HA-243 – Overview
The Rolls HA243 is a high powered headphone amplifier with four 1/4″ and 1/8″ (3.5mm) headphone outs. The HA243 features an A-B switch for each channel to monitor either the A or B input with the flick of a switch!
Please note! Plugging a mono 1/4″ or 1/8″ TS plug into the Headphone Outputs on the front or rear of the HA243 will cause permanent damage to the unit because one side would be shorted to ground. Never plug a mono plug into ever plug a mono plug into any of the Headphone Outputs.
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Features:
- 4: 1/4″ TRS Headphone Outputs with Level Control.
- With the new JRC3414 I.C.’s it has plenty of gain!!!
- 1/4″ , 3.5mm and RCA A and B Inputs.
- Switchable mono or stereo for both A and B inputs
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Specifications:
- Input Impedance: 10K Ohms unbalanced
- Max Input Level: +26 dBV
- Input Connectors: RCA, 1/4″ and 3.5mm for both A and B inputs
- Outputs: 4: 1/4″ TRS Stereo jacks; 4: 1/8″ (3.5 mm) TRS Stereo jacks
- Max Gain: 20 dB/Channel
- Output Power: 326 mW/side, 652 mW/Channel ( @ 62 Ohms )
- Frequency Response: 20 Hz – 20 kHz +/- 3 db
- S/N Ratio: 92 dB
- THD: .008%
- IMD: .008%
- Phase Shift (In to Out): less than 10 deg.
- Slew Rate: 2 V per microsecond
- Crosstalk: – 65 dB
- Power VDC
- Weight: 1.6 lbs
- Size: 6.75″ x 1.75″ x 4.75″
- Headphone impedance: 8 Ohms to 1000 Ohms
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GTIN:
0675889024302









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