000 Hz
Bluetooth-amplifier, stationary, DAC: 768 kHz, 32 bit, headphone output: 16 – 300 Ohm, mini-Jack 3.5 mm, 700 мВт at 32 Ohm, 125 мВт at 300 Ohm, 20 – 20000 Hz, signal/noise 120 dB
stationary, headphone output: 32 – 300 Ohm, Jack 6.35 mm, Pentaconn 4.4 mm, 3500 мВт at 32 Ohm, 760 мВт at 300 Ohm, 10 – 100000 Hz
stationary, headphone output: Jack 6.35 mm, Pentaconn 4.4 mm, 3500 мВт at 32 Ohm, 760 мВт at 300 Ohm, 10 – 100000 Hz, signal/noise 144 dB
stationary, DAC: AK4493S, 384 kHz, 32 bit, headphone output: 16 – 300 Ohm, Jack 6.35 mm, Pentaconn 4.4 mm, 2440 мВт at 32 Ohm, 280 мВт at 300 Ohm, 20 – 20000 Hz, signal/noise 120 dB
stationary, headphone output: 32 – 300 Ohm, Jack 6.35 mm, Pentaconn 4.4 mm, 3400 мВт at 32 Ohm, 367 мВт at 300 Ohm, 20 – 40000 Hz
stationary, DAC: 384 kHz, 32 bit, headphone output: 16 – 600 Ohm, mini-Jack 3.5 mm, Jack 6.35 mm, 190 мВт at 32 Ohm, signal/noise 110 dB
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E-Catalog UK editor, Headphone Amplifiers
Olexandr Cherkashche…, edited 22.05.2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Grado 2026 - new arrivals, bestsellers, and the most relevant models Grado.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Grado 2026 - new arrivals, bestsellers, and the most relevant models Grado.
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