SPL Grapevine Headamp 4
Brand: SPL
Model: Grapevine Headamp 4
Technical data[edit]
- Power supply: block transformer with 5 VA
- Frequency response: 10 Hz-200 kHz (-0.5 dB)
- THD+N Ratio: > 95
- Noise: > 90 dBu
Common mode rejection ratio (CMRR): > 80 dB
- Output impedance: 10 Ohm
- Fuse: 63 mAT
- Inputs:
- Balanced phone jacks
- Input level: +21.2 dBu (Input -12 dB)
- Input impedance: 10 kOhm
- Output impedance: 10.5 ohms
- Output voltage:
- 600 ohms/7.4 V eff
300 Ohm/7.1 V rms 150 Ohm/6.6 V rms 50 Ohm/5.3 V rms
- Can also be used as an active line level distributor Design features
- Internal power supply with IEC plug for safe mains connection
- Discrete Class A headphone output stages
- Potentiometers and switches by ALPS.
- Special features:
- Second pair of rear jacks for looping through another HeadAmp 4.
- Output modes: stereo, left only, right only and mono
Switchable input sensitivity Also suitable for use with low impedance headphones Handles high input levels, e.g. from other headphone outputs
- Weight: 1.85 kg
Remarks[edit]
Other models of the same series: